5-day weather forecast Niagara Falls 14-07-2026

Weather forecast Niagara Falls today 14.07.2026: sunny, temperature from 21 °C to 37 °C.

Precipitation probability 10%. Wind up to 7.5 m/s (gusts 10.69 m/s). Air humidity 44–84%, atmospheric pressure 761–764 mm Hg, UV index up to 9.3.

Weather Alerts

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ModerateJul 13, 01:12 PMJul 14, 03:00 AMTranslate with Google
Heat Advisory issued July 13 at 1:12PM EDT until July 14 at 8:00PM EDT by NWS Buffalo NY

Heat Advisory

* WHAT...Heat index values as high as 105 expected. * WHERE...Niagara, Orleans, Monroe, Wayne, Northern Cayuga, Oswego, Livingston, and Ontario Counties. * WHEN...From 11 AM to 8 PM EDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat related illnesses to occur.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. This is especially true during hot weather when car interiors can reach lethal temperatures in a matter of minutes. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
ModerateJul 13, 05:22 AMJul 13, 09:22 PMTranslate with Google
yellow warning - heat - in effect

heat

A heat event begins today. What: Maximum temperatures of 30 to 37 degrees Celsius. Minimum temperatures of 20 to 24 degrees Celsius. Humidex values of 38 to 45. When: Beginning today and ending either Wednesday evening or Thursday evening. Additional information: Tuesday will mark the peak of this heat event. Maximum temperatures on Tuesday near 37 degrees Celsius are expected for some areas over southwestern Ontario, around the Greater Golden Horseshoe and eastern Ontario. Hot and humid air can also bring deteriorating air quality and can result in the Air Quality Health Index approaching the high-risk category. ### For more information: https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/how-protect-yourself.html https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/who-is-at-risk.html Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
Take action to protect yourself and others – extreme heat can affect everyone’s health. Determine if you or others around you are at greater risk of heat illness. Check on older adults, those living alone and other at-risk people in-person or on the phone multiple times a day. Watch for the early signs of heat exhaustion in yourself and others. Signs may include headache, nausea, dizziness, thirst, dark urine and intense fatigue. Stop your activity and drink water. Heat stroke is a medical emergency! Call 9-1-1 or your emergency health provider if you, or someone around you, is showing signs of heat stroke which can include red and hot skin, dizziness, nausea, confusion and change in consciousness. While you wait for medical attention, try to cool the person by moving them to a cool place, removing extra clothing, applying cold water or ice packs around the body. Drink water often and before you feel thirsty to replace fluids. Close blinds, or shades and open windows if outside is cooler than inside. Turn on air conditioning, use a fan, or move to a cooler area of your living space. If your living space is hot, move to a cool public space such as a cooling centre, community centre, library or shaded park. Follow the advice of your region’s public health authority. Plan and schedule outdoor activities during the coolest parts of the day. Limit direct exposure to the sun and heat. Wear lightweight, light-coloured, loose-fitting clothing and a wide-brimmed hat. Never leave people, especially children, or pets inside a parked vehicle. Check the vehicle before locking to make sure no one is left behind. When there is an extreme heat event occurring with wildfire smoke, https://www.canada.ca/en/health-canada/services/publications/healthy-living/combine-wildfire-smoke-heat.html.
ModerateJul 13, 12:23 PMJul 14, 04:23 AMTranslate with Google
yellow warning - heat - in effect

heat

A heat event continues. What: Maximum temperatures of 30 to 37 degrees Celsius. Minimum temperatures of 20 to 24 degrees Celsius. Humidex values of 38 to 45. When: Ending either Wednesday evening or Thursday evening. Additional information: Tuesday will mark the peak of this heat event. Maximum temperatures on Tuesday near 37 degrees Celsius are expected for some areas over southwestern Ontario, around the Greater Golden Horseshoe and eastern Ontario. Hot and humid air can also bring deteriorating air quality and can result in the Air Quality Health Index approaching the high-risk category. ### For more information: https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/how-protect-yourself.html https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/who-is-at-risk.html Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
Take action to protect yourself and others – extreme heat can affect everyone’s health. Determine if you or others around you are at greater risk of heat illness. Check on older adults, those living alone and other at-risk people in-person or on the phone multiple times a day. Watch for the early signs of heat exhaustion in yourself and others. Signs may include headache, nausea, dizziness, thirst, dark urine and intense fatigue. Stop your activity and drink water. Heat stroke is a medical emergency! Call 9-1-1 or your emergency health provider if you, or someone around you, is showing signs of heat stroke which can include red and hot skin, dizziness, nausea, confusion and change in consciousness. While you wait for medical attention, try to cool the person by moving them to a cool place, removing extra clothing, applying cold water or ice packs around the body. Drink water often and before you feel thirsty to replace fluids. Close blinds, or shades and open windows if outside is cooler than inside. Turn on air conditioning, use a fan, or move to a cooler area of your living space. If your living space is hot, move to a cool public space such as a cooling centre, community centre, library or shaded park. Follow the advice of your region’s public health authority. Plan and schedule outdoor activities during the coolest parts of the day. Limit direct exposure to the sun and heat. Wear lightweight, light-coloured, loose-fitting clothing and a wide-brimmed hat. Never leave people, especially children, or pets inside a parked vehicle. Check the vehicle before locking to make sure no one is left behind. When there is an extreme heat event occurring with wildfire smoke, https://www.canada.ca/en/health-canada/services/publications/healthy-living/combine-wildfire-smoke-heat.html.
ModerateJul 13, 06:40 PMJul 14, 10:40 AMTranslate with Google
yellow warning - heat - in effect

heat

A heat event continues. What: Maximum temperatures of 30 to 37 degrees Celsius. Minimum temperatures of 20 to 24 degrees Celsius. Humidex values of 38 to 45. When: Ending either Wednesday evening or Thursday evening. Additional information: Tuesday will mark the peak of this heat event. Maximum temperatures on Tuesday near 37 degrees Celsius are expected for some areas over southwestern Ontario, around the Greater Golden Horseshoe and eastern Ontario. Hot and humid air can also bring deteriorating air quality and can result in the Air Quality Health Index approaching the high-risk category. ### For more information: https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/how-protect-yourself.html https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/who-is-at-risk.html Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
Take action to protect yourself and others – extreme heat can affect everyone’s health. Determine if you or others around you are at greater risk of heat illness. Check on older adults, those living alone and other at-risk people in-person or on the phone multiple times a day. Watch for the early signs of heat exhaustion in yourself and others. Signs may include headache, nausea, dizziness, thirst, dark urine and intense fatigue. Stop your activity and drink water. Heat stroke is a medical emergency! Call 9-1-1 or your emergency health provider if you, or someone around you, is showing signs of heat stroke which can include red and hot skin, dizziness, nausea, confusion and change in consciousness. While you wait for medical attention, try to cool the person by moving them to a cool place, removing extra clothing, applying cold water or ice packs around the body. Drink water often and before you feel thirsty to replace fluids. Close blinds, or shades and open windows if outside is cooler than inside. Turn on air conditioning, use a fan, or move to a cooler area of your living space. If your living space is hot, move to a cool public space such as a cooling centre, community centre, library or shaded park. Follow the advice of your region’s public health authority. Plan and schedule outdoor activities during the coolest parts of the day. Limit direct exposure to the sun and heat. Wear lightweight, light-coloured, loose-fitting clothing and a wide-brimmed hat. Never leave people, especially children, or pets inside a parked vehicle. Check the vehicle before locking to make sure no one is left behind. When there is an extreme heat event occurring with wildfire smoke, https://www.canada.ca/en/health-canada/services/publications/healthy-living/combine-wildfire-smoke-heat.html.
Sunrise 05:49
Sunset 20:54
New Moon1% illuminated
Moonrise 05:20 · Moonset 21:21
Chart
Table
Tue, Jul 14, 2026

Forecast from 21 °C to 37 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)232322212121212224272934363731313131313028262525
Precipitation (mm/hr)000000000000000000000000

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)000000000000005121514400000
Rain chance (%)67810109101086432123332357910

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)4.615.114.814.694.54.895.395.896.3977.317.197.197.57.576.616.56.565.55.194.895.19
Wind gust (m/s)9.259.678.838.538.369.179.449.569.199.289.339.069.229.8110.3910.2210.1110.2210.6910.4710.510.611010.39
Wind direction (°)SW 222°SW 227°SW 227°SW 232°SW 227°SW 227°SW 225°SW 225°SW 230°SW 234°WSW 237°WSW 240°WSW 243°WSW 242°WSW 244°WSW 248°WSW 254°W 259°W 260°WSW 254°WSW 243°SW 233°SW 229°SW 233°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)726976818181848477716458504453535454545968768182

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)764764764764764764764764764764763763762762761761761761761761761761761761

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index00000000.31.12.54.46.68.39.29.37.95.83.61.80.70.2000

Air quality & pollen

Air quality
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
PM2.5 (µg/m³)3.43.43.12.82.62.52.83.44.566.86.97.17.27.27.27.58.18.89.59.89.79.38.8
PM10 (µg/m³)3.53.43.22.92.62.62.83.54.76.16.97.17.27.37.37.47.78.39.19.7109.99.59
Ozone (O₃) (µg/m³)989797979999979394101112123135147156161162161156148140133127119
NO₂ (µg/m³)11.110.39.58.67.67.27.88.99.48.87.76.55.34.23.43.23.54.25.889.59.79.49.3
SO₂ (µg/m³)2.92.82.72.62.42.52.93.6443.93.63.22.72.42.32.42.52.62.62.72.82.92.9
CO (µg/m³)148143138133128126128134141152164172172169165161158158166177185183177175
Tue, Jul 14, 2026

Frequently asked questions about the weather in Niagara Falls

Today in Niagara Falls the temperature ranges from 21 °C to 37 °C, wind up to 7.5 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Niagara Falls today is 10%. View the full multi-day forecast above to see the rain chances for each upcoming day.

The wind speed in Niagara Falls today reaches up to 7.5 m/s with gusts up to 10.69 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Niagara Falls today ranges from 44% to 84%. View the humidity chart above for hourly details.

The UV index in Niagara Falls today reaches up to 9.3. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Niagara Falls today ranges from 761 to 764 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Niagara Falls today reaches up to 15%. Check the cloud cover chart above for hourly details throughout the day.

Niagara Falls on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.