5-day weather forecast Niagara Falls 04-07-2026

Weather forecast Niagara Falls Saturday, July 4 04.07.2026: patchy rain possible, temperature from 21 °C to 29 °C.

Precipitation probability 61%. Wind up to 6.31 m/s (gusts 9.53 m/s). Air humidity 66–96%, atmospheric pressure 758–761 mm Hg, UV index up to 7.

Weather Alerts

Hide alerts
ModerateJun 30, 04:54 AMJun 30, 05:00 PMTranslate with Google
Heat Advisory issued June 30 at 12:54AM EDT until June 30 at 8:00PM EDT by NWS Buffalo NY

Heat Advisory

* WHAT...For the Heat Advisory, heat index values in the upper 90s expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values as high as 105 possible. * WHERE...Niagara, Orleans, Monroe, Wayne, Northern Cayuga, Oswego, Northern Erie, Genesee, Livingston, and Ontario Counties. * WHEN...For the Heat Advisory, from noon today to 8 PM EDT this evening. For the Extreme Heat Watch, from Wednesday afternoon through Friday evening. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. 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.
SevereJun 30, 04:54 AMJun 30, 05:00 PMTranslate with Google
Extreme Heat Watch issued June 30 at 12:54AM EDT until July 3 at 8:00PM EDT by NWS Buffalo NY

Extreme Heat Watch

* WHAT...For the Heat Advisory, heat index values in the upper 90s expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values as high as 105 possible. * WHERE...Niagara, Orleans, Monroe, Wayne, Northern Cayuga, Oswego, Northern Erie, Genesee, Livingston, and Ontario Counties. * WHEN...For the Heat Advisory, from noon today to 8 PM EDT this evening. For the Extreme Heat Watch, from Wednesday afternoon through Friday evening. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. 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.
Sunrise 05:42
Sunset 20:58
Waning Gibbous70% illuminated
Moonrise 23:40 · Moonset 10:22
Chart
Table
Sat, Jul 4, 2026

Forecast from 21 °C to 29 °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)232221212121212223242528262729292929282624242322
Precipitation (mm/hr)0.612.2602.420.500.11000.220.530000.90.60.30.030.40.91.2810.70.41

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 (%)7356883757891314788510112082807876808589858278
Rain chance (%)617412825914411614395367752433613386172716556

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)4.394.393.53.813.53.194.312.893.893.894.114.394.314.695.695.896.116.315.6154.313.813.312.81
Wind gust (m/s)9.089.287.366.785.976.727.535.336.285.585.55.675.586.117.868.3999.539.319.198.977.896.895.89
Wind direction (°)SSW 204°SW 225°SW 223°SSW 211°SSW 203°SW 225°SW 223°SW 227°SSW 213°W 260°W 259°SW 225°SSW 206°SW 220°SW 231°SW 230°SW 228°SW 227°SW 229°SW 231°SW 233°SW 225°SW 216°SSW 208°

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 (%)959586969690959389888371747171696766738189919496

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)761760761760760761759759761759759761758758760759759759758758758758758759

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 Index00000000.41.1567776666665000
Sat, Jul 4, 2026

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.