5-day weather forecast Niagara Falls 13-08-2026

Weather forecast Niagara Falls today 13.08.2026: sunny, temperature from 18 °C to 26 °C.

Precipitation probability 24%. Wind up to 3.11 m/s (gusts 5.33 m/s). Air humidity 46–94%, atmospheric pressure 757–762 mm Hg, UV index up to 5.9.

Weather Alerts

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ModerateAug 12, 12:03 PMAug 13, 01:02 AMTranslate with Google
yellow watch - severe thunderstorm - in effect

thunderstorm

Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts, large hail and heavy rain. What: Wind gusts near 100 km/h. Toonie sized hail. Heavy rain in excess of 40 mm. When: This afternoon into this evening. Additional Information: The highest rainfall amounts are expected for areas that receive multiple thunderstorms. ### Local utility outages are possible. Fast-moving and rapidly rising water can sweep vehicles away and damage infrastructure. Severe thunderstorm watches are issued when conditions are favourable for the development of thunderstorms capable of producing damaging hail, wind or rain. 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 social media using #ONStorm. For more information: https://www.ontario.ca/page/be-prepared-emergency.
When thunder roars, go indoors! Lightning kills and injures Canadians every year. Secure loose objects. Emergency Management Ontario recommends that you take cover immediately if threatening weather approaches.
SevereAug 12, 12:08 PMAug 13, 02:00 AMTranslate with Google
squall watch in effect

squall

Conditions are favourable for the development of squalls with wind gusts up to 45 knots, frequent lightning and hail. Thunderstorms are expected to track east over the lakes this afternoon and evening. ### Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.
Sunrise 06:19
Sunset 20:22
New Moon2% illuminated
Moonrise 07:01 · Moonset 20:49
Chart
Table
Thu, Aug 13, 2026
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Clear
19 °C14% 0%92%757 mm HgWSW 246° 2 (3.97) m/s0
01:00Weather
Clear
19 °C14% 2%91%757 mm HgWNW 285° 2.69 (5.33) m/s0
02:00Weather
Clear
18 °C14% 5%91%757 mm HgWNW 302° 2.69 (5.11) m/s0
03:00Weather
Clear
18 °C16% 19%92%757 mm HgNW 316° 2.5 (4.67) m/s0
04:00Weather
Cloudy
18 °C24% 69%92%758 mm HgNW 325° 2.39 (4.5) m/s0
05:00Weather
Partly cloudy
18 °C22% 57%93%758 mm HgNW 320° 2.19 (4.17) m/s0
06:00Weather
Clear
18 °C15% 8%92%758 mm HgNW 304° 2.31 (4.42) m/s0
07:00Weather
Sunny
18 °C15% 9%93%759 mm HgNW 308° 2.31 (4.25) m/s0.1
08:00Weather
Sunny
20 °C15% 1%94%759 mm HgWNW 287° 2 (3.19) m/s0.5
09:00Weather
Sunny
21 °C13% 0%89%760 mm HgWNW 296° 2.31 (3.19) m/s1.5
10:00Weather
Sunny
22 °C8% 3%78%760 mm HgWNW 299° 2.61 (3.28) m/s2.9
11:00Weather
Sunny
24 °C7% 0%74%760 mm HgWNW 302° 2.69 (3.19) m/s4.1
12:00Weather
Sunny
24 °C4% 0%64%761 mm HgNW 306° 2.89 (3.33) m/s5.7
13:00Weather
Sunny
24 °C2% 7%52%760 mm HgNW 312° 2.81 (3.22) m/s5.7
14:00Weather
Sunny
25 °C2% 9%49%761 mm HgWNW 301° 2.89 (3.36) m/s5.9
15:00Weather
Sunny
26 °C2% 17%47%761 mm HgWNW 300° 2.61 (3.19) m/s5.8
16:00Weather
Partly cloudy
26 °C3% 27%46%760 mm HgWNW 294° 2.61 (3.33) m/s4
17:00Weather
Partly cloudy
26 °C3% 27%47%760 mm HgWNW 282° 3.11 (4.33) m/s2.2
18:00Weather
Sunny
25 °C3% 23%51%761 mm HgWNW 284° 2.81 (4.36) m/s0.9
19:00Weather
Partly cloudy
24 °C4% 26%58%761 mm HgNW 306° 1.61 (2.69) m/s0.1
20:00Weather
Sunny
23 °C5% 21%62%761 mm HgNW 312° 1.61 (2.86) m/s0
21:00Weather
Clear
22 °C5% 9%65%761 mm HgNW 322° 2 (3.92) m/s0
22:00Weather
Clear
21 °C5% 7%66%762 mm HgNNW 343° 1.89 (3.89) m/s0
23:00Weather
Clear
21 °C5% 7%66%762 mm HgNNW 336° 2 (4.08) m/s0
Thu, Aug 13, 2026

Frequently asked questions about the 5-day weather in Niagara Falls

Over the next 5 days in Niagara Falls the temperature is expected to range from about 15 to 26 °C. See the detailed hourly forecast for each of the 5 days in the charts above.

The chance of rain in Niagara Falls over the next 5 days reaches 78%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.

A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.

Over the next 5 days the temperature in Niagara Falls ranges from about 15 to 26 °C. Compare the warmest and coolest day on the temperature chart above.

Over the next 5 days the wind in Niagara Falls picks up to 5 m/s. The windiest days are easy to spot on the wind chart above.

For a walk or a trip, pick the days with the lowest chance of rain (up to 78%) and light wind — easy to compare on the 5-day charts above.

The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.

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.