5-day weather forecast Niagara Falls 31-07-2026
Weather forecast Niagara Falls Friday, July 31 31.07.2026: sunny, temperature from 19 °C to 27 °C.
Precipitation probability 13%. Wind up to 2.31 m/s (gusts 4.58 m/s). Air humidity 51–87%, atmospheric pressure 759–761 mm Hg, UV index up to 8.3.
Weather Alerts
Hide alertsyellow warning - rainfall - in effect
rainfall
Heavy rain is expected.
What:
Heavy rainfall with amounts of 50 to 100 mm
When:
Ending before dawn this morning.
Additional information:
Thunderstorms will continue to move through the area bringing heavy rainfall.
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Water will likely pool on roads and in low-lying areas.
For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources office. Visit https://www.ontario.ca/page/floods for the latest details.
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.
Avoid low-lying areas.
yellow warning - rainfall - in effect
rainfall
Heavy rain is expected.
What:
Heavy rainfall with amounts of 50 to 100 mm
When:
Ending early this morning.
Additional information:
Thunderstorms will continue to move through the area bringing heavy rainfall.
###
Water will likely pool on roads and in low-lying areas.
For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources office. Visit https://www.ontario.ca/page/floods for the latest details.
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.
Avoid low-lying areas.
squall warning in effect
squall
Squalls with wind gusts up to 35 knots and frequent lightning are expected or occurring in the area.
Thunderstorms will continue to move southeastward across the area tonight.
###
Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Vessels without lightning protection should make their way to shore immediately. Mariners are advised to prepare for squalls. If underway, seek safe harbour immediately. Consider delaying or postponing travel in areas under the squall warning.
squall watch in effect
squall
Thunderstorms will be capable of producing wind gusts up to 40 knots and small hail this evening.
###
Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
squall warning ended
squall
Squalls have weakened or moved out of the area.
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5 days at a glance — tap a day to open it
Sunrise 06:05
Sunset 20:39
Sunset 20:39
Waning Gibbous91% illuminated
Moonrise 21:46 · Moonset 08:15
Moonrise 21:46 · Moonset 08:15
Chart
TableForecast from 19 °C to 27 °C and precipitation
Cloud cover and precipitation probability
Wind speed and direction
Air humidity
Atmospheric pressure
Ultraviolet index
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.