5-day weather forecast Niagara Falls 25-07-2026
Weather forecast Niagara Falls Saturday, July 25 25.07.2026: sunny, temperature from 18 °C to 28 °C.
Precipitation probability 9%. Wind up to 4.89 m/s (gusts 7.11 m/s). Air humidity 40–77%, atmospheric pressure 760–764 mm Hg, UV index up to 7.
Weather Alerts
Hide alertsyellow 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.
Hazards:
Torrential downpours. Local rainfall amounts in excess of 50 mm.
Wind gusts of 90 to 110 km/h.
Quarter to ping pong ball size hail.
Timing:
Late this morning through early this evening.
Additional information:
The main hazards will be heavy rainfall and damaging wind gusts. Local rainfall amounts in excess of 50 mm may occur for areas that receive multiple thunderstorms. The greatest likelihood for damaging wind gusts is expected to be over southwestern Ontario. A few instances of large hail are possible.
###
Local utility outages are possible. Damage to roofs, fences, branches or soft shelters is possible.
Heavy rain can cause flash flooding and significant reductions to visibility.
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.
For more information: https://www.ontario.ca/page/be-prepared-emergency.
When thunder roars, go indoors! Lightning kills and injures Canadians every year.
Emergency Management Ontario recommends that you take cover immediately if threatening weather approaches.
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.
Hazards:
Torrential downpours. Local rainfall amounts in excess of 50 mm.
Wind gusts of 90 to 110 km/h.
Quarter to ping pong ball size hail.
Timing:
Late this morning through early this evening.
Additional information:
The main hazards will be heavy rainfall and damaging wind gusts. Local rainfall amounts in excess of 50 mm may occur for areas that receive multiple thunderstorms. The greatest likelihood for damaging wind gusts is expected to be over southwestern Ontario. A few instances of large hail are possible.
###
Local utility outages are possible. Damage to roofs, fences, branches or soft shelters is possible.
Heavy rain can cause flash flooding and significant reductions to visibility.
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.
For more information: https://www.ontario.ca/page/be-prepared-emergency.
When thunder roars, go indoors! Lightning kills and injures Canadians every year.
Emergency Management Ontario recommends that you take cover immediately if threatening weather approaches.
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.
###
Local utility outages are possible. Damage to roofs, fences, branches or soft shelters is possible.
Heavy rain can cause flash flooding and significant reductions to visibility.
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.
For more information: https://www.ontario.ca/page/be-prepared-emergency.
When thunder roars, go indoors! Lightning kills and injures Canadians every year.
Emergency Management Ontario recommends that you take cover immediately if threatening weather approaches.
Small Craft Advisory issued July 21 at 9:41AM EDT until July 21 at 9:00PM EDT by NWS Buffalo NY
Small Craft Advisory
* WHAT...Southwest winds 15 to 20 knots expected.
* WHERE...The Upper Niagara River and Buffalo Harbor.
* WHEN...Until 9 PM EDT Tuesday.
* IMPACTS...Winds and/or waves will cause hazardous conditions
that could capsize or damage small craft.
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
Sunrise 05:59
Sunset 20:45
Sunset 20:45
Waxing Gibbous90% illuminated
Moonrise 18:44 · Moonset 02:09
Moonrise 18:44 · Moonset 02:09
Chart
TableSat, Jul 25, 2026
Forecast from 18 °C to 28 °C and precipitation
Cloud cover and precipitation probability
Wind speed and direction
Air humidity
Atmospheric pressure
Ultraviolet index
Sat, Jul 25, 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.