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

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ModerateJul 21, 12:01 PMJul 21, 11:59 PMTranslate 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. 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.
ModerateJul 21, 09:56 AMJul 22, 12:02 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. 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.
ModerateJul 21, 12:01 PMJul 21, 11:59 PMTranslate 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. ### 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.
MinorJul 21, 09:41 AMJul 21, 08:00 PMTranslate with Google
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
Waxing Gibbous90% illuminated
Moonrise 18:44 · Moonset 02:09
Chart
Table
Sat, Jul 25, 2026
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Clear
19 °C9% 10%77%764 mm HgSE 143° 2.39 (5.03) m/s0
01:00Weather
Clear
19 °C9% 13%77%764 mm HgS 184° 3 (6.31) m/s0
02:00Weather
Clear
19 °C8% 11%75%764 mm HgS 191° 3.39 (7.11) m/s0
03:00Weather
Clear
19 °C8% 11%74%764 mm HgSSW 197° 2.81 (5.78) m/s0
04:00Weather
Clear
19 °C7% 10%73%764 mm HgS 190° 2.39 (5.03) m/s0
05:00Weather
Clear
18 °C6% 9%70%764 mm HgS 178° 2.39 (5.03) m/s0
06:00Weather
Clear
18 °C6% 9%68%764 mm HgS 170° 2.5 (5.22) m/s0
07:00Weather
Sunny
19 °C4% 9%64%764 mm HgSSE 168° 2.81 (5.25) m/s0.2
08:00Weather
Sunny
21 °C4% 10%59%764 mm HgS 174° 3.5 (5.39) m/s0.9
09:00Weather
Sunny
23 °C3% 11%52%764 mm HgS 188° 4.19 (5.5) m/s6
10:00Weather
Sunny
24 °C2% 12%48%763 mm HgS 191° 4.5 (5.58) m/s6
11:00Weather
Sunny
26 °C2% 12%44%763 mm HgSSW 196° 4.69 (5.47) m/s7
12:00Weather
Sunny
26 °C2% 12%43%763 mm HgSSW 197° 4.89 (5.64) m/s7
13:00Weather
Sunny
27 °C1% 12%42%762 mm HgSSW 203° 4.89 (5.64) m/s7
14:00Weather
Sunny
27 °C1% 13%41%762 mm HgSSW 205° 4.81 (5.53) m/s7
15:00Weather
Sunny
28 °C2% 19%41%761 mm HgSSW 207° 4.19 (4.83) m/s7
16:00Weather
Sunny
28 °C2% 19%40%761 mm HgSSW 207° 3.81 (4.58) m/s7
17:00Weather
Sunny
28 °C1% 14%40%761 mm HgSSW 213° 3.61 (4.67) m/s7
18:00Weather
Sunny
27 °C2% 15%43%761 mm HgSW 220° 3.39 (4.78) m/s7
19:00Weather
Sunny
26 °C2% 11%49%760 mm HgSW 224° 2.5 (3.81) m/s7
20:00Weather
Sunny
24 °C3% 11%57%760 mm HgSSW 204° 1.39 (2.58) m/s6
21:00Weather
Clear
23 °C4% 12%61%760 mm HgS 191° 1.81 (3.69) m/s0
22:00Weather
Partly cloudy
22 °C6% 27%64%760 mm HgSSW 206° 2.11 (4.39) m/s0
23:00Weather
Clear
22 °C6% 25%67%760 mm HgSSW 194° 2.5 (5.06) m/s0
Sat, Jul 25, 2026

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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.