5-day weather forecast Niagara Falls 20-08-2026

Weather forecast Niagara Falls Thursday, August 20 20.08.2026: patchy rain possible, temperature from 7 °C to 10 °C.

Precipitation probability 36%. Wind up to 11 m/s (gusts 12.39 m/s). Air humidity 60–88%, atmospheric pressure 764–776 mm Hg, UV index up to 6.8.

Sunrise 06:27
Sunset 20:11
First Quarter58% illuminated
Moonrise 15:40 · Moonset Does not set today
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Table

Forecast from 7 °C to 10 °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)1010101099888888888888888778
Precipitation (mm/hr)0.030.020.040.110.070.050.0500.010.010.030.030.020000000000.010

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 (%)819010091100100100758173838973618110010090992941480100
Rain chance (%)272730353631301718152118139121616145151641318

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)8.618.197.817.817.198.59.59.119.198.8110.510.8110.8910.3910.510.6110.8110.31111110.8910.1110.1910.39
Wind gust (m/s)12.39121110.198.229.3310.8110.510.119.4210.5310.8911.0310.6110.8311.1111.421111.7211.8111.510.7210.6110.92
Wind direction (°)W 278°W 276°W 264°WSW 244°SSW 201°S 178°SSE 166°SSE 166°SSE 164°SSE 162°SSE 157°SSE 156°SSE 159°SSE 159°SSE 158°SSE 160°SSE 159°SSE 160°SSE 158°SSE 154°SSE 159°SSE 161°SSE 162°SSE 158°

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 (%)888784868884827675727568646262626363646566606367

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)764764764765766766767768769770770771772773773773773774774774775774775776

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 Index00000000.10.51.534.766.86.65.53.92.210.30000

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.