5-day weather forecast Niagara Nov 18, 2026

11°3° · Partly cloudy

Weather forecast Niagara Wednesday Nov 18, 2026: partly cloudy, temperature from 3 °C to 11 °C.

Precipitation probability 16%. Wind up to 5.39 m/s (gusts 16.67 m/s). Air humidity 55–82%, atmospheric pressure 763–769 mm Hg, UV index up to 1.5.

Sunrise 06:56
Sunset 16:18
Waxing Gibbous73% illuminated
Moonrise 13:21 · Moonset 00:11
Chart
Table

Forecast from 3 °C to 11 °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)554443345679101111111010998888
Precipitation (mm/hr)000000000000000000000000

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 (%)737464564045414753848991949187838383834128424854
Rain chance (%)151515151315141413161513121211111212138791011

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)3.693.53.393.393.613.693.813.893.893.894.194.54.894.814.894.815.115.195.395.195.1154.814.69
Wind gust (m/s)10.179.429.039.259.699.8110.2510.7811.1111.1711.3611.891212.0811.8911.8911.8612.2812.2216.0316.0616.1116.6716.03
Wind direction (°)SSW 206°SSW 203°SSW 201°SSW 199°SSW 198°SSW 198°SSW 198°SSW 195°S 191°S 190°S 189°S 188°S 188°S 188°S 187°S 186°S 188°S 191°SSW 193°SSW 196°SSW 200°SSW 202°SSW 202°SSW 201°

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 (%)727376788081827975706560565556575961636566686970

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)769769769768768768768767767767767766765764764764764764763764764764763763

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 Index000000000.10.50.91.31.51.30.80.400000000

Air quality & pollen

Air quality is available for the first three days only.

Niagara 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.