5-day weather forecast Niagara Sep 7, 2026

27°15° · Overcast

Weather forecast Niagara Monday Sep 7, 2026: overcast, temperature from 15 °C to 27 °C.

Precipitation probability 30%. Wind up to 3.81 m/s (gusts 9.31 m/s). Air humidity 32–91%, atmospheric pressure 764–767 mm Hg, UV index up to 6.4.

Sunrise 06:20
Sunset 19:19
Waning Crescent12% illuminated
Moonrise 01:12 · Moonset 17:32
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Table

Forecast from 15 °C to 27 °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)171716161515151617192123252626272726242120191817
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 (%)1001001006894100919885228789441271910010010010010097100100
Rain chance (%)202122162223212367379321910111420232530

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)1.190.50.611.111.390.611.391.190.891.51.8122.392.392.392.692.692.393.393.812.612.111.51.81
Wind gust (m/s)1.220.610.611.111.420.721.441.221.722.6132.392.612.612.613.113.423.2279.319.228.111.619.25
Wind direction (°)WSW 255°WSW 245°S 180°S 171°SSW 204°SSW 213°SW 228°SW 218°SW 218°SW 225°SW 228°SSW 193°S 186°S 177°S 171°S 171°S 169°SSE 157°SSE 148°SE 138°SE 135°SE 139°S 175°SSE 168°

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 (%)747576788080797969585043393634323238486075818391

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)766766766766766767767767767767767767766765765765764764765765765766766766

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 Index000000000.61.63.14.766.45.74.42.71.10.400000

Air quality & pollen

Air quality
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
PM2.5 (µg/m³)4.44.64.74.85.25.666.45.54.84.74.23.83.63.63.53.53.63.83.83.73.42.82.3
PM10 (µg/m³)4.64.84.955.45.86.26.55.64.94.84.33.93.73.63.63.63.73.93.93.83.42.82.3
Ozone (O₃) (µg/m³)636261616058555561697783899497989999999896949290
NO₂ (µg/m³)3.33.63.94.14.34.75.25.14.12.61.40.90.60.50.40.50.60.811.21.41.71.92
SO₂ (µg/m³)0.30.30.30.30.30.30.40.40.40.50.50.50.60.60.60.50.50.60.70.80.90.90.90.9
CO (µg/m³)149154156156158164170171161145133128126125124124125129135139141141141142

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.