5-day weather forecast Fairfax Sep 15, 2026

25°15° · Overcast

Weather forecast Fairfax Tuesday Sep 15, 2026: overcast, temperature from 15 °C to 25 °C.

Precipitation probability 19%. Wind up to 2.89 m/s (gusts 6.81 m/s). Air humidity 38–72%, atmospheric pressure 769–771 mm Hg, UV index up to 6.

Sunrise 06:50
Sunset 19:18
Waxing Crescent23% illuminated
Moonrise 11:55 · Moonset 21:30
Chart
Table

Forecast from 15 °C to 25 °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)181717161615151515171921222324252524232220191918
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 (%)12531007192391007292512744655151001006821921009899
Rain chance (%)371510147161114327411110107514151619

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)2.111.51.51.891.891.691.611.811.111.611.391.611.692.192.692.892.812.52.191.691.692.112.112.19
Wind gust (m/s)5.312.031.924.333.612.722.033.52.313.142.612.52.222.613.0636.812.53.812.422.313.54.535.53
Wind direction (°)NNE 25°NNE 26°NNE 26°NNE 25°NNE 25°NNE 16°N 6°NE 37°NNE 13°NE 53°E 85°ESE 105°SE 128°ESE 118°ESE 113°ESE 113°ESE 119°ESE 122°SE 132°SE 140°SSE 149°SE 128°ESE 122°SE 134°

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 (%)535860616263646463555047444139383841516062636672

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)769769769769769770770770771771771771771770770770769769769770770770770770

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 Index000000000.1555666655560000

Air quality & pollen

Air quality is available for the first three days only.

Fairfax 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.