5-day weather forecast Fairfax Nov 12, 2026

18°9° · Patchy rain possible

Weather forecast Fairfax tomorrow Nov 12, 2026: patchy rain possible, temperature from 9 °C to 18 °C.

Precipitation probability 45%. Wind up to 4.81 m/s (gusts 9.86 m/s). Air humidity 55–93%, atmospheric pressure 747–754 mm Hg, UV index up to 1.2.

5 days at a glance — tap a day to open it
Sunrise 06:48
Sunset 16:58
Waxing Crescent14% illuminated
Moonrise 10:28 · Moonset 19:29
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Forecast from 9 °C to 18 °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)11111111101010101112131517181715141311111110109
Precipitation (mm/hr)000000.010.060.050.040.030.020.020.040.260.120.210.40.190.0800000

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 (%)8243556273859666528289827262647465675635435351
Rain chance (%)131419222326323425182117142317274530241310111212

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)2.612.52.52.392.191.891.891.390.891.611.812.192.6933.113.393.814.314.614.114.314.54.814.5
Wind gust (m/s)6.646.195.975.724.785.066.115.583.364.0655.756.587.147.147.728.118.589.119.179.429.589.869.78
Wind direction (°)SSE 156°SSE 155°SSE 155°SSE 161°SSE 163°S 187°SW 228°W 265°S 187°SW 215°SW 219°WSW 237°WSW 257°W 262°W 270°WNW 284°WNW 296°WNW 301°NW 306°NW 309°NW 312°NW 309°NW 312°NW 316°

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 (%)899292939291909089847969615563748482797473737374

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)754754753752752751751751750750749749748747747747748748749749749750750750

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 Index000000000.10.51.111.20.50.80.60.20000000

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)8.18.58.89.19.710.91317.821.420.318.514.710.17.55.955.15.65.24.33.83.42.61.8
PM10 (µg/m³)9.49.910.310.511.212.414.418.822.220.818.814.810.17.565.15.15.75.34.33.93.42.61.8
Ozone (O₃) (µg/m³)484948464231181218304459768789868175686155504746
NO₂ (µg/m³)15.713.512.21214.522.93440.43830.924.118.713.59.88.38.39.11113.615.114.512.710.99.2
SO₂ (µg/m³)22222.12.52.93.33.53.63.63.32.82.42.11.81.722.42.72.62.31.91.5
CO (µg/m³)183179174171174189211232256280285257210176169174179180182185193204206194

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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.