5-day weather forecast Fairfax 23-08-2026

Weather forecast Fairfax tomorrow 23.08.2026: sunny, temperature from 20 °C to 29 °C.

Precipitation probability 77%. Wind up to 4.81 m/s (gusts 10.42 m/s). Air humidity 31–98%, atmospheric pressure 757–761 mm Hg, UV index up to 7.5.

Sunrise 06:30
Sunset 19:53
Waxing Gibbous86% illuminated
Moonrise 17:47 · Moonset 02:03
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Table

Forecast from 20 °C to 29 °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)222121212020202021212325272829292929282625242322
Precipitation (mm/hr)0.540001.22000.440000000000000000

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 (%)5810010010088100100850000004150411932429
Rain chance (%)564242427742426413942111111122235

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)1.692.111.611.611.611.391.691.812.313.54.814.54.113.693.393.693.53.113.193.392.193.392.391.81
Wind gust (m/s)3.425.615.314.724.812.54.396.429.8310.428.726.696.425.6166.4265.925.58.395.4210.426.334.53
Wind direction (°)S 179°S 175°S 191°SSW 205°SW 214°W 267°WNW 293°NW 319°NW 318°NW 315°NW 308°NW 307°NW 307°NW 305°WNW 303°WNW 300°NW 304°NW 306°NW 306°NW 312°NW 314°NW 321°NW 316°WNW 299°

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 (%)979897979898989690806255474034313334404753535759

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)758758758758757758758758759759759760760759759758760760760760761761761761

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 Index000000000.61.63.35.26.87.57.25.73.92.10.80.20000

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)9.810.411.513.819.719.518.718.817.212.16.34.74.44.74.85.355.15.87.711.213.913.411.5
PM10 (µg/m³)10.210.81214.420.520.119.319.217.512.26.44.74.44.74.95.45.15.25.87.811.213.913.411.5
Ozone (O₃) (µg/m³)5248433322161825386087106109105100999995857261524541
NO₂ (µg/m³)22.723.725.328.732.533.629.923.517.311.76.42.51.11.21.50.90.31.8714.119.722.924.624.2
SO₂ (µg/m³)1.92222.12.12.22.42.42.32.11.91.71.41.21.11.11.11.21.41.61.81.92
CO (µg/m³)275256241238238232211184162151146142138135133130127128134144153160167168

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.