5-day weather forecast Fairfax Oct 23, 2026

17°9° · Sunny

Weather forecast Fairfax tomorrow Oct 23, 2026: sunny, temperature from 9 °C to 17 °C.

Precipitation probability 13%. Wind up to 3.89 m/s (gusts 11.92 m/s). Air humidity 34–89%, atmospheric pressure 767–773 mm Hg, UV index up to 3.8.

Sunrise 07:26
Sunset 18:20
Full Moon97% illuminated
Moonrise 16:53 · Moonset 04:46
Chart
Table

Forecast from 9 °C to 17 °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)12121111101099910121315161617171513121111109
Precipitation (mm/hr)000000000000.01000000000000

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 (%)00000000100590014001013106
Rain chance (%)4466710910137410112111235336

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)3.393.893.693.893.813.53.53.113.113.113.113.192.812.692.392.692.812.392.392.1921.8121.69
Wind gust (m/s)11.9211.698.511.3110.617.789.728.696.676.425.036.863.643.365.253.143.224.895.54.924.083.194.393.44
Wind direction (°)NNW 348°N 352°N 356°N 356°N 355°N 357°N 0°N 2°N 1°NNE 16°NNE 33°NE 44°NE 41°NE 45°NE 41°ENE 59°ENE 70°ENE 71°ESE 104°ESE 103°E 88°ENE 72°E 82°E 83°

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 (%)616271707483808289726363453948343446495365555870

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)767767767767768768769770770770771771771771770770771771771772773773773773

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 Index0000000000.41.22.23.33.83.62.71.50.6000000

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)10.497.976.25.85.55.56.66.24.94.64.74.95.45.866.38.213.615.315.315.215.2
PM10 (µg/m³)10.79.187.16.25.85.55.56.76.354.74.855.666.26.58.413.715.515.715.715.7
Ozone (O₃) (µg/m³)283745515760585350525762667073767874583619131315
NO₂ (µg/m³)3526.419.114.210.68.79.712.513.912.29.16.75.85.65.85.14.78.319.73546.249.74946.8
SO₂ (µg/m³)2.42.42.42.32.22.12.12.12.22.32.32.42.42.52.52.52.62.733.43.63.63.63.4
CO (µg/m³)203204202194184179186198204197184174172175177172168183238313366375363359

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.