5-day weather forecast Fairfax Oct 21, 2026
Weather forecast Fairfax Wednesday Oct 21, 2026: sunny, temperature from 12 °C to 23 °C.
Precipitation probability 21%. Wind up to 4.81 m/s (gusts 10.33 m/s). Air humidity 43–74%, atmospheric pressure 765–767 mm Hg, UV index up to 4.4.
5 days at a glance — tap a day to open it
Sunrise 07:38
Sunset 18:33
Sunset 18:33
Waxing Gibbous86% illuminated
Moonrise 16:25 · Moonset 02:59
Moonrise 16:25 · Moonset 02:59
Chart
TableForecast from 12 °C to 23 °C and precipitation
Cloud cover and precipitation probability
Wind speed and direction
Air humidity
Atmospheric pressure
Ultraviolet index
Air quality & pollen
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.