5-day weather forecast Fairfax Oct 1, 2026

20°13° · Overcast

Weather forecast Fairfax Thursday Oct 1, 2026: overcast, temperature from 13 °C to 20 °C.

Precipitation probability 75%. Wind up to 8 m/s (gusts 13.03 m/s). Air humidity 61–98%, atmospheric pressure 754–767 mm Hg, UV index up to 0.7.

Sunrise 07:18
Sunset 19:04
Last Quarter66% illuminated
Moonrise 21:46 · Moonset 12:50
Chart
Table

Forecast from 13 °C to 20 °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)201919191818181817181616161716171615151514131414
Precipitation (mm/hr)0.860.760.20.460.360.190.2200.0300.020.0100.010000000000

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 (%)10010010010010010010010010010010010010010010010010010010010010028175
Rain chance (%)757250635848483033262424221817151615151515654

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)2.112.894.114.395.195.615.393.893.614.1166.56.896.3987.616.896.55.815.695.115.1154.39
Wind gust (m/s)3.335.617.928.59.8311.7213.0310.9210.4211.1112.1112.3112.839.3312.3910.3311.8112.2211.6111.6111.511.8911.8312
Wind direction (°)NW 314°N 3°NE 35°NE 43°NNE 28°NNE 17°NNE 26°NNE 14°N 7°N 11°N 4°N 6°N 9°NNE 13°NNE 12°NNE 12°NNE 13°NNE 19°NNE 27°NNE 31°NNE 31°NNE 31°NE 35°NE 41°

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 (%)989897969595929091847878776767616562636162626264

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)754755755755756757758758759761761762763764763764764764764765766766767767

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 Index00000000000.20.30.50.70.60.40.20.20.100000

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)4.14.65.14.93.83.22.82.62.72.31.81.31.11.11.31.51.61.71.81.91.81.91.92
PM10 (µg/m³)4.555.95.84.53.83.33.13.12.621.41.21.21.31.51.71.81.91.91.91.922.1
Ozone (O₃) (µg/m³)555354555552484543424243454749525456585960616160
NO₂ (µg/m³)6.16.565.24.74.755.35.55.65.55.14.64.24.14.14.24.34.54.64.44.13.93.9
SO₂ (µg/m³)0.80.90.80.60.50.40.30.30.30.30.30.30.20.20.20.20.20.20.20.20.20.20.20.2
CO (µg/m³)133131128126125128132135134130127124122123129137143144142139134128124123

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.