5-day weather forecast Fairfax 22-08-2026

Weather forecast Fairfax Saturday, August 22 22.08.2026: sunny, temperature from 20 °C to 34 °C.

Precipitation probability 16%. Wind up to 4.5 m/s (gusts 9.31 m/s). Air humidity 21–81%, atmospheric pressure 759–763 mm Hg, UV index up to 8.2.

Sunrise 06:39
Sunset 20:09
Waxing Gibbous78% illuminated
Moonrise 17:25 · Moonset 01:16
Chart
Table

Forecast from 20 °C to 34 °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)242322212020202023232729313333343433323129272526
Precipitation (mm/hr)00.010000000000000000000000

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 (%)07300000551925609810010010010010010055875
Rain chance (%)716899910852914999999911104

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)3.613.693.112.391.691.611.190.891.111.812.311.691.612.112.893.313.614.114.53.692.813.613.893.31
Wind gust (m/s)5.616.114.52.51.831.721.220.921.222.332.812.222.032.813.396.316.617.117.56.392.925.839.315
Wind direction (°)NNE 14°NNE 24°NE 40°ENE 61°ENE 77°ENE 71°E 80°E 91°NE 51°ENE 60°ENE 70°ESE 114°ESE 109°NE 56°NE 36°NNE 31°NNE 26°NE 53°NE 53°NE 50°ESE 114°ESE 117°E 80°ESE 102°

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 (%)767678798180817866493729252221212223253340445260

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)761761762762762762762763763763763763763762762761761761761761761761761759

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 Index000000000.51.53.25.37.28.28.16.84.82.71.10.30000

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)4.14.75.66.37.35.854.64.144.85.566.36.66.86.76.45.84.843.43.13
PM10 (µg/m³)4.75.46.47.18.26.65.65.34.54.55.35.96.36.66.876.96.6654.13.53.23.1
Ozone (O₃) (µg/m³)55484648494745465466778693981001009895908477686259
NO₂ (µg/m³)12.114.116.218.118.7171410.98.15.231.71.10.70.50.50.71.11.62.33.24.14.85
SO₂ (µg/m³)0.70.70.80.90.90.90.80.70.70.80.80.80.70.60.60.50.50.50.40.40.40.40.40.4
CO (µg/m³)160146142142143145147146138127119116116117118120122124126128131135137135

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.