5-day weather forecast Fairfax 22-08-2026

Weather forecast Fairfax today 22.08.2026: overcast, temperature from 19 °C to 27 °C.

Precipitation probability 62%. Wind up to 2.61 m/s (gusts 6.31 m/s). Air humidity 72–96%, atmospheric pressure 759–763 mm Hg, UV index up to 3.

Sunrise 06:29
Sunset 19:54
Waxing Gibbous78% illuminated
Moonrise 17:04 · Moonset 01:07
Chart
Table
Sat, Aug 22, 2026

Forecast from 19 °C to 27 °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)201919191920202020212222232426272726252423222222
Precipitation (mm/hr)000000000000000000000000.3

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 (%)1001001001001001001001001001006110089574635242320562966100100
Rain chance (%)23242426303224323328192724151298891715223562

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)1.811.191.111.3110.810.51.110.810.891.311.692.192.392.31222.112.112.611.891.811.611.81
Wind gust (m/s)3.7222.332.831.330.830.51.221.421.752.612.832.55.396.312.032.112.222.614.393.253.812.112.92
Wind direction (°)SE 143°SSE 150°S 174°S 183°S 175°SSW 212°SSE 156°S 175°SE 136°ESE 118°ESE 117°ESE 117°SE 124°SE 132°SE 126°ESE 121°SE 136°SSE 147°SE 138°ESE 114°ESE 106°SE 125°SE 130°SSW 192°

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 (%)798181849194809496878685848077727373768488909193

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)763763762762762762762762763763763763762761761761760760760759759759759759

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 Index000000000.20.30.60.911.72.832.21.70.70.20000

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)23.422.320.118.216.915.816.417.112.216.313.29.86.96.88.276.46.25.85.67.48.48.18.6
PM10 (µg/m³)23.622.520.318.417.11616.617.312.316.513.410.17.278.47.46.96.86.56.27.98.88.69.1
Ozone (O₃) (µg/m³)48495051515042323254871091099892981091131059179706357
NO₂ (µg/m³)35.331.728.325.322.420.822.325.225.420.112.26.55.77.186.64.54.16.710.814.617.219.421.3
SO₂ (µg/m³)2.62.52.32.11.91.71.61.61.51.41.41.31.21.111111.11.21.31.51.61.8
CO (µg/m³)189194198191183178180185191198205207198182171165163168185211234255275284
Sat, Aug 22, 2026

Frequently asked questions about the 5-day weather in Fairfax

What will the weather be like in Fairfax over the next 5 days?

Over the next 5 days in Fairfax the temperature is expected to range from about 19 to 31 °C. See the detailed hourly forecast for each of the 5 days in the charts above.

On which of the next 5 days will it rain in Fairfax?

The chance of rain in Fairfax over the next 5 days reaches 77%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.

How accurate is the 5-day weather forecast for Fairfax?

A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.

Which of the next 5 days in Fairfax will be the warmest and which the coolest?

Over the next 5 days the temperature in Fairfax ranges from about 19 to 31 °C. Compare the warmest and coolest day on the temperature chart above.

Will it be windy in Fairfax over the next 5 days?

Over the next 5 days the wind in Fairfax picks up to 5 m/s. The windiest days are easy to spot on the wind chart above.

Which day of the week in Fairfax is best for a walk or a trip?

For a walk or a trip, pick the days with the lowest chance of rain (up to 77%) and light wind — easy to compare on the 5-day charts above.

How can I best use the 5-day forecast for Fairfax?

The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.

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.