Fairfax, VA Weather

    10:00 Tuesday
    Scattered clouds
    Scattered clouds
    20° Feels like 20°
    Moderate east wind East 7 - 20 km/h
    reloj Hourly Cloudy intervals for the next few hours
    • Today 15 Sept. Clear 26° / 14° Moderate south wind 10 - 21 km/h
    • Tomorrow 16 Sept. Clear 31° / 16° Moderate south wind 11 - 25 km/h
    • Thursday 17 Sept. Thunderstorm with partly cloudy skies 60% 3.2 mm 35° / 20° Moderate northwest wind 11 - 32 km/h
    • Friday 18 Sept. Light rain with partly cloudy skies 50% 1.5 mm 29° / 21° Moderate north wind 16 - 36 km/h
    • Saturday 19 Sept. Partly cloudy 27° / 16° Moderate southeast wind 14 - 32 km/h
    • Sunday 20 Sept. Light rain with partly cloudy skies 60% 5.2 mm 28° / 18° Moderate east wind 15 - 35 km/h
    • Monday 21 Sept. Light rain with partly cloudy skies 50% 0.4 mm 29° / 19° Moderate east wind 11 - 30 km/h

    Weather Forecast for Fairfax, VA Today

    , 15 September

    Tomorrow

    , 16 September
    10:00 Scattered clouds 20° Scattered clouds
    Feels Like 20°
    Moderate east wind East 7 - 20 km/h
    		UV Index 3 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point 10 °C
    • Clouds Clouds 47%
    • Feels Like Feels Like 20 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1028 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 20 km/h
    • Snowline Snowline 16076 ft
    11:00 Scattered clouds 21° Scattered clouds
    Feels Like 21°
    Moderate east wind East 6 - 20 km/h
    		UV Index 4 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 46%
    • Dew Point Dew Point 9 °C
    • Clouds Clouds 36%
    • Feels Like Feels Like 21 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1029 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 20 km/h
    • Snowline Snowline 16076 ft
    12:00 Scattered clouds 23° Scattered clouds
    Feels Like 25°
    Moderate southeast wind Southeast 6 - 20 km/h
    		UV Index 6 High SPF: 15-25
    • Rain Rain 0% 0 mm
    • Humidity Humidity 42%
    • Dew Point Dew Point 9 °C
    • Clouds Clouds 12%
    • Feels Like Feels Like 25 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1028 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 20 km/h
    • Snowline Snowline 15748 ft
    13:00 Clear 24° Sunny
    Feels Like 25°
    Moderate southeast wind Southeast 6 - 21 km/h
    		UV Index 7 High SPF: 15-25
    • Rain Rain 0% 0 mm
    • Humidity Humidity 40%
    • Dew Point Dew Point 9 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 25 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1028 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Snowline Snowline 15748 ft
    14:00 Clear 25° Sunny
    Feels Like 26°
    Moderate southeast wind Southeast 5 - 21 km/h
    		UV Index 6 High SPF: 15-25
    • Rain Rain 0% 0 mm
    • Humidity Humidity 39%
    • Dew Point Dew Point 10 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 26 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1028 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Snowline Snowline 15748 ft
    15:00 Clear 25° Sunny
    Feels Like 26°
    Gentle southeast wind Southeast 6 - 19 km/h
    		UV Index 5 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 38%
    • Dew Point Dew Point 10 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 26 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1027 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 19 km/h
    • Snowline Snowline 15748 ft
    16:00 Clear 26° Sunny
    Feels Like 26°
    Moderate southeast wind Southeast 6 - 20 km/h
    		UV Index 3 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 39%
    • Dew Point Dew Point 10 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 26 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1026 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 20 km/h
    • Snowline Snowline 15748 ft
    Sunny 17:00 Clear 25° Sunny
    Feels Like 26°
    Moderate southeast wind Southeast 7 - 20 km/h
    		UV Index 1 Low SPF: no
    17:00 Clear 25° Sunny
    Feels Like 26°
    Moderate southeast wind Southeast 7 - 20 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 40%
    • Dew Point Dew Point 11 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 26 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1026 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 20 km/h
    • Snowline Snowline 16076 ft
    18:00 Clear 25° Sunny
    Feels Like 26°
    Moderate southeast wind Southeast 8 - 20 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 43%
    • Dew Point Dew Point 11 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 26 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1026 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 20 km/h
    • Snowline Snowline 16076 ft
    19:00 Clear 23° Sunny
    Feels Like 25°
    Gentle southeast wind Southeast 8 - 19 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 52%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 25 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1026 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 19 km/h
    • Snowline Snowline 16076 ft
    Clear 20:00 Clear skies 21° Clear
    Feels Like 21°
    Gentle southeast wind Southeast 9 - 16 km/h
    		UV Index 0 Low SPF: no
    20:00 Clear skies 21° Clear
    Feels Like 21°
    Gentle southeast wind Southeast 9 - 16 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 59%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 21 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 1026 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 16 km/h
    • Snowline Snowline 16076 ft
    21:00 Clear skies 20° Clear
    Feels Like 20°
    Gentle southeast wind Southeast 9 - 17 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 63%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 20 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 1027 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Snowline Snowline 16076 ft
    22:00 Clear skies 20° Clear
    Feels Like 20°
    Gentle southeast wind Southeast 9 - 17 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 65%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 20 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 1027 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Snowline Snowline 16404 ft
    Clear 23:00 Clear skies 19° Clear
    Feels Like 19°
    Gentle southeast wind Southeast 10 - 18 km/h
    		UV Index 0 Low SPF: no
    23:00 Clear skies 19° Clear
    Feels Like 19°
    Gentle southeast wind Southeast 10 - 18 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 67%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 19 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1027 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 18 km/h
    • Snowline Snowline 16404 ft
    24:00 Clear skies 19° Clear
    Feels Like 19°
    Gentle south wind South 10 - 18 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 70%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 19 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1027 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 18 km/h
    • Snowline Snowline 16076 ft

    Air quality in Fairfax today

    Detail
    51
    Moderate O₃ (131 µg/m³)

    Sunrise and Sunset

    Sunrise 06:50 Sunset 19:17
    First light 06:24 Midday 13:04 Last light 19:44
    Day length 12h 27m

    Remaining daylight 8h 53m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    15 First Quarter
    16 First Quarter
    17 First Quarter
    18 First Quarter
    19 First Quarter
    20 First Quarter
    21 First Quarter
    22 First Quarter
    23 First Quarter
    24 First Quarter
    25 Full Moon
    26 Full Moon
    27 Full Moon
    28 Last Quarter

    What is the weather like in Fairfax, VA in September?

    • Avg. Temp.
      Avg. Temp.: 21 °C Max.: 26 °C Min: 17 °C
    • Rainy Days
      Rainy Days: 10 days
    • Accumulated Rainfall
      Accumulated Rainfall: 112 mm
    • Average Wind Speed
      Average Wind Speed: 9 km/h

    Weather graphs

    Videos

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