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Fairfax, VA Weather Forecast | 5 Day

Updated: Mon May 12th 2025 6:00 PM EDT

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Fairfax, VA Weather Forecast - 5-12 - Overcast

Overcast

Mon 5-12

Overcast with a high of 73°F and a low of 54°F. Wind will be moderate, blowing around 11mph on average and gusts of 10.9mph at 7 PM. High humidity with average of 81% is anticipated, the maximum being 93% at 11 PM and 83% being its lowest at 7 PM. Barometric pressure is its highest of 30.17inHg at 7 PM, a lowest point of 30.14inHg at 11 PM with an avg 30.15inHg.

    • HI: 73°F
    • LO: 54°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      10.1 mph
    • Humidity
      81% avg.
    • UV Index
      1.5
    • Air Quality
      Moderate
    • Sunrise
      05:59 AM
    • Sunset
      08:12 PM
    • Moonrise
      08:38 PM
    • Moonset
      05:34 AM
    • Moon Phase
      Full Moon
Fairfax, VA Weather Forecast - 5-13 - Heavy Rain

Heavy Rain

Tue 5-13

Heavy Rain with a high of 73°F and a low of 63°F. It will likey rain, having a 84% chance of a downpour with an estimated 1.92in. Wind will be moderate, blowing around 14mph on average and gusts of 20.6mph at 12 PM. High humidity with average of 94% is anticipated, the maximum being 99% at 11 PM and 78% being its lowest at 12 PM. Barometric pressure is its highest of 30.14inHg at 12 AM, a lowest point of 29.87inHg at 11 PM with an avg 30.04inHg.

    • HI: 73°F
    • LO: 63°F
    • Rainfall: 84% | est. 1.92in
    • Snowfall: 0%
    • Wind
      13.4 mph
    • Humidity
      94% avg.
    • UV Index
      0.1
    • Air Quality
      Good
    • Sunrise
      05:58 AM
    • Sunset
      08:13 PM
    • Moonrise
      09:40 PM
    • Moonset
      06:05 AM
    • Moon Phase
      Waning Gibbous
Fairfax, VA Weather Forecast - 5-14 - Moderate Rain

Moderate Rain

Wed 5-14

Moderate Rain with a high of 77°F and a low of 63°F. It will likey rain, having a 87% chance of a downpour with an estimated 0.71in. Winds will be light at 9mph and gusts of 15.8mph at 9 PM. High humidity with average of 88% is anticipated, the maximum being 99% at 5 AM and 70% being its lowest at 3 PM. Barometric pressure is its highest of 29.96inHg at 11 PM, a lowest point of 29.87inHg at 5 PM with an avg 29.91inHg.

    • HI: 77°F
    • LO: 63°F
    • Rainfall: 87% | est. 0.71in
    • Snowfall: 0%
    • Wind
      8.1 mph
    • Humidity
      88% avg.
    • UV Index
      1.1
    • Air Quality
      Good
    • Sunrise
      05:58 AM
    • Sunset
      08:14 PM
    • Moonrise
      10:39 PM
    • Moonset
      06:44 AM
    • Moon Phase
      Waning Gibbous
Fairfax, VA Weather Forecast - 5-15 - Heavy Rain

Heavy Rain

Thu 5-15

Heavy Rain with a high of 81°F and a low of 66°F. It will likey rain, having a 87% chance of a downpour with an estimated 1.83in. Winds will be light at 6mph and gusts of 9.9mph at 9 PM. High humidity with average of 84% is anticipated, the maximum being 99% at 5 AM and 56% being its lowest at 5 PM. Barometric pressure is its highest of 29.91inHg at 11 AM, a lowest point of 29.78inHg at 5 PM with an avg 29.86inHg.

    • HI: 81°F
    • LO: 66°F
    • Rainfall: 87% | est. 1.83in
    • Snowfall: 0%
    • Wind
      5.4 mph
    • Humidity
      84% avg.
    • UV Index
      1.7
    • Air Quality
      Moderate
    • Sunrise
      05:57 AM
    • Sunset
      08:15 PM
    • Moonrise
      11:34 PM
    • Moonset
      07:32 AM
    • Moon Phase
      Waning Gibbous
Fairfax, VA Weather Forecast - 5-16 - Moderate Rain

Moderate Rain

Fri 5-16

Moderate Rain with a high of 83°F and a low of 64°F. It will likey rain, having a 88% chance of a downpour with an estimated 0.26in. Winds will be light at 7mph and gusts of 13.2mph at 7 PM. High humidity with average of 83% is anticipated, the maximum being 98% at 7 AM and 54% being its lowest at 3 PM. Barometric pressure is its highest of 29.79inHg at 12 AM, a lowest point of 29.7inHg at 6 PM with an avg 29.75inHg.

    • HI: 83°F
    • LO: 64°F
    • Rainfall: 88% | est. 0.26in
    • Snowfall: 0%
    • Wind
      6.7 mph
    • Humidity
      83% avg.
    • UV Index
      0.1
    • Air Quality
      Moderate
    • Sunrise
      05:56 AM
    • Sunset
      08:16 PM
    • Moonrise
      No moonrise
    • Moonset
      08:27 AM
    • Moon Phase
      Waning Gibbous
Fairfax, VA Weather Forecast - 5-17 - Sunny

Sunny

Sat 5-17

Sunny with a high of 84°F and a low of 63°F. Wind will be moderate, blowing around 14mph on average and gusts of 15.9mph at 2 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 91% at 5 AM and 40% being its lowest at 2 PM. Barometric pressure is its highest of 29.81inHg at 11 PM, a lowest point of 29.67inHg at 2 PM with an avg 29.72inHg.

    • HI: 84°F
    • LO: 63°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      13.9 mph
    • Humidity
      72% avg.
    • UV Index
      6
    • Air Quality
      TBA
    • Sunrise
      05:55 AM
    • Sunset
      08:16 PM
    • Moonrise
      12:21 AM
    • Moonset
      09:29 AM
    • Moon Phase
      Waning Gibbous

Currently

Overcast 73°F
30.18 inHg.
Barometer
73%
Humidity
S 16.2 mph
Wind
Overcast

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