Fairfax Weather Forecast

    • 34
    • 54

    Mostly Cloudy

    • 43
    • 60

    Mostly Cloudy

    • 48
    • 57

    Rain Showers Likely

    • 34
    • 45

    Mostly Sunny

    • 28
    • 42

    Mostly Sunny

    • 25
    • 45

    Mostly Sunny

    • 29
    • 50

    Chance Rain Showers

Today 21 Jan Fairfax

Mostly cloudy. Highs in the mid 50s. South Winds around 5 Mph.

Tonight 21 Jan Fairfax

Mostly cloudy. Lows in the lower 40s. South Winds around 5 Mph.

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  • Temperature Real-Time

Fairfax Temperature Statistics

January Temperature

Washington/Dulles International Airport, DC (9.3 miles)

  • Lowest 7 January, 2018

    0 °F
  • Average January

    26.8 °F
  • Highest 12 January, 2018

    70 °F

Climate (2010–Present)

Washington/Dulles International Airport, DC (9.3 miles)

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  • Average Low 2010–Present

    45.9 °F
  • Average 2010–Present

    56.2 °F
  • Average High 2010–Present

    65.6 °F
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