Herndon Weather Forecast

    • 39
    • 50

    Mostly Cloudy

    • 40
    • 53

    Chance Rain Showers

    • 30
    • 49

    Partly Sunny

    • 27
    • 42

    Mostly Sunny

    • 21
    • 38

    Mostly Sunny

    • 29
    • 41

    Partly Sunny

Today 18 Nov Fairfax

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the lower 50s. East Winds around 5 Mph, becoming south around 5 Mph in the afternoon.

Tonight 18 Nov Fairfax

Mostly cloudy. Lows in the lower 30s. Northeast Winds around 5 Mph.

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Herndon Temperature Statistics

November Temperature

Washington/Dulles International Airport, DC (4.3 miles)

  • Lowest 12 November, 2018

    27 °F
  • Average November

    46.8 °F
  • Highest 1 November, 2018

    72 °F

Climate (2010–Present)

Washington/Dulles International Airport, DC (4.3 miles)

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  • Average Low 2010–Present

    47 °F
  • Average 2010–Present

    57 °F
  • Average High 2010–Present

    66.3 °F
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