Herndon Weather Forecast

    • 69
    • 84

    Rain Showers Likely

    • 68
    • 87

    Chance Thunderstorms

    • 62
    • 83

    Partly Sunny

    • 65
    • 81

    Slight Chance Thunderstorms

    • 70
    • 85

    Rain Showers Likely

    • 73
    • 89

    Chance Rain Showers

Today 23 Jun Fairfax

Showers and Thunderstorms likely. Highs in the mid 80s. Chance of rain 70 percent.

Tonight 23 Jun Fairfax

Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the lower 70s. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Herndon Temperature Statistics

June Temperature

Washington/Dulles International Airport, DC (4.3 miles)

  • Lowest 5 June, 2018

    52 °F

  • Average June

    71.7 °F

  • Highest 18 June, 2018

    93 °F

Climate (2010–Present)

Washington/Dulles International Airport, DC (4.3 miles)

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  • Average Low 2010–Present

    45.5 °F

  • Average 2010–Present

    55.7 °F

  • Average High 2010–Present

    65.2 °F
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