Hillsdale Weather Forecast

    • 18
    • 31

    Partly Sunny

    • 21
    • 31

    Partly Sunny

    • 28
    • 38

    Partly Sunny

    • 32
    • 49

    Mostly Cloudy

    • 41
    • 53

    Chance Rain

    • 28
    • 50

    Partly Sunny

Today 14 Dec District of Columbia

Mostly cloudy with snow likely this Morning, then mostly sunny this afternoon. Snow accumulation around an inch. Highs in the lower 30s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of snow 70 percent.

Tonight 14 Dec District of Columbia

Mostly clear. Lows around 17. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

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Hillsdale Temperature Statistics

December Temperature

Washington/Reagan National Airport, DC (1.9 miles)

  • Lowest 9 December, 2025

    21 °F

  • Average December

    35.5 °F

  • Highest 1 December, 2025

    46 °F

Climate (2020–Present)

Washington/Reagan National Airport, DC (1.9 miles)

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  • Average Low 2020–2025

    52.5 °F

  • Average 2020–2025

    60.4 °F

  • Average High 2020–2025

    69.1 °F
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