Williamsburg Weather Forecast

    • 25
    • 30

    Chance Snow

    • 23
    • 42

    Rain/Snow

    • 21
    • 31

    Mostly Cloudy

    • 21
    • 34

    Chance Snow

    • 18
    • 33

    Chance Snow

    • 11
    • 26

    Partly Sunny

Today 9 Dec Blair

Mostly cloudy. Highs in the upper 20s. South Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 9 Dec Blair

Mostly cloudy. A chance of snow with a slight chance of freezing rain after midnight. Not as cool with Lows in the mid 20s. South Winds 5 to 10 Mph with Gusts up to 30 Mph. Chance of precipitation 40 percent.

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Williamsburg Temperature Statistics

December Temperature

Altoona - Blair County Airport (12.4 miles)

  • Lowest 5 December, 2025

    12.9 °F

  • Average December

    28.7 °F

  • Highest 6 December, 2025

    37 °F

Climate (2020–Present)

Altoona - Blair County Airport (12.4 miles)

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  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    62.1 °F
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