Williamsburg Weather Forecast

    • 22
    • 25

    Increasing Clouds

    • 15
    • 38

    Partly Sunny

    • 24
    • 31

    Partly Sunny

    • 33
    • 41

    Mostly Cloudy

    • 32
    • 47

    Mostly Cloudy

    • 41
    • 51

    Mostly Cloudy

Today 19 Dec Iowa

Sunny. Much cooler with Highs in the mid 20s. West Winds 5 to 10 Mph, becoming south with Gusts up to 20 Mph this afternoon. Wind chill Values as low as 5 below late this morning.

Tonight 19 Dec Iowa

Partly cloudy in the Evening, then becoming mostly cloudy. Not as cool with Lows in the lower 20s. Temperature rising into the lower 30s after midnight. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Williamsburg Temperature Statistics

December Temperature

Cedar Rapids Airport (21.1 miles)

  • Lowest 4 December, 2025

    -9 °F

  • Average December

    18.5 °F

  • Highest 9 December, 2025

    41 °F

Climate (2020–Present)

Cedar Rapids Airport (21.1 miles)

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  • Average Low 2020–2025

    40.2 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    61 °F
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