Plainfield Weather Forecast

    • 13
    • 26

    Gradual Clearing

    • 20
    • 34

    Partly Sunny

    • 23
    • 46

    Mostly Cloudy

    • 34
    • 49

    Rain Showers

    • 22
    • 41

    Partly Sunny

    • 31
    • 40

    Slight Chance Rain Showers

Today 15 Dec Cumberland

Mostly cloudy with a 20 percent chance of snow Showers. Near steady temperature in the mid 20s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 15 Dec Cumberland

Mostly cloudy in the Evening, then clearing. Lows around 15. South Winds around 5 Mph.

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Plainfield Temperature Statistics

December Temperature

Harrisburg, Capital City Airport (23 miles)

  • Lowest 9 December, 2025

    10 °F

  • Average December

    30.6 °F

  • Highest 1 December, 2025

    41 °F

Climate (2020–Present)

Harrisburg, Capital City Airport (23 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    57.1 °F

  • Average High 2020–2025

    66.5 °F
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