McElhattan Reservoir Weather Forecast

    • 14
    • 33

    Snow Showers Likely

    • 10
    • 19

    Mostly Cloudy

    • 13
    • 24

    Chance Snow Showers

    • 20
    • 28

    Mostly Cloudy

    • 25
    • 40

    Mostly Cloudy

    • 26
    • 44

    Rain Showers Likely

    • 20
    • 35

    Mostly Cloudy

Today 13 Dec Southern Clinton

Mostly cloudy with a 30 percent chance of snow Showers. Little or no snow accumulation. Near steady temperature in the lower 30s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 13 Dec Southern Clinton

Cloudy. Snow Showers Likely, mainly in the evening. Snow accumulation around an inch. Lows around 15. West Winds 5 to 10 Mph. Chance of snow 70 percent. Wind chill Values as low as 6 above.

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McElhattan Reservoir Temperature Statistics

December Temperature

Williamsport - Lycoming County Airport (23.6 miles)

  • Lowest 9 December, 2025

    6.1 °F

  • Average December

    28 °F

  • Highest 1 December, 2025

    37 °F

Climate (2020–Present)

Williamsport - Lycoming County Airport (23.6 miles)

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  • Average Low 2020–2025

    43.8 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    63.2 °F
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