Tomb Weather Forecast

    • 20
    • 29

    Chance Snow Showers

    • 17
    • 32

    Slight Chance Snow Showers

    • 16
    • 33

    Snow Showers Likely

    • 13
    • 24

    Mostly Cloudy

    • 15
    • 27

    Mostly Cloudy

    • 18
    • 31

    Mostly Cloudy

Today 11 Dec Northern Lycoming

Mostly sunny this Morning, then becoming mostly cloudy. A 50 percent chance of snow Showers. Snow accumulation up to 1 inch possible. Highs in the mid 20s. West Winds 10 to 15 Mph with Gusts up to 40 Mph. Wind chill Values as low as 2 above.

Tonight 11 Dec Northern Lycoming

Mostly cloudy. A chance of snow Showers in the evening. Little or no snow accumulation. Lows around 15. West Winds 10 to 15 Mph. Gusts up to 35 Mph in the evening. Chance of snow 40 percent. Wind chill Values as low as 6 above.

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Tomb Temperature Statistics

December Temperature

Williamsport - Lycoming County Airport (20.5 miles)

  • Lowest 5 December, 2025

    10.9 °F

  • Average December

    29 °F

  • Highest 1 December, 2025

    37 °F

Climate (2020–Present)

Williamsport - Lycoming County Airport (20.5 miles)

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  • Average Low 2020–2025

    43.8 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    63.3 °F
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