Avis Weather Forecast

    • 20
    • 46

    Increasing Clouds

    • 23
    • 29

    Wintry Mix

    • 25
    • 36

    Chance Rain Showers

    • 31
    • 39

    Rain Showers

    • 19
    • 36

    Chance Rain Showers

    • 20
    • 29

    Mostly Cloudy

Today 25 Dec Southern Clinton

Mostly sunny. Highs in the mid 40s. West Winds around 5 Mph, becoming northwest 10 to 15 Mph with Gusts up to 25 Mph in the afternoon.

Tonight 25 Dec Southern Clinton

Mostly cloudy. Near steady temperature in the lower 30s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Avis Temperature Statistics

December Temperature

Williamsport - Lycoming County Airport (20.5 miles)

  • Lowest 9 December, 2025

    6.1 °F

  • Average December

    27.5 °F

  • Highest 19 December, 2025

    55.9 °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

    63.2 °F
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