Muncy Valley Weather Forecast

    • 35
    • 42

    Mostly Cloudy

    • 17
    • 44

    Rain/Snow

    • 10
    • 22

    Slight Chance Snow

    • 22
    • 27

    Mostly Cloudy

    • 16
    • 36

    Chance Snow

    • 11
    • 25

    Mostly Cloudy

    • 10
    • 23

    Mostly Cloudy

Today 13 Jan Sullivan

Mostly cloudy. Near steady temperature in the upper 30s. South Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 13 Jan Sullivan

Mostly cloudy. Near steady temperature in the mid 30s. Southwest Winds 10 to 15 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Muncy Valley Temperature Statistics

January Temperature

Williamsport - Lycoming County Airport (18.6 miles)

  • Lowest 1 January, 2026

    14 °F

  • Average January

    31.8 °F

  • Highest 8 January, 2026

    50 °F

Climate (2021–Present)

Williamsport - Lycoming County Airport (18.6 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    63.2 °F
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