Delaware Run Weather Forecast

    • 25
    • 38

    Mostly Cloudy

    • 9
    • 36

    Slight Chance Snow Showers

    • 18
    • 28

    Mostly Cloudy

    • 22
    • 37

    Mostly Cloudy

    • 18
    • 35

    Mostly Cloudy

    • 15
    • 31

    Mostly Cloudy

Today 3 Dec Northumberland

Mostly sunny. Highs in the mid 30s. West Winds around 5 Mph.

Tonight 3 Dec Northumberland

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 20s. Southwest Winds around 5 Mph.

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Delaware Run Temperature Statistics

December Temperature

Williamsport - Lycoming County Airport (8.1 miles)

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Climate (2020–Present)

Williamsport - Lycoming County Airport (8.1 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    63.3 °F
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