Delaware Run Weather Forecast

    • 27
    • 39

    Slight Chance Snow

    • 18
    • 31

    Mostly Cloudy

    • 9
    • 30

    Mostly Cloudy

    • 9
    • 18

    Partly Sunny

    • 23
    • 32

    Mostly Cloudy

    • 15
    • 33

    Partly Sunny

    • 18
    • 29

    Mostly Cloudy

Today 17 Jan Northumberland

Mostly sunny. Not as cool with Highs in the upper 30s. Southwest Winds around 5 Mph.

Tonight 17 Jan Northumberland

Mostly cloudy. A chance of snow after midnight. Snow accumulation around half an inch. Lows in the upper 20s. Southwest Winds around 5 Mph. Chance of snow 30 percent.

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  • Temperature Real-Time

Delaware Run Temperature Statistics

January Temperature

Williamsport - Lycoming County Airport (8.1 miles)

  • Lowest 1 January, 2026

    14 °F

  • Average January

    31.9 °F

  • Highest 8 January, 2026

    50 °F

Climate (2021–Present)

Williamsport - Lycoming County Airport (8.1 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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