Sunbury Airport Weather Forecast

    • 22
    • 31

    Increasing Clouds

    • 20
    • 32

    Chance Snow Showers

    • 15
    • 27

    Mostly Cloudy

    • 20
    • 33

    Mostly Cloudy

    • 17
    • 33

    Mostly Cloudy

    • 22
    • 33

    Mostly Cloudy

Today 30 Dec Northumberland

Mostly cloudy and Blustery, Colder with Highs in the upper 20s. West Winds 15 to 25 Mph with Gusts up to 45 Mph.

Tonight 30 Dec Northumberland

Mostly cloudy. Lows in the lower 20s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunbury Airport Temperature Statistics

December Temperature

Selinsgrove Penn Valley Airport (6.2 miles)

  • Lowest 9 December, 2025

    5 °F

  • Average December

    29.1 °F

  • Highest 19 December, 2025

    57 °F

Climate (2020–Present)

Selinsgrove Penn Valley Airport (6.2 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    63.1 °F
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