Sunbury Airport Weather Forecast

    • 6
    • 20

    Partly Sunny

    • 8
    • 24

    Partly Sunny

    • 11
    • 31

    Mostly Sunny

    • 15
    • 32

    Mostly Cloudy

    • 12
    • 29

    Chance Snow Showers

    • 11
    • 28

    Slight Chance Snow Showers

Today 31 Jan Northumberland

Mostly sunny. Highs around 20. North Winds around 5 Mph.

Tonight 31 Jan Northumberland

Partly cloudy. Very cold with Lows around 5 below. Northwest Winds around 5 Mph.

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Sunbury Airport Temperature Statistics

January Temperature

Selinsgrove Penn Valley Airport (6.2 miles)

  • Lowest 28 January, 2026

    -4 °F

  • Average January

    26.4 °F

  • Highest 7 January, 2026

    50 °F

Climate (2021–Present)

Selinsgrove Penn Valley Airport (6.2 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    63 °F
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