Shamokin Weather Forecast

    • 52
    • 71

    Mostly Sunny

    • 60
    • 79

    Partly Sunny

    • 64
    • 81

    Chance Rain Showers

    • 57
    • 78

    Partly Sunny

    • 61
    • 75

    Chance Rain Showers

    • 58
    • 77

    Chance Rain Showers

Today 15 Sep Northumberland

Patchy fog in the morning. Sunny. Highs in the lower 70s. Southeast Winds around 5 Mph.

Tonight 15 Sep Northumberland

Mostly clear. Patchy fog. Much cooler with Lows in the mid 40s. Northeast Winds around 5 Mph.

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Shamokin Temperature Statistics

September Temperature

Selinsgrove Penn Valley Airport (16.2 miles)

  • Lowest 8 September, 2026

    50 °F

  • Average September

    70.2 °F

  • Highest 1 September, 2026

    90 °F

Climate (2021–2026)

Selinsgrove Penn Valley Airport (16.2 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    63.1 °F
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