Sunbury Weather Forecast

    • 47
    • 70

    Partly Sunny

    • 49
    • 75

    Rain Showers

    • 41
    • 63

    Slight Chance Rain Showers

    • 43
    • 66

    Chance Rain Showers

    • 41
    • 58

    Slight Chance Rain Showers

    • 42
    • 60

    Mostly Cloudy

Today 18 Oct Northumberland

Partly sunny. Highs in the upper 60s. Light and variable Winds, becoming south around 5 Mph in the afternoon.

Tonight 18 Oct Northumberland

Mostly cloudy. Lows in the lower 40s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunbury Temperature Statistics

October Temperature

Selinsgrove Penn Valley Airport (4.3 miles)

  • Lowest 10 October, 2025

    32 °F

  • Average October

    56.6 °F

  • Highest 5 October, 2025

    82.9 °F

Climate (2020–Present)

Selinsgrove Penn Valley Airport (4.3 miles)

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  • Average Low 2020–2025

    42.6 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    63.3 °F
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