Sunbury Airport Weather Forecast

    • 43
    • 71

    Increasing Clouds

    • 37
    • 64

    Decreasing Clouds

    • 49
    • 65

    Chance Rain Showers

    • 49
    • 65

    Rain Showers

    • 47
    • 64

    Chance Rain Showers

    • 51
    • 71

    Partly Sunny

    • 54
    • 77

    Slight Chance Rain Showers

Today 10 May Northumberland

Mostly cloudy with a 30 percent chance of Showers. Not as cool with Highs in the upper 60s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 10 May Northumberland

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the lower 40s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunbury Airport Temperature Statistics

May Temperature

Selinsgrove Penn Valley Airport (6.2 miles)

  • Lowest 1 May, 2026

    34 °F

  • Average May

    53.5 °F

  • Highest 5 May, 2026

    80.1 °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

    52.6 °F

  • Average High 2021–2026

    63.1 °F
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