Sunbury Weather Forecast

    • 36
    • 42

    Increasing Clouds

    • 31
    • 52

    Mostly Cloudy

    • 43
    • 46

    Mostly Cloudy

    • 51
    • 61

    Chance Rain

    • 40
    • 61

    Chance Rain

    • 31
    • 52

    Mostly Cloudy

Today 22 Dec Delaware

Partly cloudy in the Morning, then becoming mostly cloudy. Highs in the lower 40s. South Winds 5 to 10 Mph.

Tonight 22 Dec Delaware

Mostly clear. Lows in the lower 20s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunbury Temperature Statistics

December Temperature

Delaware Municipal Airport (13.7 miles)

  • Lowest 15 December, 2025

    -2.2 °F

  • Average December

    26.4 °F

  • Highest 18 December, 2025

    55.4 °F

Climate (2020–Present)

Delaware Municipal Airport (13.7 miles)

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  • Average Low 2020–2025

    43 °F

  • Average 2020–2025

    52.3 °F

  • Average High 2020–2025

    61.8 °F
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