Delaware River - Saint Georges Creek Mouth Weather Forecast

    • 30
    • 41

    Rain/Snow Likely

    • 19
    • 34

    Snow

    • 15
    • 36

    Mostly Sunny

    • 12
    • 25

    Mostly Sunny

    • 27
    • 37

    Mostly Cloudy

    • 20
    • 39

    Slight Chance Snow

    • 24
    • 34

    Partly Sunny

Today 17 Jan New Castle

Mostly cloudy. A chance of snow late this Morning, then rain likely with a chance of snow this afternoon. Little or no snow accumulation. Near steady temperature in the upper 30s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of precipitation 70 percent.

Tonight 17 Jan New Castle

Mostly cloudy. A chance of rain and snow after midnight. Little or no snow accumulation. Cold. Near steady temperature in the lower 30s. Southwest Winds around 5 Mph, becoming north after midnight. Chance of precipitation 50 percent.

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  • Temperature Real-Time

Delaware River - Saint Georges Creek Mouth Temperature Statistics

January Temperature

Wilmington, New Castle County Airport (9.3 miles)

  • Lowest 3 January, 2026

    21.9 °F

  • Average January

    37.3 °F

  • Highest 7 January, 2026

    60.1 °F

Climate (2021–Present)

Wilmington, New Castle County Airport (9.3 miles)

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  • Average Low 2021–2026

    48.1 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    66.5 °F
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