Delaware Bay Weather Forecast

    • 73
    • 81

    Slight Chance Thunderstorms

    • 67
    • 78

    Chance Thunderstorms

    • 68
    • 77

    Sunny

    • 71
    • 78

    Mostly Sunny

    • 72
    • 80

    Chance Rain Showers

    • 67
    • 80

    Chance Rain Showers

    • 65
    • 78

    Mostly Sunny

Today 20 Aug Delaware Beaches

Partly sunny with a chance of Showers. A slight chance of Thunderstorms this Morning, then a chance of Thunderstorms this afternoon. Highs in the lower 80s. Southeast Winds 10 to 15 Mph. Chance of rain 40 percent.

Tonight 20 Aug Delaware Beaches

Mostly cloudy with a slight chance of Showers and Thunderstorms. Lows in the lower 70s. East Winds around 10 Mph, becoming northeast 15 to 20 Mph after midnight. Chance of rain 20 percent.

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  • Temperature Real-Time

Delaware Bay Temperature Statistics

August Temperature

Georgetown - Delaware Coastal Airport (14.3 miles)

  • Lowest 3 August, 2025

    58.6 °F

  • Average August

    74.4 °F

  • Highest 13 August, 2025

    90.6 °F

Climate (2020–Present)

Georgetown - Delaware Coastal Airport (14.3 miles)

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  • Average Low 2020–2025

    49.4 °F

  • Average 2020–2025

    58.9 °F

  • Average High 2020–2025

    68.6 °F
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