Delaware Bay - Lewes Weather Forecast

    • 72
    • 80

    Mostly Sunny

    • 67
    • 77

    Mostly Sunny

    • 67
    • 74

    Mostly Sunny

    • 66
    • 76

    Mostly Sunny

    • 68
    • 80

    Mostly Sunny

    • 69
    • 81

    Partly Sunny

    • 69
    • 78

    Chance Rain Showers

Today 13 Sep Delaware Beaches

Partly sunny with a chance of Showers with a slight chance of Thunderstorms. Near steady temperature in the upper 70s. West Winds around 5 Mph. Chance of rain 30 percent.

Tonight 13 Sep Delaware Beaches

Mostly clear. Lows around 70. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Delaware Bay - Lewes Temperature Statistics

September Temperature

Georgetown - Delaware Coastal Airport (14.3 miles)

  • Lowest 8 September, 2026

    60.7 °F

  • Average September

    76.8 °F

  • Highest 1 September, 2026

    91.7 °F

Climate (2021–2026)

Georgetown - Delaware Coastal Airport (14.3 miles)

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  • Average Low 2021–2026

    48.9 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    68.3 °F
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