Rehoboth Flats Weather Forecast

    • 72
    • 81

    Increasing Clouds

    • 70
    • 80

    Partly Sunny

    • 68
    • 74

    Partly Sunny

    • 69
    • 80

    Rain Showers Likely

    • 68
    • 77

    Chance Rain Showers

    • 67
    • 76

    Chance Rain Showers

Today 17 Sep Delaware Beaches

Mostly sunny. Highs in the lower 80s. South Winds 10 to 15 Mph.

Tonight 17 Sep Delaware Beaches

Mostly clear in the Evening, then partly cloudy with a slight chance of Showers after midnight. Humid with Lows around 70. South Winds 10 to 15 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rehoboth Flats Temperature Statistics

September Temperature

Georgetown - Delaware Coastal Airport (15.5 miles)

  • Lowest 8 September, 2026

    60.7 °F

  • Average September

    76.4 °F

  • Highest 1 September, 2026

    91.7 °F

Climate (2021–2026)

Georgetown - Delaware Coastal Airport (15.5 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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