Nassau Weather Forecast

    • 71
    • 86

    Slight Chance Thunderstorms

    • 73
    • 93

    Slight Chance Thunderstorms

    • 73
    • 88

    Slight Chance Thunderstorms

    • 72
    • 94

    Chance Rain Showers

    • 67
    • 86

    Chance Rain Showers

    • 64
    • 81

    Slight Chance Rain Showers

Today 31 Aug Inland Sussex

Partly sunny with isolated Showers. Hot. Near steady temperature in the mid 80s. East Winds around 5 Mph. Chance of rain 20 percent.

Tonight 31 Aug Inland Sussex

Mostly cloudy with a slight chance of Showers and Thunderstorms. Humid with Lows in the lower 70s. Southeast Winds around 5 Mph, becoming southwest after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nassau Temperature Statistics

August Temperature

Georgetown - Delaware Coastal Airport (9.9 miles)

  • Lowest 26 August, 2026

    61.6 °F

  • Average August

    78.7 °F

  • Highest 10 August, 2026

    93.7 °F

Climate (2021–2026)

Georgetown - Delaware Coastal Airport (9.9 miles)

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  • Average Low 2021–2026

    48.9 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    68.3 °F
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