Nassau Weather Forecast

    • 59
    • 97

    Rain Showers Likely

    • 52
    • 67

    Rain Showers Likely

    • 53
    • 63

    Rain Showers

    • 59
    • 69

    Rain Showers

    • 60
    • 74

    Rain Showers Likely

    • 61
    • 78

    Chance Rain Showers

Today 20 May Inland Sussex

Sunny, hot with Highs in the mid 90s. Southwest Winds 5 to 10 Mph.

Tonight 20 May Inland Sussex

A chance of Thunderstorms. Showers Likely, mainly in the evening. Cooler with Lows in the lower 60s. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming north after midnight. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nassau Temperature Statistics

May Temperature

Georgetown - Delaware Coastal Airport (9.9 miles)

  • Lowest 3 May, 2026

    43.6 °F

  • Average May

    61.8 °F

  • Highest 17 May, 2026

    86 °F

Climate (2021–Present)

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

    68.2 °F
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