Nassau Weather Forecast

    • 57
    • 59

    Rain

    • 62
    • 76

    Rain

    • 62
    • 79

    Rain Showers Likely

    • 61
    • 77

    Chance Rain Showers

    • 63
    • 82

    Mostly Cloudy

    • 59
    • 80

    Partly Sunny

Today 23 May Inland Sussex

Rain this Morning, then rain with a slight chance of Thunderstorms this afternoon. Near steady temperature in the upper 50s. East Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain near 100 percent.

Tonight 23 May Inland Sussex

Rain with a slight chance of Thunderstorms. Lows in the upper 50s. Temperature rising into the lower 60s after midnight. East Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

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  • Temperature Real-Time

Nassau Temperature Statistics

May Temperature

Georgetown - Delaware Coastal Airport (9.9 miles)

  • Lowest 3 May, 2026

    43.6 °F

  • Average May

    64.8 °F

  • Highest 18 May, 2026

    95 °F

Climate (2021–Present)

Georgetown - Delaware Coastal Airport (9.9 miles)

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  • Average Low 2021–2026

    49 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    68.3 °F
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