Nassau Weather Forecast

    • 28
    • 44

    Mostly Sunny

    • 36
    • 49

    Partly Sunny

    • 34
    • 52

    Chance Rain

    • 21
    • 45

    Chance Snow

    • 25
    • 37

    Partly Sunny

    • 27
    • 43

    Mostly Cloudy

Today 12 Jan Inland Sussex

Sunny. Highs in the mid 40s. West Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 12 Jan Inland Sussex

Mostly clear in the Evening, then becoming partly cloudy. Cold with Lows in the upper 20s. Southwest Winds 5 to 10 Mph.

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Nassau Temperature Statistics

January Temperature

Georgetown - Delaware Coastal Airport (9.9 miles)

  • Lowest 3 January, 2026

    19.9 °F

  • Average January

    37 °F

  • Highest 9 January, 2026

    63 °F

Climate (2021–Present)

Georgetown - Delaware Coastal Airport (9.9 miles)

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  • Average Low 2021–2026

    49.1 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    68.3 °F
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