Nassau Weather Forecast

    • 33
    • 43

    Mostly Cloudy

    • 42
    • 52

    Mostly Cloudy

    • 34
    • 54

    Mostly Sunny

    • 40
    • 53

    Chance Rain Showers

    • 45
    • 56

    Chance Rain Showers

    • 34
    • 59

    Chance Rain Showers

Today 5 Jan Inland Sussex

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the mid 40s. South Winds 5 to 10 Mph.

Tonight 5 Jan Inland Sussex

Mostly cloudy and cold. Near steady temperature in the mid 20s. Northwest Winds around 5 Mph.

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  • Temperature Real-Time

Nassau Temperature Statistics

January Temperature

Georgetown - Delaware Coastal Airport (9.9 miles)

  • Lowest 1 January, 2026

    21 °F

  • Average January

    28.9 °F

  • Highest 1 January, 2026

    37.9 °F

Climate (2021–Present)

Georgetown - Delaware Coastal Airport (9.9 miles)

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  • Average Low 2021–2026

    49.2 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    68.3 °F
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