Nassau Weather Forecast

    • 63
    • 86

    Mostly Sunny

    • 68
    • 89

    Mostly Sunny

    • 71
    • 90

    Partly Sunny

    • 65
    • 86

    Chance Thunderstorms

    • 59
    • 74

    Slight Chance Rain Showers

    • 62
    • 76

    Slight Chance Rain Showers

Today 4 Jun Inland Sussex

Sunny, hot with Highs in the upper 80s. West Winds around 5 Mph, becoming southeast this afternoon.

Tonight 4 Jun Inland Sussex

Mostly clear. Lows in the lower 60s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nassau Temperature Statistics

June Temperature

Georgetown - Delaware Coastal Airport (9.9 miles)

  • Lowest 2 June, 2026

    51.1 °F

  • Average June

    64.6 °F

  • Highest 1 June, 2026

    77.6 °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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