Nassau Weather Forecast

    • 67
    • 80

    Slight Chance Thunderstorms

    • 65
    • 82

    Decreasing Clouds

    • 70
    • 84

    Partly Sunny

    • 76
    • 92

    Mostly Sunny

    • 79
    • 95

    Sunny

    • 78
    • 96

    Slight Chance Thunderstorms

    • 77
    • 95

    Chance Thunderstorms

Today 28 Jun Inland Sussex

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Near steady temperature in the upper 70s. East Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 28 Jun Inland Sussex

Mostly cloudy. A slight chance of Showers and Thunderstorms this evening. Patchy fog. Lows in the upper 60s. East Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Nassau Temperature Statistics

June Temperature

Georgetown - Delaware Coastal Airport (9.9 miles)

  • Lowest 9 June, 2026

    46.7 °F

  • Average June

    74.7 °F

  • Highest 12 June, 2026

    97.6 °F

Climate (2021–2026)

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

    68.3 °F
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