Great Marsh Preserve Weather Forecast

    • 51
    • 67

    Chance Rain Showers

    • 55
    • 72

    Partly Sunny

    • 65
    • 80

    Mostly Sunny

    • 65
    • 85

    Partly Sunny

    • 66
    • 86

    Mostly Sunny

    • 69
    • 89

    Mostly Sunny

    • 67
    • 91

    Partly Sunny

Today 14 May Inland Sussex

Mostly cloudy late this Morning, then becoming partly sunny. A slight chance of Showers late this morning. Highs in the mid 60s. Northwest Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 14 May Inland Sussex

Partly cloudy. Lows around 50. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Marsh Preserve Temperature Statistics

May Temperature

Georgetown - Delaware Coastal Airport (11.8 miles)

  • Lowest 3 May, 2026

    43.6 °F

  • Average May

    60.1 °F

  • Highest 5 May, 2026

    84.7 °F

Climate (2021–Present)

Georgetown - Delaware Coastal Airport (11.8 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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