Great Marsh Preserve Weather Forecast

    • 57
    • 67

    Mostly Cloudy

    • 47
    • 70

    Becoming Sunny

    • 45
    • 63

    Sunny

    • 47
    • 64

    Mostly Sunny

    • 56
    • 70

    Partly Sunny

    • 53
    • 74

    Rain Showers Likely

    • 51
    • 68

    Slight Chance Rain Showers

Today 14 Oct Inland Sussex

Mostly cloudy. A slight chance of Showers this morning. Highs in the upper 60s. North Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 14 Oct Inland Sussex

Mostly cloudy. Lows in the mid 50s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Real-Time

Great Marsh Preserve Temperature Statistics

October Temperature

Georgetown - Delaware Coastal Airport (11.8 miles)

  • Lowest 3 October, 2025

    46 °F

  • Average October

    62 °F

  • Highest 7 October, 2025

    82 °F

Climate (2020–Present)

Georgetown - Delaware Coastal Airport (11.8 miles)

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  • Average Low 2020–2025

    49.3 °F

  • Average 2020–2025

    58.9 °F

  • Average High 2020–2025

    68.6 °F
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