Great Marsh Preserve Weather Forecast

    • 65
    • 85

    Decreasing Clouds

    • 73
    • 91

    Sunny

    • 79
    • 99

    Hot

    • 77
    • 95

    Partly Sunny

    • 76
    • 95

    Slight Chance Thunderstorms

    • 76
    • 94

    Chance Thunderstorms

    • 73
    • 89

    Chance Thunderstorms

Today 13 Jul Inland Sussex

Sunny. Highs in the lower 80s. East Winds 5 to 10 Mph.

Tonight 13 Jul Inland Sussex

Clear. Lows in the lower 60s. Southeast Winds 5 to 10 Mph, becoming south after midnight.

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Great Marsh Preserve Temperature Statistics

July Temperature

Georgetown - Delaware Coastal Airport (11.8 miles)

  • Lowest 8 July, 2026

    68.6 °F

  • Average July

    82.8 °F

  • Highest 3 July, 2026

    102.7 °F

Climate (2021–2026)

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

    68.3 °F
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