Great Marsh Preserve Weather Forecast

    • 66
    • 79

    Mostly Sunny

    • 69
    • 84

    Mostly Sunny

    • 76
    • 89

    Mostly Sunny

    • 80
    • 98

    Hot

    • 80
    • 101

    Hot

    • 77
    • 98

    Chance Thunderstorms

Today 29 Jun Inland Sussex

Mostly cloudy this Morning, then becoming mostly sunny. Patchy fog this morning. Highs in the lower 80s. East Winds 5 to 10 Mph.

Tonight 29 Jun Inland Sussex

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 60s. Southeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

Great Marsh Preserve Temperature Statistics

June Temperature

Georgetown - Delaware Coastal Airport (11.8 miles)

  • Lowest 9 June, 2026

    46.7 °F

  • Average June

    74.8 °F

  • Highest 12 June, 2026

    97.6 °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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