Great Marsh Preserve Weather Forecast

    • 38
    • 51

    Partly Sunny

    • 25
    • 53

    Rain/Snow Likely

    • 18
    • 34

    Partly Sunny

    • 29
    • 37

    Partly Sunny

    • 25
    • 45

    Slight Chance Snow

    • 19
    • 35

    Slight Chance Snow

    • 19
    • 36

    Partly Sunny

Today 13 Jan Inland Sussex

Sunny. Highs in the lower 50s. South Winds 5 to 10 Mph.

Tonight 13 Jan Inland Sussex

Partly cloudy. Not as cool with Lows in the upper 30s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Marsh Preserve Temperature Statistics

January Temperature

Georgetown - Delaware Coastal Airport (11.8 miles)

  • Lowest 3 January, 2026

    19.9 °F

  • Average January

    39.1 °F

  • Highest 10 January, 2026

    66 °F

Climate (2021–Present)

Georgetown - Delaware Coastal Airport (11.8 miles)

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  • Average Low 2021–2026

    49.2 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    68.3 °F
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