Great Marsh Preserve Weather Forecast

    • 24
    • 39

    Increasing Clouds

    • 34
    • 44

    Mostly Cloudy

    • 42
    • 52

    Mostly Cloudy

    • 35
    • 57

    Mostly Sunny

    • 41
    • 53

    Chance Rain

    • 45
    • 56

    Chance Rain

    • 34
    • 59

    Chance Rain

Today 4 Jan Inland Sussex

Sunny. Highs in the upper 30s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 4 Jan Inland Sussex

Partly cloudy this Evening, then becoming mostly cloudy. Cold with Lows in the lower 20s. Northwest Winds around 5 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 1 January, 2026

    21 °F

  • Average January

    28.9 °F

  • Highest 1 January, 2026

    37.9 °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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