Great Swamp Wildlife Reservation Weather Forecast

    • 60
    • 74

    Rain Showers

    • 54
    • 76

    Partly Sunny

    • 53
    • 74

    Partly Sunny

    • 57
    • 72

    Mostly Cloudy

    • 58
    • 73

    Partly Sunny

    • 55
    • 79

    Partly Sunny

Today 14 Sep Washington

Partly sunny. Isolated Showers this afternoon. Highs in the mid 70s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 14 Sep Washington

Mostly clear in the Evening, then becoming partly cloudy. Patchy fog after midnight. Lows around 60. Southwest Winds around 5 Mph, becoming northwest after midnight.

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Great Swamp Wildlife Reservation Temperature Statistics

September Temperature

N. Kingston / Quonset (12.4 miles)

  • Lowest 4 September, 2025

    53.6 °F

  • Average September

    65.4 °F

  • Highest 6 September, 2025

    78.8 °F

Climate (2020–Present)

N. Kingston / Quonset (12.4 miles)

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  • Average Low 2020–2025

    50.7 °F

  • Average 2020–2025

    56.3 °F

  • Average High 2020–2025

    61.2 °F
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