Great Swamp Weather Forecast

    • 47
    • 64

    Slight Chance Rain Showers

    • 58
    • 80

    Partly Sunny

    • 58
    • 87

    Partly Sunny

    • 59
    • 84

    Mostly Sunny

    • 67
    • 94

    Mostly Sunny

    • 62
    • 92

    Chance Rain Showers

Today 15 May Putnam

Partly sunny with a 20 percent chance of Showers. Highs in the lower 60s. North Winds 5 to 10 Mph. Gusts up to 20 Mph in the morning.

Tonight 15 May Putnam

Partly cloudy. A slight chance of Showers in the evening. Lows in the upper 40s. Northwest Winds around 5 Mph, becoming southwest after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Swamp Temperature Statistics

May Temperature

Danbury, Danbury Municipal Airport (10.6 miles)

  • Lowest 1 May, 2026

    35.1 °F

  • Average May

    54 °F

  • Highest 5 May, 2026

    78.1 °F

Climate (2021–Present)

Danbury, Danbury Municipal Airport (10.6 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    63.2 °F
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