Haddam Weather Forecast

    • 72
    • 94

    Slight Chance Thunderstorms

    • 74
    • 97

    Hot

    • 68
    • 98

    Rain Showers

    • 61
    • 83

    Chance Rain Showers

    • 64
    • 82

    Slight Chance Thunderstorms

    • 65
    • 88

    Slight Chance Thunderstorms

    • 62
    • 88

    Chance Thunderstorms

Today 6 Sep Washington

Mostly sunny with a slight chance of Showers and Thunderstorms. Hot with Highs in the mid 90s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

Tonight 6 Sep Washington

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the lower 70s. East Winds 5 to 10 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Haddam Temperature Statistics

September Temperature

Hebron, Hebron Municipal Airport (24.9 miles)

  • Lowest 1 September, 2026

    70.5 °F

  • Average September

    84.6 °F

  • Highest 2 September, 2026

    98.8 °F

Climate (2021–2026)

Hebron, Hebron Municipal Airport (24.9 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    67 °F
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