Housatonic River - Twomile Island Weather Forecast

    • 67
    • 89

    Partly Sunny

    • 67
    • 85

    Partly Sunny

    • 65
    • 85

    Chance Thunderstorms

    • 58
    • 83

    Mostly Sunny

    • 58
    • 80

    Partly Sunny

    • 64
    • 80

    Chance Rain Showers

Today 11 Aug Northern Fairfield

Partly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. Northwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 11 Aug Northern Fairfield

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly cloudy after midnight. Lows in the mid 60s. Northwest Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Housatonic River - Twomile Island Temperature Statistics

August Temperature

New Haven, Tweed-New Haven Airport (9.3 miles)

  • Lowest 4 August, 2026

    60.8 °F

  • Average August

    78.8 °F

  • Highest 9 August, 2026

    89.6 °F

Climate (2021–2026)

New Haven, Tweed-New Haven Airport (9.3 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    63.4 °F
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