Guilford Harbor Weather Forecast

    • 64
    • 80

    Mostly Sunny

    • 64
    • 78

    Mostly Sunny

    • 68
    • 77

    Partly Sunny

    • 69
    • 77

    Chance Rain Showers

    • 67
    • 80

    Chance Rain Showers

    • 65
    • 80

    Partly Sunny

Today 24 Aug Southern New Haven

Sunny Early, then becoming mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 80s. West Winds 5 to 10 Mph, becoming southwest with Gusts up to 20 Mph this afternoon. Chance of rain 20 percent.

Tonight 24 Aug Southern New Haven

Partly cloudy with a slight chance of Showers in the Evening, then clear after midnight. Lows in the upper 50s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming west after midnight. Chance of rain 20 percent.

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Guilford Harbor Temperature Statistics

August Temperature

Chester, Chester Airport (11.2 miles)

  • Lowest 4 August, 2026

    60.8 °F

  • Average August

    74.7 °F

  • Highest 7 August, 2026

    93.2 °F

Climate (2021–2026)

Chester, Chester Airport (11.2 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    62.6 °F
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