Guilford Harbor Weather Forecast

    • 66
    • 77

    Mostly Cloudy

    • 66
    • 75

    Mostly Cloudy

    • 65
    • 74

    Partly Sunny

    • 64
    • 75

    Mostly Sunny

    • 68
    • 77

    Mostly Sunny

    • 71
    • 79

    Partly Sunny

Today 5 Aug Southern New Haven

Partly sunny. Hazy. Highs in the mid 80s. Northeast Winds around 5 Mph, becoming southeast in the afternoon.

Tonight 5 Aug Southern New Haven

Partly cloudy. Hazy. Near steady temperature in the mid 60s. Light and variable Winds.

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  • Temperature Real-Time

Guilford Harbor Temperature Statistics

August Temperature

Chester, Chester Airport (11.2 miles)

  • Lowest 2 August, 2025

    55.4 °F

  • Average August

    65.8 °F

  • Highest 2 August, 2025

    78.8 °F

Climate (2020–Present)

Chester, Chester Airport (11.2 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    53.7 °F

  • Average High 2020–2025

    62.6 °F
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