Guilford Harbor Weather Forecast

    • 69
    • 76

    Slight Chance Thunderstorms

    • 69
    • 81

    Chance Thunderstorms

    • 65
    • 77

    Partly Sunny

    • 66
    • 77

    Mostly Sunny

    • 67
    • 78

    Mostly Sunny

    • 72
    • 81

    Mostly Sunny

    • 71
    • 86

    Partly Sunny

Today 9 Jul Southern New Haven

Partly sunny. A chance of Thunderstorms with a slight chance of Showers this afternoon. Some Thunderstorms may produce gusty Winds and heavy rainfall this afternoon. Highs in the lower 80s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 9 Jul Southern New Haven

Mostly cloudy with a slight chance of Showers and Thunderstorms. Some Thunderstorms may produce heavy rainfall. Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Guilford Harbor Temperature Statistics

July Temperature

Chester, Chester Airport (11.2 miles)

  • Lowest 6 July, 2026

    60.8 °F

  • Average July

    77.1 °F

  • Highest 2 July, 2026

    98.6 °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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