Prospect Hill Weather Forecast

    • 75
    • 94

    Chance Thunderstorms

    • 73
    • 91

    Thunderstorms Likely

    • 64
    • 87

    Mostly Sunny

    • 68
    • 84

    Chance Thunderstorms

    • 67
    • 82

    Chance Thunderstorms

    • 65
    • 84

    Partly Sunny

    • 68
    • 83

    Slight Chance Rain Showers

Today 16 Jul Southern New Haven

Sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the mid 80s. South Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 102.

Tonight 16 Jul Southern New Haven

Mostly cloudy. A chance of Showers and Thunderstorms after midnight. Patchy fog after midnight. Some Thunderstorms may produce gusty Winds and heavy rainfall after midnight. Humid with Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 40 percent.

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Prospect Hill Temperature Statistics

July Temperature

New Haven, Tweed-New Haven Airport (4.3 miles)

  • Lowest 5 July, 2025

    61.6 °F

  • Average July

    78.2 °F

  • Highest 8 July, 2025

    92.6 °F

Climate (2020–Present)

New Haven, Tweed-New Haven Airport (4.3 miles)

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  • Average Low 2020–2025

    47.7 °F

  • Average 2020–2025

    55.8 °F

  • Average High 2020–2025

    63.7 °F
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