Prospect Hill Weather Forecast

    • 66
    • 94

    Chance Thunderstorms

    • 64
    • 89

    Mostly Sunny

    • 60
    • 89

    Rain Showers

    • 59
    • 81

    Partly Sunny

    • 60
    • 80

    Partly Sunny

    • 63
    • 83

    Partly Sunny

Today 12 Jun Southern New Haven

Partly sunny. A slight chance of Showers this afternoon. Highs in the lower 90s. West Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 101.

Tonight 12 Jun Southern New Haven

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the mid 60s. West Winds 5 to 10 Mph, becoming northwest with Gusts up to 20 Mph after midnight. Chance of rain 40 percent.

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Prospect Hill Temperature Statistics

June Temperature

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

  • Lowest 2 June, 2026

    46.9 °F

  • Average June

    66.3 °F

  • Highest 5 June, 2026

    82 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    63.4 °F
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