Prospect Hill Weather Forecast

    • 80
    • 94

    Mostly Sunny

    • 71
    • 94

    Mostly Sunny

    • 67
    • 91

    Mostly Sunny

    • 65
    • 83

    Mostly Sunny

    • 66
    • 82

    Chance Rain Showers

    • 66
    • 83

    Chance Rain Showers

Today 14 Jul Southeast Middlesex

Mostly sunny. Warmer with Highs in the mid 90s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Heat index Values up to 104.

Tonight 14 Jul Southeast Middlesex

Mostly clear. Lows in the upper 70s. West Winds 10 to 15 Mph. Gusts up to 25 Mph this evening. Heat index Values up to 100 early.

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Prospect Hill Temperature Statistics

July Temperature

Boston, Logan International Airport (4.3 miles)

  • Lowest 8 July, 2026

    61.6 °F

  • Average July

    78.5 °F

  • Highest 2 July, 2026

    101.6 °F

Climate (2021–2026)

Boston, Logan International Airport (4.3 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    61 °F
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