Prospect Hill Weather Forecast

    • 54
    • 60

    Rain Showers

    • 56
    • 68

    Mostly Cloudy

    • 58
    • 71

    Partly Sunny

    • 66
    • 79

    Partly Sunny

    • 58
    • 79

    Slight Chance Rain Showers

    • 53
    • 68

    Partly Sunny

    • 55
    • 66

    Chance Rain Showers

Today 28 Sep Southeast Middlesex

Partly sunny with a 30 percent chance of Showers. Highs in the mid 60s.

Tonight 28 Sep Southeast Middlesex

Showers, mainly this evening. Patchy fog. Near steady temperature in the mid 50s. North Winds 5 to 10 Mph. Gusts up to 20 Mph this evening. Chance of rain near 100 percent.

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Prospect Hill Temperature Statistics

September Temperature

Boston, Logan International Airport (4.3 miles)

  • Lowest 24 September, 2026

    49.6 °F

  • Average September

    66 °F

  • Highest 10 September, 2026

    87.7 °F

Climate (2021–2026)

Boston, Logan International Airport (4.3 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    60.9 °F
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