Prospect Hill Weather Forecast

    • 54
    • 73

    Partly Sunny

    • 54
    • 74

    Partly Sunny

    • 59
    • 74

    Slight Chance Rain Showers

    • 62
    • 79

    Slight Chance Rain Showers

    • 50
    • 80

    Mostly Sunny

    • 47
    • 67

    Mostly Sunny

Today 15 Sep Southeast Middlesex

Mostly sunny. Highs in the mid 70s. East Winds 5 to 10 Mph.

Tonight 15 Sep Southeast Middlesex

Mostly clear in the Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 50s. Southeast Winds 5 to 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

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Prospect Hill Temperature Statistics

September Temperature

Boston, Logan International Airport (4.3 miles)

  • Lowest 9 September, 2025

    54 °F

  • Average September

    65.6 °F

  • Highest 6 September, 2025

    86 °F

Climate (2020–Present)

Boston, Logan International Airport (4.3 miles)

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  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    61.1 °F
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