Prospect Hill Weather Forecast

    • 63
    • 79

    Increasing Clouds

    • 66
    • 79

    Chance Rain Showers

    • 52
    • 77

    Partly Sunny

    • 52
    • 66

    Chance Rain Showers

    • 54
    • 67

    Chance Rain Showers

    • 55
    • 67

    Chance Rain Showers

Today 16 Sep Southeast Middlesex

Mostly sunny. Not as cool with Highs in the upper 70s. Southwest Winds 5 to 10 Mph.

Tonight 16 Sep Southeast Middlesex

Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 60. Southwest Winds around 5 Mph, becoming west around 5 Mph after midnight.

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  • Temperature Real-Time

Prospect Hill Temperature Statistics

September Temperature

Boston, Logan International Airport (4.3 miles)

  • Lowest 12 September, 2026

    56.6 °F

  • Average September

    69.8 °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

    46.7 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    61 °F
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