Weymouth Weather Forecast

    • 55
    • 71

    Mostly Cloudy

    • 58
    • 72

    Chance Rain Showers

    • 60
    • 78

    Chance Rain Showers

    • 52
    • 78

    Mostly Sunny

    • 49
    • 67

    Mostly Sunny

    • 52
    • 72

    Mostly Sunny

Today 16 Sep Eastern Norfolk

Mostly sunny. Near steady temperature in the upper 60s. East Winds 5 to 10 Mph.

Tonight 16 Sep Eastern Norfolk

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 50s. East Winds around 5 Mph.

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Weymouth Temperature Statistics

September Temperature

Boston, Logan International Airport (9.9 miles)

  • Lowest 9 September, 2025

    54 °F

  • Average September

    65.7 °F

  • Highest 6 September, 2025

    86 °F

Climate (2020–Present)

Boston, Logan International Airport (9.9 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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