Weymouth Weather Forecast

    • 63
    • 87

    Chance Rain Showers

    • 62
    • 77

    Partly Sunny

    • 65
    • 75

    Chance Rain Showers

    • 64
    • 83

    Chance Rain Showers

    • 61
    • 83

    Mostly Sunny

    • 61
    • 82

    Mostly Sunny

Today 20 Aug Eastern Norfolk

Mostly sunny. Highs in the upper 80s. Northwest Winds around 5 Mph.

Tonight 20 Aug Eastern Norfolk

Showers likely. Lows in the lower 60s. North Winds around 5 Mph. Chance of rain 60 percent.

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Weymouth Temperature Statistics

August Temperature

Boston, Logan International Airport (9.9 miles)

  • Lowest 16 August, 2026

    62.7 °F

  • Average August

    78.1 °F

  • Highest 7 August, 2026

    94.6 °F

Climate (2021–2026)

Boston, Logan International Airport (9.9 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    61 °F
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