Galestown Weather Forecast

    • 74
    • 87

    Rain Showers

    • 66
    • 85

    Rain Showers

    • 62
    • 79

    Mostly Sunny

    • 64
    • 80

    Mostly Cloudy

    • 64
    • 81

    Partly Sunny

    • 69
    • 85

    Mostly Sunny

Today 21 Jul Dorchester

Mostly cloudy with a chance of Showers and Thunderstorms. Humid with Highs in the upper 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent. Heat index Values up to 100.

Tonight 21 Jul Dorchester

Showers. Thunderstorms Likely, mainly in the evening. Humid with Lows in the mid 70s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

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Galestown Temperature Statistics

July Temperature

Cambridge-Dorchester Airport (16.8 miles)

  • Lowest 13 July, 2026

    62.6 °F

  • Average July

    80.9 °F

  • Highest 2 July, 2026

    98.6 °F

Climate (2021–2026)

Cambridge-Dorchester Airport (16.8 miles)

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  • Average Low 2021–2026

    49.1 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    66.7 °F
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