Boston Weather Forecast

    • 59
    • 78

    Becoming Sunny

    • 60
    • 82

    Mostly Sunny

    • 63
    • 82

    Mostly Sunny

    • 67
    • 88

    Mostly Sunny

    • 70
    • 90

    Mostly Sunny

    • 73
    • 94

    Partly Sunny

Today 7 Aug Suffolk

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the upper 70s. East Winds 5 to 10 Mph.

Tonight 7 Aug Suffolk

Mostly clear. Lows in the upper 50s. Southeast Winds around 5 Mph, becoming southwest after midnight.

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Boston Temperature Statistics

August Temperature

Boston, Logan International Airport (2.5 miles)

  • Lowest 1 August, 2025

    60.7 °F

  • Average August

    69 °F

  • Highest 4 August, 2025

    82 °F

Climate (2020–Present)

Boston, Logan International Airport (2.5 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    61.1 °F
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