Port of Boston Weather Forecast

    • 61
    • 86

    Chance Rain Showers

    • 56
    • 65

    Mostly Sunny

    • 60
    • 68

    Slight Chance Rain Showers

    • 61
    • 69

    Chance Rain Showers

    • 61
    • 70

    Slight Chance Rain Showers

    • 64
    • 77

    Mostly Sunny

    • 67
    • 79

    Mostly Sunny

Today 17 Aug Suffolk

Partly sunny. Hot. Near steady temperature in the upper 80s. Southwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 17 Aug Suffolk

Mostly cloudy. A chance of Showers with isolated Thunderstorms in the Evening, then a slight chance of Showers after midnight. Lows in the lower 60s. West Winds 10 to 15 Mph, becoming northeast after midnight. Gusts up to 25 Mph. Chance of rain 40 percent.

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Port of Boston Temperature Statistics

August Temperature

Boston, Logan International Airport (1.2 miles)

  • Lowest 1 August, 2025

    60.7 °F

  • Average August

    72.6 °F

  • Highest 12 August, 2025

    91.7 °F

Climate (2020–Present)

Boston, Logan International Airport (1.2 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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