Downtown (Boston) Weather Forecast

    • 60
    • 66

    Rain Likely

    • 59
    • 71

    Slight Chance Rain

    • 60
    • 76

    Mostly Sunny

    • 63
    • 82

    Partly Sunny

    • 66
    • 81

    Chance Rain Showers

    • 62
    • 80

    Chance Rain Showers

Today 20 Aug Suffolk

Partly sunny with a slight chance of rain in the Morning, then mostly cloudy with a chance of rain in the afternoon. Highs in the mid 60s. East Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 20 Aug Suffolk

Mostly cloudy. Rain Likely, mainly in the evening. Lows around 60. East Winds 5 to 10 Mph. Chance of rain 70 percent.

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Downtown (Boston) Temperature Statistics

August Temperature

Boston, Logan International Airport (1.9 miles)

  • Lowest 1 August, 2025

    60.7 °F

  • Average August

    73 °F

  • Highest 17 August, 2025

    91.9 °F

Climate (2020–Present)

Boston, Logan International Airport (1.9 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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