Boston Harbor - Boston Main Channel Weather Forecast

    • 63
    • 85

    Chance Rain Showers

    • 62
    • 79

    Mostly Sunny

    • 63
    • 80

    Mostly Sunny

    • 62
    • 79

    Mostly Sunny

    • 64
    • 74

    Partly Sunny

    • 66
    • 78

    Chance Rain Showers

Today 22 Jul Suffolk

Partly sunny. Showers with a chance of Thunderstorms this Morning, then a chance of Showers this afternoon. Patchy fog this morning. Highs in the mid 80s. Southwest Winds 10 to 15 Mph. Chance of rain 30 percent.

Tonight 22 Jul Suffolk

Partly cloudy. A slight chance of Showers in the evening. Less humid with Lows in the lower 60s. West Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 20 percent.

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Boston Harbor - Boston Main Channel Temperature Statistics

July Temperature

Boston, Logan International Airport (0.6 miles)

  • Lowest 8 July, 2026

    61.6 °F

  • Average July

    77.7 °F

  • Highest 2 July, 2026

    101.6 °F

Climate (2021–2026)

Boston, Logan International Airport (0.6 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    61 °F
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