Boston Harbor - Mystic River Entrance Weather Forecast

    • 66
    • 80

    Increasing Clouds

    • 69
    • 85

    Partly Sunny

    • 63
    • 83

    Rain Showers Likely

    • 63
    • 78

    Partly Sunny

    • 67
    • 83

    Partly Sunny

    • 68
    • 84

    Partly Sunny

Today 26 Aug Suffolk

Sunny in the Morning, then becoming partly sunny. Highs in the upper 70s. North Winds around 5 Mph, becoming east in the afternoon.

Tonight 26 Aug Suffolk

Clear. Near steady temperature in the mid 60s. West Winds around 5 Mph.

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  • Temperature Real-Time

Boston Harbor - Mystic River Entrance Temperature Statistics

August Temperature

Boston, Logan International Airport (2.5 miles)

  • Lowest 16 August, 2026

    62.7 °F

  • Average August

    76.6 °F

  • Highest 7 August, 2026

    94.6 °F

Climate (2021–2026)

Boston, Logan International Airport (2.5 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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