Stonybrook Weather Forecast

    • 51
    • 79

    Mostly Sunny

    • 50
    • 65

    Partly Sunny

    • 56
    • 66

    Rain Showers Likely

    • 53
    • 66

    Slight Chance Rain Showers

    • 53
    • 60

    Partly Sunny

    • 51
    • 61

    Partly Sunny

Today 18 Sep Suffolk

Sunny. Patchy fog this morning. Highs in the upper 70s. Northwest Winds 5 to 10 Mph.

Tonight 18 Sep Suffolk

Mostly clear in the Evening, then becoming partly cloudy. Much cooler. Less humid with Lows in the lower 50s. North Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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Stonybrook Temperature Statistics

September Temperature

Boston, Logan International Airport (6.2 miles)

  • Lowest 15 September, 2026

    54 °F

  • Average September

    69.2 °F

  • Highest 10 September, 2026

    87.7 °F

Climate (2021–2026)

Boston, Logan International Airport (6.2 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    61 °F
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