Seabrook Weather Forecast

    • 70
    • 73

    Slight Chance Rain Showers

    • 60
    • 79

    Chance Rain Showers

    • 61
    • 73

    Mostly Sunny

    • 64
    • 71

    Mostly Sunny

    • 66
    • 74

    Partly Sunny

Today 9 Sep Barnstable

Partly sunny. Highs in the mid 70s. South Winds 10 to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 9 Sep Barnstable

Mostly cloudy. A chance of Showers after midnight. Not as cool and humid. Near steady temperature around 70. Southwest Winds 15 to 20 Mph. Gusts up to 30 Mph, increasing to 40 Mph after midnight. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seabrook Temperature Statistics

September Temperature

Otis Air National Guard Base (4.3 miles)

  • Lowest 6 September, 2026

    55.4 °F

  • Average September

    66.4 °F

  • Highest 4 September, 2026

    80.6 °F

Climate (2021–2026)

Otis Air National Guard Base (4.3 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    59.1 °F
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