Onset Beach Weather Forecast

    • 51
    • 74

    Decreasing Clouds

    • 48
    • 60

    Mostly Sunny

    • 45
    • 66

    Rain Showers

    • 38
    • 51

    Mostly Sunny

    • 45
    • 55

    Mostly Sunny

    • 51
    • 61

    Partly Sunny

Today 14 Oct Southern Plymouth

Mostly sunny. Not as cool with Highs in the upper 70s. West Winds around 10 Mph with Gusts up to 25 Mph.

Tonight 14 Oct Southern Plymouth

Mostly clear. Cooler. Less humid with Lows in the upper 40s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Onset Beach Temperature Statistics

October Temperature

Otis Air National Guard Base (9.3 miles)

  • Lowest 7 October, 2026

    35.6 °F

  • Average October

    57.8 °F

  • Highest 2 October, 2026

    77 °F

Climate (2021–2026)

Otis Air National Guard Base (9.3 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    59 °F
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