Onset Beach Weather Forecast

    • 64
    • 81

    Areas Smoke

    • 64
    • 78

    Mostly Sunny

    • 70
    • 76

    Rain Showers

    • 66
    • 80

    Slight Chance Rain Showers

    • 68
    • 79

    Partly Sunny

    • 69
    • 79

    Rain Showers Likely

Today 16 Jul Southern Plymouth

Sunny. Patchy smoke. Highs in the upper 80s. West Winds 10 to 15 Mph. Gusts up to 25 Mph in the afternoon.

Tonight 16 Jul Southern Plymouth

Mostly clear. Near steady temperature in the upper 60s. West Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Onset Beach Temperature Statistics

July Temperature

Otis Air National Guard Base (9.3 miles)

  • Lowest 12 July, 2026

    59 °F

  • Average July

    73.2 °F

  • Highest 3 July, 2026

    91.4 °F

Climate (2021–2026)

Otis Air National Guard Base (9.3 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    59.1 °F
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