Onset Island Weather Forecast

    • 24
    • 43

    Sunny

    • 36
    • 53

    Mostly Sunny

    • 44
    • 50

    Chance Rain Showers

    • 38
    • 53

    Mostly Sunny

    • 43
    • 50

    Mostly Cloudy

    • 50
    • 55

    Mostly Cloudy

Today 8 Apr Southern Plymouth

Sunny. Highs in the mid 40s. North Winds 10 to 15 Mph, becoming northeast this afternoon. Gusts up to 25 Mph.

Tonight 8 Apr Southern Plymouth

Clear, cold with Lows in the lower 20s. Southeast Winds 5 to 10 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Onset Island Temperature Statistics

April Temperature

Otis Air National Guard Base (8.7 miles)

  • Lowest 2 April, 2026

    37.4 °F

  • Average April

    45.6 °F

  • Highest 4 April, 2026

    55.4 °F

Climate (2021–Present)

Otis Air National Guard Base (8.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    59.1 °F
Get WillyWeather+ to remove ads