Onset Beach Weather Forecast

    • 50
    • 61

    Slight Chance Thunderstorms

    • 46
    • 64

    Chance Rain Showers

    • 46
    • 52

    Mostly Cloudy

    • 36
    • 54

    Rain Showers Likely

    • 32
    • 45

    Partly Sunny

    • 41
    • 47

    Partly Sunny

Today 16 Apr Southern Plymouth

Mostly sunny and cooler. Near steady temperature in the mid 60s. South Winds around 5 Mph.

Tonight 16 Apr Southern Plymouth

Mostly cloudy. A slight chance of Showers and Thunderstorms after midnight. Lows in the lower 50s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Onset Beach Temperature Statistics

April Temperature

Otis Air National Guard Base (9.3 miles)

  • Lowest 9 April, 2026

    21.2 °F

  • Average April

    44.1 °F

  • Highest 10 April, 2026

    59 °F

Climate (2021–Present)

Otis Air National Guard Base (9.3 miles)

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

  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    59.1 °F
Get WillyWeather+ to remove ads