Onslow Beach Weather Forecast

    • 62
    • 67

    Rain Showers

    • 37
    • 69

    Rain Showers

    • 33
    • 46

    Partly Sunny

    • 41
    • 49

    Partly Sunny

    • 44
    • 57

    Partly Sunny

Today 15 Mar Coastal Onslow

Mostly sunny with a slight chance of rain in the Morning, then mostly cloudy with Showers likely with a slight chance of Thunderstorms in the afternoon. Highs in the upper 60s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 60 percent.

Tonight 15 Mar Coastal Onslow

Mostly cloudy with a chance of Thunderstorms. A chance of Showers in the Evening, then Showers likely after midnight. Lows in the lower 60s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

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Onslow Beach Temperature Statistics

March Temperature

MCAS New River (13 miles)

  • Lowest 12 March, 2026

    37.9 °F

  • Average March

    63.3 °F

  • Highest 11 March, 2026

    84.9 °F

Climate (2021–Present)

MCAS New River (13 miles)

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  • Average Low 2021–2026

    54.5 °F

  • Average 2021–2026

    63.8 °F

  • Average High 2021–2026

    73.6 °F
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