Onslow Beach Weather Forecast

    • 76
    • 83

    Chance Thunderstorms

    • 78
    • 87

    Rain Showers

    • 75
    • 88

    Mostly Sunny

    • 75
    • 86

    Sunny

    • 78
    • 86

    Mostly Sunny

    • 80
    • 86

    Chance Thunderstorms

    • 80
    • 86

    Chance Thunderstorms

Today 27 Jul Coastal Onslow

Partly sunny with a chance of Showers and Thunderstorms. Highs in the upper 80s. South Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 27 Jul Coastal Onslow

Mostly cloudy with a slight chance of Showers and Thunderstorms this Evening, then partly cloudy after midnight. Lows in the lower 70s. South Winds 5 to 10 Mph, becoming southwest after midnight. Chance of rain 20 percent.

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Onslow Beach Temperature Statistics

July Temperature

MCAS New River (13 miles)

  • Lowest 1 July, 2026

    75 °F

  • Average July

    83.8 °F

  • Highest 9 July, 2026

    97.3 °F

Climate (2021–2026)

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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