Onslow Beach Weather Forecast

    • 81
    • 87

    Chance Thunderstorms

    • 82
    • 87

    Chance Thunderstorms

    • 78
    • 85

    Rain Showers

    • 77
    • 83

    Rain Showers Likely

    • 76
    • 83

    Rain Showers Likely

    • 78
    • 85

    Chance Thunderstorms

    • 80
    • 87

    Chance Thunderstorms

Today 21 Jul Coastal Onslow

Partly sunny with a chance of Thunderstorms with a slight chance of Showers. Breezy with Highs in the upper 80s. South Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 30 percent. Heat index Values up to 104.

Tonight 21 Jul Coastal Onslow

Mostly cloudy and breezy. Lows in the upper 70s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

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Onslow Beach Temperature Statistics

July Temperature

MCAS New River (13 miles)

  • Lowest 1 July, 2026

    75 °F

  • Average July

    84.3 °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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