Onslow Beach Weather Forecast

    • 82
    • 88

    Breezy

    • 80
    • 88

    Rain Showers Likely

    • 81
    • 87

    Rain Showers Likely

    • 83
    • 87

    Chance Thunderstorms

    • 77
    • 87

    Rain Showers

    • 76
    • 84

    Rain Showers Likely

Today 18 Jul Coastal Onslow

Mostly sunny with isolated Showers and Thunderstorms. Breezy with Highs in the mid 90s, except around 90 near the Beaches. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent. Heat index Values up to 109.

Tonight 18 Jul Coastal Onslow

Mostly clear in the Evening, then becoming partly cloudy. Breezy with Lows around 80. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Heat index Values up to 105 early in the evening.

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Onslow Beach Temperature Statistics

July Temperature

MCAS New River (13 miles)

  • Lowest 1 July, 2026

    75 °F

  • Average July

    83.9 °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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