Onslow Beach Weather Forecast

    • 79
    • 87

    Mostly Sunny

    • 79
    • 87

    Mostly Sunny

    • 79
    • 89

    Mostly Sunny

    • 75
    • 89

    Rain Showers Likely

    • 73
    • 84

    Chance Thunderstorms

    • 74
    • 82

    Slight Chance Thunderstorms

Today 2 Sep Coastal Onslow

Sunny. Isolated Showers and Thunderstorms this afternoon. Highs in the lower 90s. Southwest Winds 5 to 10 Mph, becoming south this afternoon. Chance of rain 20 percent. Heat index Values up to 107.

Tonight 2 Sep Coastal Onslow

Partly cloudy in the Evening, then becoming mostly clear. Lows in the mid 70s. Southwest Winds 5 to 10 Mph. Heat index Values up to 102 early in the evening.

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Onslow Beach Temperature Statistics

September Temperature

MCAS New River (13 miles)

  • Lowest

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  • Average September

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Climate (2021–2026)

MCAS New River (13 miles)

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  • Average Low 2021–2026

    54.4 °F

  • Average 2021–2026

    63.8 °F

  • Average High 2021–2026

    73.5 °F
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