Onslow Beach Weather Forecast

    • 77
    • 85

    Chance Thunderstorms

    • 77
    • 87

    Mostly Sunny

    • 78
    • 87

    Mostly Sunny

    • 79
    • 88

    Mostly Sunny

    • 79
    • 88

    Mostly Sunny

    • 79
    • 88

    Chance Thunderstorms

Today 30 Aug Coastal Onslow

Partly sunny with a chance of Showers and Thunderstorms. Highs in the upper 80s. Northeast Winds around 5 Mph, becoming southeast this afternoon. Chance of rain 40 percent.

Tonight 30 Aug Coastal Onslow

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 70s. South Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Onslow Beach Temperature Statistics

August Temperature

MCAS New River (13 miles)

  • Lowest 27 August, 2026

    72 °F

  • Average August

    83.5 °F

  • Highest 17 August, 2026

    97 °F

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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