Onslow Beach Weather Forecast

    • 78
    • 85

    Slight Chance Thunderstorms

    • 80
    • 85

    Slight Chance Thunderstorms

    • 78
    • 86

    Mostly Sunny

    • 78
    • 84

    Slight Chance Thunderstorms

    • 79
    • 86

    Chance Thunderstorms

    • 80
    • 87

    Chance Thunderstorms

    • 81
    • 88

    Partly Sunny

Today 5 Aug Coastal Onslow

Partly sunny with a 20 percent chance of Showers. Highs in the mid 80s. South Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 5 Aug Coastal Onslow

Mostly clear. A slight chance of Showers after midnight. Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Onslow Beach Temperature Statistics

August Temperature

MCAS New River (13 miles)

  • Lowest 3 August, 2026

    77 °F

  • Average August

    80.6 °F

  • Highest 3 August, 2026

    88 °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

    73.6 °F
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