Onslow Beach Weather Forecast

    • 82
    • 92

    Slight Chance Thunderstorms

    • 78
    • 89

    Chance Thunderstorms

    • 77
    • 85

    Chance Thunderstorms

    • 77
    • 84

    Mostly Sunny

    • 78
    • 85

    Slight Chance Thunderstorms

    • 80
    • 87

    Slight Chance Thunderstorms

Today 20 Jul Coastal Onslow

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Hot with Highs in the mid 90s. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph this afternoon. Chance of rain 20 percent. Heat index Values up to 109.

Tonight 20 Jul Coastal Onslow

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows around 80. Southwest Winds 10 to 15 Mph. Chance of rain 20 percent. 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 2 July, 2025

    72.9 °F

  • Average July

    82.7 °F

  • Highest 10 July, 2025

    95 °F

Climate (2020–Present)

MCAS New River (13 miles)

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  • Average Low 2020–2025

    54.8 °F

  • Average 2020–2025

    64 °F

  • Average High 2020–2025

    73.8 °F
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