Onslow Beach Weather Forecast

    • 74
    • 83

    Sunny

    • 75
    • 85

    Mostly Sunny

    • 75
    • 86

    Slight Chance Thunderstorms

    • 69
    • 85

    Chance Thunderstorms

    • 66
    • 79

    Chance Rain Showers

    • 69
    • 79

    Chance Rain Showers

Today 4 Sep Coastal Onslow

Sunny. Highs in the mid 80s. West Winds around 5 Mph, becoming south this afternoon.

Tonight 4 Sep Coastal Onslow

Clear. Lows around 70. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Onslow Beach Temperature Statistics

September Temperature

MCAS New River (13 miles)

  • Lowest 1 September, 2025

    61 °F

  • Average September

    70.5 °F

  • Highest 1 September, 2025

    82 °F

Climate (2020–Present)

MCAS New River (13 miles)

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  • Average Low 2020–2025

    54.7 °F

  • Average 2020–2025

    63.9 °F

  • Average High 2020–2025

    73.7 °F
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