Onslow Beach Weather Forecast

    • 73
    • 83

    Mostly Sunny

    • 74
    • 86

    Slight Chance Thunderstorms

    • 75
    • 83

    Chance Thunderstorms

    • 76
    • 85

    Slight Chance Thunderstorms

    • 75
    • 85

    Chance Thunderstorms

    • 73
    • 83

    Rain Showers Likely

Today 17 Sep Coastal Onslow

Sunny. Highs in the mid 80s. North Winds around 5 Mph, becoming southeast.

Tonight 17 Sep Coastal Onslow

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 60s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Onslow Beach Temperature Statistics

September Temperature

MCAS New River (13 miles)

  • Lowest 8 September, 2026

    66 °F

  • Average September

    79.7 °F

  • Highest 5 September, 2026

    96.1 °F

Climate (2021–2026)

MCAS New River (13 miles)

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  • Average Low 2021–2026

    54.5 °F

  • Average 2021–2026

    63.9 °F

  • Average High 2021–2026

    73.6 °F
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