North Topsail Beach Weather Forecast

    • 68
    • 81

    Decreasing Clouds

    • 68
    • 84

    Mostly Sunny

    • 69
    • 83

    Mostly Sunny

    • 70
    • 82

    Chance Rain Showers

    • 69
    • 82

    Chance Rain Showers

    • 68
    • 83

    Slight Chance Thunderstorms

Today 18 Sep Coastal Onslow

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the mid 80s. North Winds around 5 Mph, becoming southwest around 5 Mph in the afternoon.

Tonight 18 Sep Coastal Onslow

Mostly cloudy. Lows in the lower 60s. North Winds around 5 Mph.

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North Topsail Beach Temperature Statistics

September Temperature

MCAS New River (14.9 miles)

  • Lowest 1 September, 2025

    61 °F

  • Average September

    71.9 °F

  • Highest 6 September, 2025

    89.1 °F

Climate (2020–Present)

MCAS New River (14.9 miles)

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  • Average Low 2020–2025

    54.7 °F

  • Average 2020–2025

    63.9 °F

  • Average High 2020–2025

    73.6 °F
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