Onslow Beach Weather Forecast

    • 42
    • 54

    Mostly Sunny

    • 50
    • 64

    Mostly Cloudy

    • 47
    • 65

    Partly Sunny

    • 55
    • 66

    Mostly Sunny

    • 53
    • 67

    Mostly Sunny

Today 22 Dec Coastal Onslow

Sunny. Highs in the lower 50s. Northeast Winds 10 to 15 Mph.

Tonight 22 Dec Coastal Onslow

Mostly clear. Lows in the upper 30s. Northeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

Onslow Beach Temperature Statistics

December Temperature

MCAS New River (13 miles)

  • Lowest 15 December, 2025

    18 °F

  • Average December

    43.6 °F

  • Highest 19 December, 2025

    71.1 °F

Climate (2020–Present)

MCAS New River (13 miles)

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  • Average Low 2020–2025

    54.5 °F

  • Average 2020–2025

    63.8 °F

  • Average High 2020–2025

    73.5 °F
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