Coosaw Weather Forecast

    • 40
    • 67

    Becoming Sunny

    • 45
    • 60

    Mostly Sunny

    • 50
    • 70

    Mostly Sunny

    • 47
    • 70

    Partly Sunny

    • 51
    • 70

    Mostly Sunny

    • 54
    • 72

    Mostly Sunny

Today 21 Dec Beaufort

Patchy fog in the morning. Mostly sunny. Highs in the mid 60s. Northwest Winds around 5 Mph.

Tonight 21 Dec Beaufort

Mostly clear. Patchy fog. Lows in the upper 30s, except in the lower 40s near the coast. Light and variable Winds.

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Coosaw Temperature Statistics

December Temperature

Beaufort, Marine Corps Air Station (5 miles)

  • Lowest 15 December, 2025

    24.1 °F
  • Average December

    47.7 °F
  • Highest 13 December, 2025

    71.1 °F

Climate (2020–Present)

Beaufort, Marine Corps Air Station (5 miles)

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  • Average Low 2020–2025

    59.2 °F
  • Average 2020–2025

    68.3 °F
  • Average High 2020–2025

    78.3 °F
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