Alta Mesa Weather Forecast

    • 47
    • 66

    Sunny

    • 48
    • 65

    Mostly Sunny

    • 52
    • 67

    Partly Sunny

    • 54
    • 76

    Mostly Sunny

    • 55
    • 78

    Partly Sunny

    • 56
    • 78

    Mostly Sunny

Today 5 Dec Santa Barbara County Southeastern Coast

Sunny. Highs in the lower to mid 60s.

Tonight 5 Dec Santa Barbara County Southeastern Coast

Clear. Lows in the 40s to lower 50s.

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Alta Mesa Temperature Statistics

December Temperature

Santa Barbara, Santa Barbara Municipal Airport (6.8 miles)

  • Lowest 2 December, 2025

    43 °F

  • Average December

    54.5 °F

  • Highest 1 December, 2025

    66 °F

Climate (2020–Present)

Santa Barbara, Santa Barbara Municipal Airport (6.8 miles)

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  • Average Low 2020–2025

    51.1 °F

  • Average 2020–2025

    60.2 °F

  • Average High 2020–2025

    69.5 °F
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