Santa Maria River Mouth Weather Forecast

    • 54
    • 68

    Rain Likely

    • 56
    • 65

    Rain

    • 56
    • 63

    Rain

    • 54
    • 63

    Rain

    • 51
    • 61

    Rain Likely

    • 49
    • 61

    Chance Rain

    • 49
    • 61

    Chance Rain

Today 30 Dec Santa Barbara County Central Coast Beaches

Cloudy. A 20 percent chance of Showers in the morning. Highs around 70.

Tonight 30 Dec Santa Barbara County Central Coast Beaches

Cloudy. A slight chance of Showers in the Evening, then a chance of rain after midnight. Lows in the lower to mid 50s. Chance of precipitation 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Santa Maria River Mouth Temperature Statistics

December Temperature

Santa Maria Public Airport/Capt G Allan Hancock Field (12.4 miles)

  • Lowest 28 December, 2025

    37 °F

  • Average December

    55.5 °F

  • Highest 9 December, 2025

    81 °F

Climate (2020–Present)

Santa Maria Public Airport/Capt G Allan Hancock Field (12.4 miles)

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  • Average Low 2020–2025

    48 °F

  • Average 2020–2025

    56.7 °F

  • Average High 2020–2025

    68.8 °F
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