Santa Maria River Mouth Weather Forecast

    • 64
    • 85

    Mostly Sunny

    • 61
    • 79

    Partly Sunny

    • 59
    • 73

    Mostly Cloudy

    • 58
    • 64

    Breezy

    • 58
    • 65

    Breezy

    • 57
    • 64

    Partly Sunny

Today 9 Sep Santa Barbara County Central Coast Beaches

Partly cloudy with a 20 percent chance of Showers in the Morning, then sunny in the afternoon. Highs from the lower to mid 80s at the Beaches to the lower to mid 90s inland. Northwest Winds around 15 Mph in the afternoon.

Tonight 9 Sep Santa Barbara County Central Coast Beaches

Mostly clear in the evening then partly cloudy. Lows in the upper 50s and 60s. Northwest Winds around 15 Mph in the evening.

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Santa Maria River Mouth Temperature Statistics

September Temperature

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

  • Lowest 1 September, 2026

    52.6 °F
  • Average September

    65.8 °F
  • Highest 5 September, 2026

    82.7 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    48.3 °F
  • Average 2021–2026

    57.6 °F
  • Average High 2021–2026

    69.5 °F
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