More Mesa Beach Weather Forecast

    • 64
    • 81

    Rain Showers Likely

    • 63
    • 75

    Rain Showers

    • 60
    • 71

    Chance Rain Showers

    • 61
    • 74

    Mostly Sunny

    • 61
    • 76

    Patchy Fog

    • 62
    • 77

    Cloudy

    • 60
    • 75

    Mostly Sunny

Today 17 Sep Santa Barbara County Southeastern Coast

Partly cloudy in the Morning, becoming mostly cloudy with a 20 percent chance of Showers in the afternoon. Highs in the mid 70s to mid 80s.

Tonight 17 Sep Santa Barbara County Southeastern Coast

A slight chance of Showers in the Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Lows in the lower to mid 60s. West Winds around 15 Mph in the evening. Chance of precipitation 60 percent.

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More Mesa Beach Temperature Statistics

September Temperature

Santa Barbara, Santa Barbara Municipal Airport (2.5 miles)

  • Lowest 7 September, 2025

    57 °F

  • Average September

    68 °F

  • Highest 7 September, 2025

    81 °F

Climate (2020–Present)

Santa Barbara, Santa Barbara Municipal Airport (2.5 miles)

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  • Average Low 2020–2025

    51 °F

  • Average 2020–2025

    60.2 °F

  • Average High 2020–2025

    69.5 °F
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