Twitchell Reservoir Weather Forecast

    • 49
    • 66

    Decreasing Clouds

    • 49
    • 70

    Mostly Sunny

    • 53
    • 73

    Sunny

    • 53
    • 78

    Sunny

    • 52
    • 78

    Mostly Sunny

    • 50
    • 77

    Mostly Sunny

Today 25 Oct Santa Barbara County Interior Mountains

Partly cloudy. Fog in the morning. Fog locally dense with visibility one quarter mile or less. Highs in the 70s.

Tonight 25 Oct Santa Barbara County Interior Mountains

Partly cloudy in the evening then mostly clear. Lows in the mid 40s to mid 50s except the upper 30s to mid 40s Colder Valleys and Slopes. Northeast Winds around 15 Mph.

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Twitchell Reservoir Temperature Statistics

October Temperature

Santa Maria Public Airport/Capt G Allan Hancock Field (9.3 miles)

  • Lowest 19 October, 2025

    44.1 °F

  • Average October

    60 °F

  • Highest 17 October, 2025

    81 °F

Climate (2020–Present)

Santa Maria Public Airport/Capt G Allan Hancock Field (9.3 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    56.6 °F

  • Average High 2020–2025

    68.8 °F
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