Twitchell Reservoir Weather Forecast

    • 55
    • 86

    Mostly Sunny

    • 50
    • 86

    Partly Sunny

    • 61
    • 83

    Patchy Fog

    • 55
    • 81

    Patchy Fog

    • 53
    • 74

    Patchy Fog

    • 52
    • 73

    Patchy Fog

Today 21 Aug Santa Barbara County Interior Mountains

Sunny. Highs 95 to 103. East Winds 15 to 25 Mph shifting to the west in the afternoon.

Tonight 21 Aug Santa Barbara County Interior Mountains

Clear. Lows in the upper 60s and 70s.

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Twitchell Reservoir Temperature Statistics

August Temperature

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

  • Lowest 4 August, 2025

    48.7 °F

  • Average August

    61 °F

  • Highest 6 August, 2025

    78.7 °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

    68.9 °F
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