Twitchell Reservoir Weather Forecast

    • 54
    • 81

    Mostly Sunny

    • 51
    • 80

    Mostly Sunny

    • 52
    • 73

    Partly Sunny

    • 50
    • 78

    Mostly Sunny

    • 49
    • 72

    Mostly Sunny

    • 48
    • 72

    Partly Sunny

Today 31 May Santa Barbara County Interior Mountains

Sunny. Highs from the upper 70s to mid 80s at low Elevations to the upper 60s to mid 70s at high Elevations. Northeast Winds around 15 Mph in the morning.

Tonight 31 May Santa Barbara County Interior Mountains

Clear. Lows in the 50s to lower 60s. North Winds around 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Twitchell Reservoir Temperature Statistics

May Temperature

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

  • Lowest 18 May, 2026

    44.7 °F

  • Average May

    60 °F

  • Highest 19 May, 2026

    85.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    48.2 °F

  • Average 2021–2026

    57.3 °F

  • Average High 2021–2026

    69.4 °F
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