San Luis Reservoir SPB Weather Forecast

    • 55
    • 62

    Decreasing Clouds

    • 57
    • 67

    Mostly Sunny

    • 60
    • 70

    Mostly Sunny

    • 61
    • 74

    Sunny

    • 58
    • 74

    Mostly Sunny

    • 59
    • 70

    Mostly Sunny

    • 58
    • 70

    Mostly Sunny

Today 15 Oct West Side Mountains north of 198

Warmer, sunny. Highs 57 to 65. Southwest Winds up to 5 Mph shifting to the north in the afternoon.

Tonight 15 Oct West Side Mountains north of 198

Mostly clear. Lows 45 to 53. Northwest Winds up to 5 Mph.

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San Luis Reservoir SPB Temperature Statistics

October Temperature

Hollister, CA (19.3 miles)

  • Lowest 12 October, 2025

    44.6 °F

  • Average October

    62.1 °F

  • Highest 6 October, 2025

    89.6 °F

Climate (2020–Present)

Hollister, CA (19.3 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    57.5 °F

  • Average High 2020–2025

    72.5 °F
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