San Luis Reservoir SPB Weather Forecast

    • 50
    • 67

    Mostly Sunny

    • 53
    • 72

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

    • 57
    • 80

    Mostly Sunny

    • 58
    • 82

    Partly Sunny

    • 56
    • 80

    Partly Sunny

    • 57
    • 75

    Mostly Sunny

Today 27 Apr West Side Mountains north of 198

Mostly sunny. Highs 58 to 68. Northwest Winds up to 10 Mph.

Tonight 27 Apr West Side Mountains north of 198

Mostly clear. Lows in the mid 40s. West Winds up to 15 Mph.

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San Luis Reservoir SPB Temperature Statistics

April Temperature

Hollister, CA (19.3 miles)

  • Lowest 3 April, 2026

    37.4 °F

  • Average April

    59.1 °F

  • Highest 5 April, 2026

    87.8 °F

Climate (2021–Present)

Hollister, CA (19.3 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    72.7 °F
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