San Luis Reservoir SPB Weather Forecast

    • 57
    • 80

    Sunny

    • 58
    • 82

    Partly Sunny

    • 55
    • 76

    Mostly Cloudy

    • 56
    • 70

    Partly Sunny

    • 55
    • 67

    Partly Sunny

    • 55
    • 72

    Partly Sunny

Today 30 Apr West Side Mountains north of 198

Sunny. Highs 76 to 84. Northwest Winds up to 15 Mph.

Tonight 30 Apr West Side Mountains north of 198

Clear. Lows 54 to 60. West Winds 5 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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