San Luis Reservoir SPB Weather Forecast

    • 58
    • 77

    Rain Likely

    • 52
    • 61

    Rain Showers Likely

    • 49
    • 65

    Partly Sunny

    • 53
    • 70

    Mostly Sunny

    • 55
    • 72

    Partly Sunny

    • 55
    • 69

    Partly Sunny

    • 55
    • 68

    Partly Sunny

Today 20 Apr West Side Mountains north of 198

Sunny with a 50 percent chance of rain. Highs 70 to 80. Southwest Winds up to 10 Mph with Gusts to around 25 Mph increasing to 10 to 20 Mph with Gusts to around 35 Mph in the afternoon.

Tonight 20 Apr West Side Mountains north of 198

Chance of rain Showers in the evening. Slight chance of Thunderstorms through the night. Rain Showers after midnight. Lows 50 to 56. Southwest Winds 5 to 15 Mph with Gusts to around 35 Mph. Chance of precipitation 90 percent.

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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

    59.2 °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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