San Luis Reservoir SPB Weather Forecast

    • 52
    • 78

    Mostly Sunny

    • 58
    • 76

    Rain Likely

    • 53
    • 61

    Rain Showers Likely

    • 50
    • 64

    Slight Chance Thunderstorms

    • 53
    • 70

    Mostly Sunny

    • 54
    • 72

    Partly Sunny

    • 56
    • 71

    Mostly Sunny

Today 19 Apr West Side Mountains north of 198

Mostly cloudy early in the morning then clearing. Highs 73 to 83. Southwest Winds up to 15 Mph.

Tonight 19 Apr West Side Mountains north of 198

Mostly clear. Lows in the upper 40s. Southwest Winds up to 15 Mph. Gusts up to 30 Mph in the evening.

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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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