San Luis Reservoir SPB Weather Forecast

    • 71
    • 91

    Increasing Clouds

    • 69
    • 90

    Becoming Sunny

    • 72
    • 91

    Partly Sunny

    • 72
    • 92

    Mostly Sunny

    • 70
    • 90

    Partly Sunny

    • 68
    • 88

    Mostly Sunny

    • 66
    • 87

    Mostly Sunny

Today 23 Aug West Side Mountains north of 198

Mostly sunny. Highs 92 to 100. North Winds up to 10 Mph.

Tonight 23 Aug West Side Mountains north of 198

Mostly cloudy early in the evening then becoming partly cloudy. Lows 71 to 77. West Winds up to 10 Mph.

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San Luis Reservoir SPB Temperature Statistics

August Temperature

Hollister, CA (19.3 miles)

  • Lowest 1 August, 2026

    51.8 °F

  • Average August

    65.7 °F

  • Highest 2 August, 2026

    91.4 °F

Climate (2021–2026)

Hollister, CA (19.3 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    72.8 °F
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