San Luis Reservoir SPB Weather Forecast

    • 72
    • 96

    Increasing Clouds

    • 69
    • 89

    Mostly Sunny

    • 67
    • 88

    Mostly Sunny

    • 64
    • 85

    Partly Sunny

    • 62
    • 81

    Partly Sunny

    • 63
    • 80

    Mostly Sunny

    • 63
    • 82

    Mostly Sunny

Today 9 Aug West Side Mountains north of 198

Sunny. Highs 97 to 107. South Winds up to 5 Mph shifting to the northwest with Gusts to around 25 Mph in the afternoon.

Tonight 9 Aug West Side Mountains north of 198

Clear in the evening then becoming partly cloudy. Lows 72 to 80. West Winds up to 10 Mph with Gusts to around 25 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

    66.6 °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

    72.7 °F
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