San Luis Reservoir SPB Weather Forecast

    • 45
    • 58

    Partly Sunny

    • 43
    • 56

    Mostly Sunny

    • 45
    • 53

    Mostly Cloudy

    • 44
    • 57

    Partly Sunny

    • 48
    • 57

    Mostly Cloudy

    • 48
    • 57

    Mostly Cloudy

Today 23 Jan West Side Mountains north of 198

Sunny. Patchy dense fog in the morning. Highs in the upper 50s. Northwest Winds up to 5 Mph shifting to the north in the afternoon.

Tonight 23 Jan West Side Mountains north of 198

Mostly clear. Patchy dense fog after midnight. Lows in the lower 40s. Northwest Winds up to 5 Mph.

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San Luis Reservoir SPB Temperature Statistics

January Temperature

Hollister, CA (19.3 miles)

  • Lowest 10 January, 2026

    28.4 °F

  • Average January

    50.4 °F

  • Highest 15 January, 2026

    71.6 °F

Climate (2021–Present)

Hollister, CA (19.3 miles)

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  • Average Low 2021–2026

    46.4 °F

  • Average 2021–2026

    57.6 °F

  • Average High 2021–2026

    72.3 °F
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