San Juan Bautista Weather Forecast

    • 50
    • 74

    Mostly Sunny

    • 52
    • 80

    Mostly Sunny

    • 53
    • 77

    Partly Sunny

    • 53
    • 76

    Mostly Sunny

    • 53
    • 79

    Mostly Sunny

    • 54
    • 81

    Mostly Sunny

Today 13 Sep Northern Salinas Valley/Hollister Valley and Carmel Valley

Sunny. Highs in the upper 60s to mid 70s. West Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 13 Sep Northern Salinas Valley/Hollister Valley and Carmel Valley

Partly cloudy. Lows in the lower 50s. West Winds 10 to 20 Mph. Becoming east 5 to 10 Mph after midnight.

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San Juan Bautista Temperature Statistics

September Temperature

Hollister, CA (7.5 miles)

  • Lowest 2 September, 2026

    50 °F

  • Average September

    69.5 °F

  • Highest 9 September, 2026

    105.8 °F

Climate (2021–2026)

Hollister, CA (7.5 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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