Hollister Weather Forecast

    • 54
    • 72

    Increasing Clouds

    • 54
    • 74

    Partly Sunny

    • 54
    • 82

    Mostly Sunny

    • 55
    • 83

    Partly Sunny

    • 55
    • 78

    Partly Sunny

    • 57
    • 80

    Mostly Sunny

    • 59
    • 87

    Mostly Sunny

Today 16 Sep Northern Salinas Valley/Hollister Valley and Carmel Valley

Partly cloudy in the morning then becoming sunny. Highs in the mid 70s to upper 80s.

Tonight 16 Sep Northern Salinas Valley/Hollister Valley and Carmel Valley

Mostly cloudy. A slight chance of drizzle after midnight. Lows in the lower 50s. West Winds 10 to 20 Mph becoming south 5 to 10 Mph after midnight.

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Hollister Temperature Statistics

September Temperature

Hollister, CA (2.5 miles)

  • Lowest 14 September, 2026

    48.2 °F

  • Average September

    68.7 °F

  • Highest 9 September, 2026

    105.8 °F

Climate (2021–2026)

Hollister, CA (2.5 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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