Pacheco Lake Weather Forecast

    • 57
    • 95

    Mostly Sunny

    • 53
    • 87

    Mostly Sunny

    • 51
    • 80

    Mostly Sunny

    • 51
    • 81

    Mostly Sunny

    • 52
    • 82

    Mostly Sunny

    • 51
    • 78

    Partly Sunny

Today 10 Sep Eastern Santa Clara Hills

Partly cloudy in the morning then becoming sunny. Highs around 90. West Winds 5 to 15 Mph.

Tonight 10 Sep Eastern Santa Clara Hills

Mostly clear. Lows in the mid 70s to lower 80s. West Winds 5 to 10 Mph.

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Pacheco Lake Temperature Statistics

September Temperature

Hollister, CA (13 miles)

  • Lowest 2 September, 2026

    50 °F

  • Average September

    66.7 °F

  • Highest 8 September, 2026

    96.8 °F

Climate (2021–2026)

Hollister, CA (13 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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