Cottonwood Bay Weather Forecast

    • 72
    • 103

    Hot

    • 70
    • 101

    Hot

    • 65
    • 98

    Hot

    • 66
    • 95

    Mostly Sunny

    • 65
    • 96

    Mostly Sunny

    • 63
    • 94

    Mostly Sunny

Today 31 Aug West Side Mountains north of 198

Sunny. Highs 94 to 102. Northwest Winds 5 to 15 Mph.

Tonight 31 Aug West Side Mountains north of 198

Clear. Lows 72 to 78. West Winds up to 10 Mph.

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Cottonwood Bay Temperature Statistics

August Temperature

Hollister, CA (21.1 miles)

  • Lowest 5 August, 2025

    48.2 °F

  • Average August

    66.3 °F

  • Highest 21 August, 2025

    100.4 °F

Climate (2020–Present)

Hollister, CA (21.1 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    57.5 °F

  • Average High 2020–2025

    72.5 °F
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