Cottonwood Bay Weather Forecast

    • 57
    • 83

    Mostly Sunny

    • 56
    • 79

    Mostly Sunny

    • 60
    • 82

    Mostly Sunny

    • 62
    • 83

    Mostly Sunny

    • 60
    • 83

    Mostly Sunny

    • 61
    • 84

    Mostly Sunny

    • 65
    • 86

    Mostly Sunny

Today 31 Aug West Side Mountains north of 198

Sunny. Highs 78 to 88. West Winds 5 to 15 Mph with Gusts to around 40 Mph.

Tonight 31 Aug West Side Mountains north of 198

Cooler. Mostly clear. Lows 52 to 60. West Winds 5 to 15 Mph with Gusts to around 35 Mph.

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Cottonwood Bay Temperature Statistics

August Temperature

Hollister, CA (21.1 miles)

  • Lowest 1 August, 2026

    51.8 °F

  • Average August

    67.1 °F

  • Highest 26 August, 2026

    98.6 °F

Climate (2021–2026)

Hollister, CA (21.1 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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