Cottonwood Bay Weather Forecast

    • 65
    • 90

    Becoming Sunny

    • 60
    • 89

    Sunny

    • 58
    • 86

    Mostly Sunny

    • 56
    • 82

    Mostly Sunny

    • 58
    • 82

    Mostly Sunny

    • 61
    • 85

    Mostly Sunny

Today 28 Aug West Side Mountains north of 198

Mostly cloudy with a 20 percent chance of rain in the Morning, then mostly sunny in the afternoon. Highs 84 to 92. Northwest Winds 5 to 10 Mph.

Tonight 28 Aug West Side Mountains north of 198

Partly cloudy in the evening then clearing. Lows 65 to 71. West Winds up to 10 Mph with Gusts to around 25 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

    66.7 °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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