Cottonwood Bay Weather Forecast

    • 66
    • 98

    Hot

    • 66
    • 96

    Mostly Sunny

    • 65
    • 94

    Mostly Sunny

    • 65
    • 93

    Mostly Sunny

    • 64
    • 94

    Mostly Sunny

    • 63
    • 92

    Mostly Sunny

    • 64
    • 92

    Partly Sunny

Today 19 Aug West Side Mountains north of 198

Mostly sunny. Highs 92 to 100. Northwest Winds up to 10 Mph with Gusts to around 25 Mph.

Tonight 19 Aug West Side Mountains north of 198

Partly cloudy. Lows 68 to 76. 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

    65.7 °F

  • Highest 2 August, 2026

    91.4 °F

Climate (2021–2026)

Hollister, CA (21.1 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    72.7 °F
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