Cottonwood Bay Weather Forecast

    • 72
    • 100

    Hot

    • 73
    • 103

    Hot

    • 74
    • 100

    Hot

    • 68
    • 94

    Partly Sunny

    • 63
    • 93

    Mostly Sunny

    • 59
    • 89

    Mostly Sunny

    • 59
    • 85

    Mostly Sunny

Today 25 Aug West Side Mountains north of 198

Partly sunny early in the morning then clearing. Highs 93 to 101. North Winds up to 10 Mph.

Tonight 25 Aug West Side Mountains north of 198

Mostly clear. Lows 72 to 78. 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

    66.1 °F

  • Highest 22 August, 2026

    93.2 °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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