Cottonwood Bay Weather Forecast

    • 61
    • 88

    Sunny

    • 61
    • 92

    Mostly Sunny

    • 61
    • 95

    Sunny

    • 58
    • 92

    Sunny

    • 56
    • 88

    Mostly Sunny

    • 56
    • 87

    Mostly Sunny

Today 19 May West Side Mountains north of 198

Sunny. Highs 80 to 88. North Winds up to 10 Mph.

Tonight 19 May West Side Mountains north of 198

Clear. Lows 59 to 65. West Winds 5 to 10 Mph.

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Cottonwood Bay Temperature Statistics

May Temperature

Hollister, CA (21.1 miles)

  • Lowest 14 May, 2026

    42.8 °F

  • Average May

    59.7 °F

  • Highest 7 May, 2026

    80.6 °F

Climate (2021–Present)

Hollister, CA (21.1 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    72.7 °F
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