Cottonwood Bay Weather Forecast

    • 55
    • 90

    Sunny

    • 54
    • 85

    Mostly Sunny

    • 54
    • 83

    Mostly Sunny

    • 53
    • 81

    Mostly Sunny

    • 54
    • 78

    Sunny

Today 22 May West Side Mountains north of 198

Sunny. Highs 83 to 93. West Winds up to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 22 May West Side Mountains north of 198

Mostly clear. Lows 55 to 63. West Winds 5 to 15 Mph with Gusts to around 30 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

    61 °F

  • Highest 19 May, 2026

    89.6 °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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