Cottonwood Bay Weather Forecast

    • 53
    • 73

    Mostly Sunny

    • 54
    • 80

    Sunny

    • 60
    • 87

    Sunny

    • 61
    • 92

    Mostly Sunny

    • 59
    • 91

    Mostly Sunny

    • 60
    • 91

    Sunny

    • 58
    • 89

    Sunny

Today 29 May West Side Mountains north of 198

Warmer. Mostly sunny. Highs 66 to 74. West Winds up to 10 Mph with Gusts to around 25 Mph.

Tonight 29 May West Side Mountains north of 198

Mostly clear. Lows 50 to 56. West Winds 5 to 15 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

    60.6 °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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