Cottonwood Bay Weather Forecast

    • 61
    • 95

    Sunny

    • 57
    • 91

    Sunny

    • 55
    • 86

    Mostly Sunny

    • 54
    • 84

    Mostly Sunny

    • 53
    • 81

    Mostly Sunny

    • 52
    • 77

    Sunny

Today 21 May West Side Mountains north of 198

Sunny. Highs 87 to 95. North Winds up to 10 Mph. Gusts up to 25 Mph in the afternoon.

Tonight 21 May West Side Mountains north of 198

Clear. Lows 61 to 69. 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

    60.7 °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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