Cottonwood Bay Weather Forecast

    • 58
    • 84

    Sunny

    • 62
    • 89

    Sunny

    • 63
    • 93

    Mostly Sunny

    • 62
    • 95

    Sunny

    • 58
    • 91

    Mostly Sunny

    • 56
    • 87

    Mostly Sunny

Today 18 May West Side Mountains north of 198

Sunny. Highs 74 to 84. North Winds 5 to 15 Mph. Gusts up to 40 Mph in the morning.

Tonight 18 May West Side Mountains north of 198

Clear. Lows 55 to 61. 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

    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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