Cottonwood Bay Weather Forecast

    • 54
    • 81

    Mostly Sunny

    • 61
    • 79

    Sunny

    • 58
    • 84

    Sunny

    • 61
    • 91

    Sunny

    • 63
    • 93

    Sunny

    • 62
    • 95

    Sunny

Today 16 May West Side Mountains north of 198

Breezy, sunny. Highs 73 to 81. Northwest Winds 10 to 25 Mph. Gusts up to 45 Mph in the morning.

Tonight 16 May West Side Mountains north of 198

Breezy. Mostly clear. Lows 50 to 56. West Winds 10 to 25 Mph with Gusts to around 40 Mph.

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Cottonwood Bay Temperature Statistics

May Temperature

Hollister, CA (21.1 miles)

  • Lowest 9 May, 2026

    44.6 °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

    72.6 °F
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