Cottonwood Bay Weather Forecast

    • 53
    • 80

    Sunny

    • 57
    • 87

    Sunny

    • 56
    • 88

    Sunny

    • 54
    • 79

    Breezy

    • 58
    • 82

    Sunny

    • 60
    • 88

    Sunny

Today 13 May West Side Mountains north of 198

Sunny. Highs 75 to 83. West Winds 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 13 May West Side Mountains north of 198

Clear. Lows 52 to 58. West Winds 5 to 15 Mph. Gusts up to 30 Mph in the evening.

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Cottonwood Bay Temperature Statistics

May Temperature

Hollister, CA (21.1 miles)

  • Lowest 9 May, 2026

    44.6 °F

  • Average May

    59.6 °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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