Cottonwood Bay Weather Forecast

    • 39
    • 52

    Increasing Clouds

    • 38
    • 48

    Partly Sunny

    • 38
    • 48

    Mostly Sunny

    • 39
    • 50

    Partly Sunny

    • 43
    • 50

    Chance Rain

    • 45
    • 49

    Chance Rain

Today 27 Dec West Side Mountains north of 198

Partly sunny in the morning then clearing. Highs in the upper 40s. Northeast Winds up to 10 Mph.

Tonight 27 Dec West Side Mountains north of 198

Mostly clear. Lows in the upper 30s. North Winds up to 5 Mph.

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Cottonwood Bay Temperature Statistics

December Temperature

Hollister, CA (21.1 miles)

  • Lowest 4 December, 2025

    33.8 °F

  • Average December

    50.8 °F

  • Highest 17 December, 2025

    71.6 °F

Climate (2020–Present)

Hollister, CA (21.1 miles)

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  • Average Low 2020–2025

    46.4 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    72.4 °F
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