Cottonwood Bay Weather Forecast

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    Rain

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    Rain

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    Rain

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    Rain/Snow

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    Rain

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    Rain Likely

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    Chance Rain

Today 31 Dec West Side Mountains north of 198

Chance of rain in the Morning, then rain in the afternoon. Near steady temperature in the upper 40s. Southeast Winds up to 10 Mph with Gusts to around 35 Mph. Chance of rain near 100 percent.

Tonight 31 Dec West Side Mountains north of 198

Rain until early Morning, then rain Showers and slight chance of Thunderstorms late in the night. Near steady temperature in the upper 40s. East Winds up to 10 Mph with Gusts to around 35 Mph. Chance of precipitation near 100 percent.

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Cottonwood Bay Temperature Statistics

December Temperature

Hollister, CA (21.1 miles)

  • Lowest 4 December, 2025

    33.8 °F

  • Average December

    50.5 °F

  • Highest 17 December, 2025

    71.6 °F

Climate (2021–Present)

Hollister, CA (21.1 miles)

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  • Average Low 2021–2025

    46.4 °F

  • Average 2021–2025

    57.6 °F

  • Average High 2021–2025

    72.4 °F
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