Cottonwood Bay Weather Forecast

    • 43
    • 50

    Decreasing Clouds

    • 42
    • 57

    Increasing Clouds

    • 40
    • 55

    Partly Sunny

    • 42
    • 55

    Mostly Cloudy

    • 41
    • 57

    Partly Sunny

    • 45
    • 56

    Mostly Cloudy

    • 44
    • 56

    Mostly Cloudy

Today 22 Jan West Side Mountains north of 198

Partly sunny. Highs 50 to 60. Northeast Winds up to 5 Mph.

Tonight 22 Jan West Side Mountains north of 198

Partly cloudy. Patchy fog after midnight. Lows in the mid 40s. West Winds up to 5 Mph.

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Cottonwood Bay Temperature Statistics

January Temperature

Hollister, CA (21.1 miles)

  • Lowest 10 January, 2026

    28.4 °F
  • Average January

    50.4 °F
  • Highest 15 January, 2026

    71.6 °F

Climate (2021–Present)

Hollister, CA (21.1 miles)

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  • Average Low 2021–2026

    46.4 °F
  • Average 2021–2026

    57.6 °F
  • Average High 2021–2026

    72.3 °F
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