Cottonwood Bay Weather Forecast

    • 47
    • 65

    Slight Chance Thunderstorms

    • 51
    • 73

    Mostly Sunny

    • 51
    • 72

    Mostly Cloudy

    • 50
    • 67

    Partly Sunny

    • 49
    • 69

    Partly Sunny

    • 52
    • 72

    Partly Sunny

Today 22 Apr West Side Mountains north of 198

Mostly sunny. Highs 58 to 66. Southwest Winds up to 10 Mph shifting to the northwest in the afternoon.

Tonight 22 Apr West Side Mountains north of 198

Mostly clear. Lows 43 to 49. Northwest Winds 5 to 15 Mph.

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Cottonwood Bay Temperature Statistics

April Temperature

Hollister, CA (21.1 miles)

  • Lowest 3 April, 2026

    37.4 °F

  • Average April

    59.1 °F

  • Highest 5 April, 2026

    87.8 °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

    72.7 °F
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