Cottonwood Bay Weather Forecast

    • 58
    • 90

    Breezy

    • 58
    • 84

    Mostly Sunny

    • 61
    • 89

    Mostly Sunny

    • 60
    • 88

    Mostly Sunny

    • 60
    • 88

    Mostly Sunny

    • 62
    • 90

    Mostly Sunny

Today 12 Sep West Side Mountains north of 198

Sunny. Highs 85 to 93. West Winds up to 15 Mph with Gusts to around 35 Mph.

Tonight 12 Sep West Side Mountains north of 198

Clear. Lows in the upper 50s. West Winds 5 to 15 Mph. Gusts up to 40 Mph decreasing to 30 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Cottonwood Bay Temperature Statistics

September Temperature

Hollister, CA (21.1 miles)

  • Lowest 2 September, 2026

    50 °F

  • Average September

    69.7 °F

  • Highest 9 September, 2026

    105.8 °F

Climate (2021–2026)

Hollister, CA (21.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    72.8 °F
Get WillyWeather+ to remove ads