Cottonwood Bay Weather Forecast
- 53
- 58
Chance Rain
- 55
- 58
Rain Likely
- 54
- 57
Rain Likely
- 53
- 55
Rain Likely
- 49
- 55
Rain
- 51
- 53
Rain
Today 19 Dec West Side Mountains north of 198
Partly sunny. Areas of fog early in the morning. Patchy fog late in the morning. A 20 percent chance of rain late in the afternoon. Highs in the upper 50s. South Winds up to 5 Mph shifting to the northwest in the afternoon.
Tonight 19 Dec West Side Mountains north of 198
Mostly cloudy with a 50 percent chance of rain. Patchy fog after midnight. Near steady temperature in the lower 50s. Southwest Winds up to 5 Mph.
Cottonwood Bay Temperature Statistics
December Temperature
Hollister, CA (21.1 miles)
Lowest 4 December, 2025
33.8 °FAverage December
47.4 °FHighest 17 December, 2025
71.6 °F
Climate (2020–Present)
Hollister, CA (21.1 miles)
Average Low 2020–2025
46.3 °FAverage 2020–2025
57.6 °FAverage High 2020–2025
72.4 °F