San Luis Reservoir SPB Weather Forecast
- 73
- 88
Sunny
- 72
- 91
Sunny
- 72
- 92
Mostly Sunny
- 70
- 82
Chance Rain
- 68
- 82
Slight Chance Rain
- 69
- 83
Mostly Sunny
- 69
- 85
Mostly Sunny
Today 15 Sep West Side Mountains north of 198
Sunny. Highs 85 to 93. Northeast Winds up to 10 Mph.
Tonight 15 Sep West Side Mountains north of 198
Clear. Lows 67 to 73. West Winds up to 5 Mph.
San Luis Reservoir SPB Temperature Statistics
September Temperature
Hollister, CA (19.3 miles)
Lowest 7 September, 2025
53.6 °FAverage September
66.7 °FHighest 1 September, 2025
100.4 °F
Climate (2020–Present)
Hollister, CA (19.3 miles)
Average Low 2020–2025
46.1 °FAverage 2020–2025
57.6 °FAverage High 2020–2025
72.6 °F