San Bruno Mountain State Park Rainfall Forecast
- 20%
- 45%
- 80%
- 15%
- 5%
- 10%
- 15%
San Bruno Mountain State Park Rainfall Statistics
February Rainfall
San Francisco, San Francisco International Airport (5.6 miles)
Total Rainfall February
3.4inDaily Average February
0.2inWettest Day 17 February, 2026
1inWet Days February
7/22 (32%)
Climate (2010–Present)
San Francisco, San Francisco International Airport (5.6 miles)
Annual Average 2021–2025
20.2inMonthly Average 2021–2026
1.7inDaily Average 2021–2026
0.1inWettest Day 24 October, 2021
4in