San Bruno, CA Weather & Growing Conditions
Today
76°F
Sunny
Sunny. High near 76, with temperatures falling to around 72 in the afternoon. West southwest wind 5 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Sunny | 5 to 13 mph WSW | 15% |
| Tonight | 57°F | Mostly Clear | 5 to 12 mph WSW | 1% |
| Wednesday | 75°F | Sunny | 5 to 12 mph WSW | 0% |
| Wednesday Night | 58°F | Partly Cloudy | 2 to 12 mph WSW | 0% |
| Thursday | 75°F | Mostly Sunny | 2 to 12 mph WSW | 0% |
| Thursday Night | 58°F | Partly Cloudy | 2 to 12 mph W | 0% |
| Friday | 76°F | Sunny | 2 to 12 mph W | 0% |
| Friday Night | 59°F | Partly Cloudy | 3 to 12 mph WSW | 0% |
| Saturday | 72°F | Mostly Sunny | 3 to 12 mph WSW | 0% |
| Saturday Night | 60°F | Partly Cloudy | 8 to 12 mph WSW | 0% |
| Sunday | 70°F | Sunny | 8 to 14 mph WSW | 0% |
| Sunday Night | 58°F | Partly Cloudy | 9 to 14 mph WSW | 0% |
| Monday | 67°F | Mostly Sunny | 9 to 14 mph WSW | 0% |
| Monday Night | 58°F | Partly Cloudy | 8 to 14 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for San Bruno, CA
Last spring frost
Jan 11
First fall frost
Jan 10
Growing season
365 days
Hardiness zone
10a
Explore more for San Bruno, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Pacifica 4 Sse, Ca (3.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.