San Francisco, CA Weather & Growing Conditions
Tonight
57°F
Mostly Cloudy
Mostly cloudy, with a low around 57. West southwest wind 9 to 14 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Mostly Cloudy | 9 to 14 mph WSW | 1% |
| Sunday | 62°F | Mostly Cloudy | 8 to 13 mph WSW | 1% |
| Sunday Night | 57°F | Mostly Cloudy | 8 to 13 mph WSW | 1% |
| Monday | 62°F | Partly Sunny | 8 to 14 mph WSW | 2% |
| Monday Night | 58°F | Mostly Cloudy | 8 to 14 mph WSW | 2% |
| Tuesday | 64°F | Partly Sunny | 7 to 14 mph WSW | 0% |
| Tuesday Night | 58°F | Partly Cloudy | 5 to 14 mph WSW | 0% |
| Wednesday | 70°F | Mostly Sunny | 2 to 13 mph WSW | 0% |
| Wednesday Night | 59°F | Partly Cloudy | 2 to 13 mph W | 0% |
| Thursday | 72°F | Mostly Sunny | 2 to 14 mph W | 0% |
| Thursday Night | 60°F | Partly Cloudy | 8 to 14 mph W | 0% |
| Friday | 68°F | Mostly Sunny | 7 to 16 mph W | 0% |
| Friday Night | 59°F | Partly Cloudy | 9 to 16 mph W | 1% |
| Saturday | 65°F | Mostly Sunny | 9 to 15 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for San Francisco, CA
Growing season
365 days
Hardiness zone
10b
Explore more for San Francisco, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, San Francisco Dwtn, Ca (2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.