San Francisco, CA Weather & Growing Conditions
Tonight
58°F
Mostly Cloudy
Mostly cloudy, with a low around 58. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Mostly Cloudy | 6 to 10 mph WSW | 1% |
| Sunday | 66°F | Mostly Cloudy | 6 to 12 mph WSW | 1% |
| Sunday Night | 58°F | Mostly Cloudy | 6 to 12 mph WSW | 1% |
| Monday | 67°F | Mostly Sunny | 6 to 14 mph WSW | 2% |
| Monday Night | 58°F | Mostly Cloudy | 6 to 14 mph SW | 2% |
| Tuesday | 69°F | Mostly Sunny | 5 to 12 mph WSW | 0% |
| Tuesday Night | 58°F | Partly Cloudy | 3 to 12 mph WSW | 0% |
| Wednesday | 74°F | Mostly Sunny | 1 to 9 mph WSW | 0% |
| Wednesday Night | 59°F | Partly Cloudy | 1 to 9 mph WSW | 0% |
| Thursday | 77°F | Mostly Sunny | 1 to 10 mph W | 0% |
| Thursday Night | 60°F | Partly Cloudy | 5 to 10 mph WSW | 0% |
| Friday | 71°F | Mostly Sunny | 5 to 13 mph WSW | 0% |
| Friday Night | 59°F | Partly Cloudy | 6 to 13 mph WSW | 0% |
| Saturday | 68°F | Mostly Sunny | 6 to 12 mph W | 0% |
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 (1.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.