San Francisco, CA Weather & Growing Conditions
Overnight
57°F
Mostly Cloudy
Mostly cloudy, with a low around 57. West southwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Mostly Cloudy | 6 mph WSW | 1% |
| Tuesday | 75°F | Haze then Sunny | 5 to 13 mph WSW | 1% |
| Tuesday Night | 58°F | Partly Cloudy | 5 to 12 mph WSW | 1% |
| Wednesday | 74°F | Mostly Sunny | 5 to 10 mph WSW | 1% |
| Wednesday Night | 58°F | Partly Cloudy | 2 to 10 mph WSW | 0% |
| Thursday | 73°F | Mostly Sunny | 2 to 12 mph WSW | 0% |
| Thursday Night | 58°F | Partly Cloudy | 3 to 12 mph WSW | 0% |
| Friday | 77°F | Mostly Sunny | 3 to 12 mph WSW | 0% |
| Friday Night | 59°F | Partly Cloudy | 5 to 12 mph WSW | 0% |
| Saturday | 72°F | Mostly Sunny | 5 to 10 mph WSW | 0% |
| Saturday Night | 60°F | Partly Cloudy | 7 to 10 mph WSW | 0% |
| Sunday | 70°F | Sunny | 7 to 14 mph WSW | 0% |
| Sunday Night | 59°F | Partly Cloudy | 9 to 14 mph WSW | 0% |
| Monday | 68°F | Mostly Sunny | 9 to 14 mph SW | 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 (0.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.