San Francisco, CA Weather & Growing Conditions
Overnight
56°F
Mostly Cloudy
Mostly cloudy, with a low around 56. Southwest wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Mostly Cloudy | 7 mph SW | 1% |
| Tuesday | 70°F | Haze then Mostly Sunny | 6 to 13 mph SW | 1% |
| Tuesday Night | 57°F | Mostly Cloudy | 6 to 12 mph SW | 1% |
| Wednesday | 70°F | Mostly Sunny | 6 to 12 mph WSW | 1% |
| Wednesday Night | 57°F | Mostly Cloudy | 5 to 12 mph WSW | 0% |
| Thursday | 69°F | Mostly Sunny | 5 to 12 mph WSW | 0% |
| Thursday Night | 57°F | Partly Cloudy | 5 to 12 mph WSW | 0% |
| Friday | 73°F | Mostly Sunny | 5 to 15 mph WSW | 0% |
| Friday Night | 58°F | Partly Cloudy | 6 to 15 mph WSW | 0% |
| Saturday | 69°F | Mostly Sunny | 5 to 14 mph WSW | 0% |
| Saturday Night | 59°F | Partly Cloudy | 8 to 14 mph WSW | 0% |
| Sunday | 67°F | Sunny | 8 to 17 mph WSW | 0% |
| Sunday Night | 58°F | Partly Cloudy | 12 to 17 mph WSW | 0% |
| Monday | 65°F | Mostly Sunny | 10 to 17 mph WSW | 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 (2.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.