San Francisco, CA Weather & Growing Conditions
Today
66°F
Sunny
Sunny. High near 66, with temperatures falling to around 64 in the afternoon. North northwest wind 3 to 13 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Sunny | 3 to 13 mph NNW | 1% |
| Tonight | 53°F | Mostly Cloudy | 1 to 12 mph NNW | 1% |
| Thursday | 68°F | Sunny | 2 to 8 mph NNW | 0% |
| Thursday Night | 54°F | Mostly Clear | 1 to 8 mph N | 0% |
| Friday | 69°F | Mostly Sunny | 2 to 7 mph N | 0% |
| Friday Night | 54°F | Mostly Clear | 0 to 7 mph NNE | 0% |
| Saturday | 73°F | Sunny | 5 mph NNE | 0% |
| Saturday Night | 55°F | Mostly Clear | 5 mph NW | 0% |
| Sunday | 69°F | Mostly Sunny | 2 to 6 mph NNW | 0% |
| Sunday Night | 56°F | Partly Cloudy | 2 to 6 mph NW | 0% |
| Monday | 68°F | Partly Sunny | 2 to 7 mph NW | 0% |
| Monday Night | 56°F | Partly Cloudy | 2 to 7 mph NW | 1% |
| Tuesday | 68°F | Patchy Fog then Mostly Sunny | 2 to 7 mph NNW | 1% |
| Tuesday Night | 57°F | Partly Cloudy | 2 to 7 mph W | 10% |
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 (0.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.