San Francisco, CA Weather & Growing Conditions
Today
66°F
Mostly Sunny
Mostly sunny. High near 66, with temperatures falling to around 63 in the afternoon. North northwest wind 5 to 15 mph, with gusts as high as 22 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Mostly Sunny | 5 to 15 mph NNW | 1% |
| Tonight | 52°F | Mostly Cloudy | 3 to 15 mph NNW | 1% |
| Thursday | 69°F | Sunny | 2 to 9 mph NNW | 0% |
| Thursday Night | 53°F | Mostly Clear | 3 to 9 mph N | 0% |
| Friday | 69°F | Mostly Sunny | 3 to 8 mph N | 0% |
| Friday Night | 52°F | Mostly Clear | 2 to 8 mph N | 0% |
| Saturday | 74°F | Sunny | 7 mph NNE | 0% |
| Saturday Night | 54°F | Mostly Clear | 6 mph NW | 0% |
| Sunday | 72°F | Mostly Sunny | 3 to 7 mph NNW | 0% |
| Sunday Night | 54°F | Partly Cloudy | 3 to 7 mph NW | 0% |
| Monday | 71°F | Partly Sunny | 3 to 9 mph NW | 0% |
| Monday Night | 54°F | Partly Cloudy | 2 to 9 mph NW | 1% |
| Tuesday | 70°F | Mostly Sunny | 2 to 8 mph NNW | 2% |
| Tuesday Night | 55°F | Partly Cloudy | 3 to 8 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 (1.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.