San Francisco, CA Weather & Growing Conditions
Today
64°F
Mostly Sunny
Mostly sunny. High near 64, with temperatures falling to around 61 in the afternoon. North wind 6 to 15 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Mostly Sunny | 6 to 15 mph N | 2% |
| Tonight | 53°F | Mostly Cloudy | 5 to 14 mph NNW | 2% |
| Thursday | 66°F | Mostly Sunny | 5 to 8 mph NNW | 0% |
| Thursday Night | 53°F | Mostly Clear | 5 to 8 mph NNW | 0% |
| Friday | 68°F | Mostly Sunny | 7 mph NNW | 0% |
| Friday Night | 53°F | Mostly Clear | 2 to 7 mph N | 0% |
| Saturday | 70°F | Sunny | 5 to 8 mph NNE | 0% |
| Saturday Night | 55°F | Partly Cloudy | 8 mph NW | 0% |
| Sunday | 67°F | Mostly Sunny | 8 mph NNW | 0% |
| Sunday Night | 56°F | Mostly Cloudy | 5 to 8 mph NW | 0% |
| Monday | 66°F | Partly Sunny | 6 to 10 mph NW | 3% |
| Monday Night | 56°F | Partly Cloudy | 5 to 10 mph NW | 3% |
| Tuesday | 66°F | Mostly Sunny | 5 to 9 mph NNW | 7% |
| Tuesday Night | 57°F | Slight Chance Light Rain | 9 mph WSW | 16% |
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 (2.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.