San Francisco, CA Weather & Growing Conditions
Today
69°F
Mostly Sunny
Mostly sunny. High near 69, with temperatures falling to around 66 in the afternoon. Southwest wind 5 to 15 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Mostly Sunny | 5 to 15 mph SW | 0% |
| Tonight | 57°F | Mostly Cloudy | 8 to 14 mph WSW | 0% |
| Sunday | 63°F | Mostly Cloudy | 7 to 13 mph WSW | 1% |
| Sunday Night | 57°F | Mostly Cloudy | 7 to 13 mph WSW | 1% |
| Monday | 64°F | Partly Sunny | 7 to 14 mph WSW | 2% |
| Monday Night | 58°F | Mostly Cloudy | 7 to 14 mph SW | 2% |
| Tuesday | 66°F | Partly Sunny | 6 to 13 mph SW | 0% |
| Tuesday Night | 57°F | Partly Cloudy | 5 to 13 mph SW | 0% |
| Wednesday | 73°F | Mostly Sunny | 2 to 12 mph WSW | 0% |
| Wednesday Night | 58°F | Partly Cloudy | 2 to 12 mph WSW | 0% |
| Thursday | 76°F | Mostly Sunny | 2 to 13 mph WSW | 0% |
| Thursday Night | 60°F | Partly Cloudy | 6 to 13 mph WSW | 0% |
| Friday | 70°F | Mostly Sunny | 5 to 14 mph WSW | 0% |
| Friday Night | 58°F | Partly Cloudy | 7 to 14 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 (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.