San Francisco, CA Weather & Growing Conditions
Today
70°F
Slight Chance Drizzle then Mostly Sunny
A slight chance of drizzle before 9am. Mostly sunny. High near 70, with temperatures falling to around 67 in the afternoon. Southwest wind 7 to 12 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Slight Chance Drizzle then Mostly Sunny | 7 to 12 mph SW | 15% |
| Tonight | 56°F | Mostly Cloudy | 6 to 9 mph SW | 1% |
| Wednesday | 69°F | Partly Sunny | 9 mph SW | 1% |
| Wednesday Night | 57°F | Mostly Cloudy | 5 to 9 mph WSW | 0% |
| Thursday | 69°F | Partly Sunny | 5 to 10 mph WSW | 0% |
| Thursday Night | 57°F | Mostly Cloudy | 5 to 10 mph W | 0% |
| Friday | 72°F | Partly Sunny | 5 to 12 mph W | 0% |
| Friday Night | 58°F | Mostly Cloudy | 6 to 12 mph WSW | 0% |
| Saturday | 71°F | Partly Sunny | 5 to 10 mph WSW | 0% |
| Saturday Night | 59°F | Partly Cloudy | 10 mph WSW | 0% |
| Sunday | 69°F | Mostly Sunny | 8 to 14 mph WSW | 0% |
| Sunday Night | 58°F | Mostly Cloudy | 9 to 14 mph WSW | 0% |
| Monday | 67°F | Partly Sunny | 9 to 13 mph WSW | 0% |
| Monday Night | 57°F | Mostly Cloudy | 9 to 13 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for San Francisco, CA
Last spring frost
Dec 30
First fall frost
Dec 25
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 Oceanside, Ca (1.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.