San Francisco, CA Weather & Growing Conditions
This Afternoon
66°F
Mostly Sunny
Mostly sunny. High near 66, with temperatures falling to around 62 in the afternoon. Northwest wind 7 to 14 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Mostly Sunny | 7 to 14 mph NW | 1% |
| Tonight | 52°F | Mostly Cloudy | 6 to 14 mph N | 1% |
| Thursday | 68°F | Mostly Sunny | 3 to 8 mph NW | 0% |
| Thursday Night | 52°F | Partly Cloudy | 3 to 8 mph NNW | 0% |
| Friday | 69°F | Mostly Sunny | 7 mph N | 0% |
| Friday Night | 53°F | Mostly Clear | 2 to 7 mph NNW | 0% |
| Saturday | 73°F | Sunny | 7 mph N | 0% |
| Saturday Night | 54°F | Partly Cloudy | 7 mph NNW | 0% |
| Sunday | 71°F | Mostly Sunny | 7 mph NNW | 0% |
| Sunday Night | 55°F | Partly Cloudy | 7 mph NW | 0% |
| Monday | 70°F | Partly Sunny | 5 to 8 mph NW | 0% |
| Monday Night | 54°F | Partly Cloudy | 3 to 8 mph NW | 1% |
| Tuesday | 70°F | Mostly Sunny | 3 to 7 mph NNW | 2% |
| Tuesday Night | 55°F | Partly Cloudy | 7 mph W | 10% |
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 (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.