San Francisco, CA Weather & Growing Conditions
Today
63°F
Mostly Sunny
Mostly sunny. High near 63, with temperatures falling to around 61 in the afternoon. North northwest wind 6 to 15 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Mostly Sunny | 6 to 15 mph NNW | 1% |
| Tonight | 54°F | Mostly Cloudy | 7 to 16 mph NNW | 1% |
| Thursday | 64°F | Sunny | 5 to 9 mph NW | 0% |
| Thursday Night | 54°F | Partly Cloudy | 5 to 9 mph NNW | 0% |
| Friday | 65°F | Mostly Sunny | 7 mph NNW | 0% |
| Friday Night | 55°F | Mostly Clear | 7 mph NNW | 0% |
| Saturday | 68°F | Sunny | 5 to 9 mph NNE | 0% |
| Saturday Night | 56°F | Partly Cloudy | 5 to 9 mph NW | 0% |
| Sunday | 68°F | Mostly Sunny | 7 mph NNW | 0% |
| Sunday Night | 56°F | Partly Cloudy | 8 mph NW | 0% |
| Monday | 66°F | Partly Sunny | 6 to 9 mph NW | 0% |
| Monday Night | 56°F | Partly Cloudy | 5 to 9 mph NW | 1% |
| Tuesday | 66°F | Mostly Sunny | 5 to 8 mph NW | 2% |
| Tuesday Night | 56°F | Partly Cloudy | 8 mph WNW | 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 (3.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.