San Francisco, CA Weather & Growing Conditions
This Afternoon
66°F
Mostly Sunny
Mostly sunny. High near 66, with temperatures falling to around 63 in the afternoon. West wind around 14 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Mostly Sunny | 14 mph W | 0% |
| Tonight | 58°F | Mostly Cloudy | 9 to 13 mph W | 1% |
| Sunday | 62°F | Mostly Cloudy | 12 mph W | 1% |
| Sunday Night | 58°F | Mostly Cloudy | 8 to 12 mph WSW | 1% |
| Monday | 62°F | Mostly Cloudy | 8 to 12 mph WSW | 2% |
| Monday Night | 58°F | Mostly Cloudy | 8 to 12 mph WSW | 2% |
| Tuesday | 64°F | Partly Sunny | 7 to 12 mph WSW | 0% |
| Tuesday Night | 57°F | Partly Cloudy | 5 to 12 mph WSW | 0% |
| Wednesday | 70°F | Mostly Sunny | 3 to 10 mph SW | 0% |
| Wednesday Night | 58°F | Partly Cloudy | 2 to 10 mph WSW | 0% |
| Thursday | 72°F | Mostly Sunny | 2 to 12 mph W | 0% |
| Thursday Night | 59°F | Partly Cloudy | 7 to 12 mph W | 0% |
| Friday | 68°F | Mostly Sunny | 8 to 13 mph W | 0% |
| Friday Night | 58°F | Partly Cloudy | 9 to 13 mph W | 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 (2.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.