Yes
you do need a jacket based on the weather in San Francisco, CA, USA 1 second ago
Why? Because it's drizzling and it's not very warm out and it's so windy, you’re practically horizontal just trying to walk!
53°F12°C & Drizzle
Wind is 14 mph23 km/h from the West, gusting to 27 mph43 km/h
| March 17 | ||||
| 2pm | 53°F12°C | 15 mph24 km/h West | Mostly Clear | |
| 3pm | 54°F12°C | 16 mph25 km/h West | Windy | |
| 4pm | 54°F12°C | 17 mph27 km/h West | Windy | |
| 5pm | 54°F12°C | 18 mph28 km/h West | Windy | |
| 6pm | 53°F12°C | 17 mph28 km/h West | Windy | |
| 7pm | 53°F12°C | 18 mph29 km/h West | Windy | |
| 8pm | 53°F11°C | 17 mph28 km/h West | Windy | |
| 9pm | 52°F11°C | 18 mph28 km/h West | Windy | |
| 10pm | 51°F11°C | 18 mph29 km/h Northwest | Windy | |
| 11pm | 51°F10°C | 17 mph27 km/h Northwest | Windy | |
| March 18 | ||||
| 12am | 50°F10°C | 16 mph26 km/h Northwest | Windy | |
| 1am | 49°F9°C | 15 mph24 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 17 | 47°F8°C | 54°F12°C | 14 mph23 km/h from West | Drizzle | Clear |
| March 18 | 44°F7°C | 57°F14°C | 5 mph9 km/h from Northwest | Mostly Clear | Partly Cloudy |
| March 19 | 45°F7°C | 57°F14°C | 6 mph9 km/h from Southwest | Cloudy | Drizzle |
| March 20 | 47°F8°C | 59°F15°C | 6 mph9 km/h from Northwest | Partly Cloudy | Partly Cloudy |
| March 21 | 47°F8°C | 59°F15°C | 7 mph11 km/h from West | Mostly Cloudy | Mostly Cloudy |
| March 22 | 49°F9°C | 62°F17°C | 6 mph10 km/h from West | Mostly Cloudy | Partly Cloudy |
| March 23 | 49°F9°C | 66°F19°C | 4 mph7 km/h from West | Mostly Clear | Partly Cloudy |
Yes
Low of 44°F7°C, High of 57°F14°CWind: 5 mph9 km/h
Precipitation: None