Yes
you do need a jacket based on the weather in San Francisco, CA 94117, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool.
56°F13°C & Mostly Cloudy
Wind is 9 mph14 km/h from the W, gusting to 16 mph25 km/h
| April 25 | ||||
| 1pm | 57°F14°C | 10 mph16 km/h W | Mostly Cloudy | |
| 2pm | 59°F15°C | 13 mph21 km/h W | Partly Cloudy | |
| 3pm | 60°F15°C | 15 mph24 km/h W | Windy | |
| 4pm | 60°F16°C | 17 mph28 km/h W | Windy | |
| 5pm | 60°F15°C | 18 mph29 km/h W | Windy | |
| 6pm | 59°F15°C | 18 mph28 km/h W | Windy | |
| 7pm | 58°F15°C | 18 mph28 km/h W | Windy | |
| 8pm | 58°F14°C | 17 mph28 km/h W | Windy | |
| 9pm | 56°F14°C | 16 mph26 km/h W | Windy | |
| 10pm | 56°F13°C | 15 mph24 km/h W | Windy | |
| 11pm | 55°F13°C | 14 mph22 km/h W | Mostly Cloudy | |
| April 26 | ||||
| 12am | 55°F13°C | 13 mph21 km/h W | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 25 | 52°F11°C | 60°F16°C | 14 mph23 km/h from W | Mostly Cloudy | Mostly Cloudy |
| April 26 | 52°F11°C | 60°F16°C | 17 mph27 km/h from W | Windy | Mostly Clear |
| April 27 | 49°F10°C | 61°F16°C | 11 mph18 km/h from W | Mostly Clear | Mostly Clear |
| April 28 | 51°F11°C | 63°F17°C | 12 mph19 km/h from W | Clear | Clear |
| April 29 | 50°F10°C | 63°F17°C | 6 mph10 km/h from W | Clear | Clear |
| April 30 | 50°F10°C | 64°F18°C | 7 mph12 km/h from W | Clear | Mostly Clear |
| May 1 | 50°F10°C | 61°F16°C | 11 mph18 km/h from W | Mostly Clear | Mostly Clear |
Yes
Low of 52°F11°C, High of 60°F16°CWind: 17 mph27 km/h
Precipitation: 13% rain