Yes
you do need a jacket based on the weather in San Francisco, CA, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool.
55°F13°C & Cloudy
Wind is 10 mph16 km/h from the S, gusting to 17 mph28 km/h
| April 23 | ||||
| 12pm | 56°F13°C | 10 mph17 km/h S | Cloudy | |
| 1pm | 57°F14°C | 11 mph17 km/h S | Mostly Cloudy | |
| 2pm | 58°F15°C | 11 mph18 km/h S | Mostly Cloudy | |
| 3pm | 59°F15°C | 12 mph19 km/h S | Partly Cloudy | |
| 4pm | 60°F16°C | 12 mph20 km/h SW | Partly Cloudy | |
| 5pm | 61°F16°C | 13 mph20 km/h SW | Partly Cloudy | |
| 6pm | 61°F16°C | 13 mph21 km/h SW | Partly Cloudy | |
| 7pm | 60°F16°C | 13 mph22 km/h SW | Mostly Clear | |
| 8pm | 59°F15°C | 14 mph22 km/h SW | Mostly Clear | |
| 9pm | 58°F15°C | 13 mph21 km/h SW | Partly Cloudy | |
| 10pm | 57°F14°C | 12 mph20 km/h SW | Partly Cloudy | |
| 11pm | 56°F13°C | 10 mph17 km/h SW | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 23 | 54°F12°C | 61°F16°C | 12 mph19 km/h from SW | Partly Cloudy | Mostly Cloudy |
| April 24 | 52°F11°C | 61°F16°C | 8 mph13 km/h from SW | Mostly Cloudy | Partly Cloudy |
| April 25 | 51°F11°C | 59°F15°C | 14 mph23 km/h from W | Mostly Cloudy | Mostly Cloudy |
| April 26 | 52°F11°C | 60°F16°C | 16 mph26 km/h from W | Windy | Mostly Clear |
| April 27 | 50°F10°C | 62°F17°C | 11 mph17 km/h from W | Mostly Clear | Mostly Clear |
| April 28 | 51°F11°C | 62°F17°C | 12 mph19 km/h from W | Mostly Clear | Mostly Clear |
| April 29 | 51°F10°C | 62°F17°C | 10 mph16 km/h from W | Clear | Mostly Clear |
Yes
Low of 52°F11°C, High of 61°F16°CWind: 8 mph13 km/h
Precipitation: None