Yes
you do need a jacket based on the weather in San Francisco, CA 94123, USA 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
57°F14°C & Mostly Cloudy
Wind is 11 mph17 km/h from the Southwest, gusting to 16 mph26 km/h
| July 12 | ||||
| 2am | 57°F14°C | 11 mph18 km/h Southwest | Mostly Cloudy | |
| 3am | 56°F13°C | 11 mph18 km/h Southwest | Mostly Cloudy | |
| 4am | 56°F13°C | 11 mph18 km/h Southwest | Cloudy | |
| 5am | 55°F13°C | 11 mph18 km/h Southwest | Cloudy | |
| 6am | 55°F13°C | 11 mph18 km/h Southwest | Cloudy | |
| 7am | 55°F13°C | 11 mph17 km/h Southwest | Cloudy | |
| 8am | 55°F13°C | 10 mph16 km/h Southwest | Cloudy | |
| 9am | 56°F13°C | 8 mph13 km/h Southwest | Cloudy | |
| 10am | 56°F13°C | 8 mph13 km/h Southwest | Mostly Cloudy | |
| 11am | 57°F14°C | 8 mph13 km/h Southwest | Mostly Cloudy | |
| 12pm | 59°F15°C | 8 mph13 km/h Southwest | Mostly Cloudy | |
| 1pm | 61°F16°C | 9 mph14 km/h Southwest | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 11 | 55°F13°C | 63°F17°C | 9 mph14 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| July 12 | 55°F13°C | 67°F19°C | 10 mph17 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| July 13 | 56°F13°C | 67°F19°C | 9 mph14 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| July 14 | 56°F13°C | 67°F19°C | 8 mph13 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| July 15 | 57°F14°C | 66°F19°C | 11 mph17 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| July 16 | 58°F14°C | 66°F19°C | 10 mph16 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| July 17 | 58°F14°C | 67°F20°C | 9 mph15 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
Yes
Low of 55°F13°C, High of 67°F20°CWind: 10 mph17 km/h
Precipitation: None