Yes
you do need a jacket based on the weather in San Francisco, CA, USA 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
54°F12°C & Clear
Wind is 4 mph7 km/h from the West, gusting to 7 mph11 km/h
| June 22 | ||||
| 5am | 54°F12°C | 4 mph7 km/h West | Clear | |
| 6am | 53°F12°C | 2 mph3 km/h West | Clear | |
| 7am | 52°F11°C | 3 mph5 km/h Southwest | Clear | |
| 8am | 52°F11°C | 4 mph6 km/h West | Clear | |
| 9am | 52°F11°C | 4 mph7 km/h West | Clear | |
| 10am | 54°F12°C | 3 mph5 km/h West | Clear | |
| 11am | 57°F14°C | 3 mph4 km/h West | Clear | |
| 12pm | 59°F15°C | 3 mph5 km/h West | Clear | |
| 1pm | 63°F17°C | 4 mph7 km/h West | Clear | |
| 2pm | 65°F18°C | 6 mph10 km/h West | Clear | |
| 3pm | 67°F19°C | 8 mph13 km/h West | Clear | |
| 4pm | 68°F20°C | 10 mph16 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 22 | 52°F11°C | 68°F20°C | 8 mph13 km/h from West | Clear | Mostly Clear |
| June 23 | 52°F11°C | 67°F19°C | 8 mph13 km/h from Southwest | Mostly Clear | Mostly Cloudy |
| June 24 | 53°F11°C | 62°F17°C | 10 mph17 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| June 25 | 54°F12°C | 65°F18°C | 8 mph13 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| June 26 | 55°F13°C | 71°F22°C | 8 mph12 km/h from West | Clear | Mostly Clear |
| June 27 | 55°F13°C | 66°F19°C | 9 mph15 km/h from Southwest | Mostly Clear | Partly Cloudy |
| June 28 | 55°F13°C | 66°F19°C | 8 mph13 km/h from Southwest | Mostly Clear | Mostly Clear |
Yes
Low of 53°F12°C, High of 67°F20°CWind: 8 mph13 km/h
Precipitation: None