Yes
you do need a jacket based on the weather in San Francisco, CA, USA 12 minutes ago
Why? Because it's cool. Pleasantly cool, but cool!
59°F15°C & Mostly Cloudy
Wind is 6 mph9 km/h from the Southwest, gusting to 10 mph16 km/h
| June 3 | ||||
| 1pm | 60°F16°C | 6 mph9 km/h Southwest | Partly Cloudy | |
| 2pm | 62°F17°C | 7 mph12 km/h Southwest | Mostly Clear | |
| 3pm | 64°F18°C | 9 mph15 km/h Southwest | Mostly Clear | |
| 4pm | 65°F18°C | 11 mph17 km/h Southwest | Mostly Clear | |
| 5pm | 66°F19°C | 12 mph19 km/h West | Mostly Clear | |
| 6pm | 65°F19°C | 13 mph20 km/h West | Mostly Clear | |
| 7pm | 64°F18°C | 13 mph21 km/h West | Mostly Clear | |
| 8pm | 65°F18°C | 11 mph18 km/h West | Mostly Clear | |
| 9pm | 64°F18°C | 11 mph17 km/h West | Mostly Clear | |
| 10pm | 62°F16°C | 10 mph16 km/h West | Mostly Clear | |
| 11pm | 60°F15°C | 9 mph14 km/h West | Mostly Clear | |
| June 4 | ||||
| 12am | 58°F15°C | 8 mph13 km/h Southwest | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 3 | 55°F13°C | 66°F19°C | 9 mph15 km/h from Southwest | Mostly Clear | Partly Cloudy |
| June 4 | 54°F12°C | 67°F19°C | 9 mph15 km/h from Southwest | Mostly Clear | Partly Cloudy |
| June 5 | 55°F13°C | 67°F20°C | 10 mph15 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| June 6 | 55°F13°C | 67°F20°C | 8 mph13 km/h from West | Mostly Clear | Mostly Clear |
| June 7 | 55°F13°C | 65°F18°C | 8 mph13 km/h from West | Partly Cloudy | Partly Cloudy |
| June 8 | 54°F12°C | 64°F18°C | 9 mph14 km/h from West | Partly Cloudy | Mostly Cloudy |
| June 9 | 54°F12°C | 63°F17°C | 9 mph15 km/h from West | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 55°F13°C, High of 67°F20°CWind: 9 mph15 km/h
Precipitation: None