Yes
you do need a jacket based on the weather in San Francisco, CA 94123, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
58°F14°C & Clear
Wind is 7 mph12 km/h from the Southwest, gusting to 12 mph19 km/h
| October 19 | ||||
| 10am | 57°F14°C | 7 mph11 km/h Southwest | Mostly Clear | |
| 11am | 56°F13°C | 6 mph9 km/h Southwest | Mostly Clear | |
| 12pm | 56°F13°C | 6 mph9 km/h Southwest | Partly Cloudy | |
| 1pm | 55°F13°C | 6 mph10 km/h Southwest | Mostly Cloudy | |
| 2pm | 55°F13°C | 7 mph11 km/h Southwest | Mostly Cloudy | |
| 3pm | 55°F13°C | 7 mph11 km/h Southwest | Mostly Cloudy | |
| 4pm | 57°F14°C | 7 mph11 km/h Southwest | Mostly Cloudy | |
| 5pm | 59°F15°C | 5 mph9 km/h Southwest | Mostly Cloudy | |
| 6pm | 62°F16°C | 6 mph10 km/h Southwest | Partly Cloudy | |
| 7pm | 64°F18°C | 6 mph10 km/h Southwest | Partly Cloudy | |
| 8pm | 66°F19°C | 6 mph10 km/h Southwest | Mostly Clear | |
| 9pm | 68°F20°C | 7 mph11 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 19 | 55°F13°C | 68°F20°C | 7 mph11 km/h from Southwest | Partly Cloudy | Mostly Clear |
| October 20 | 55°F13°C | 74°F24°C | 5 mph7 km/h from Northeast | Clear | Clear |
| October 21 | 56°F14°C | 72°F22°C | 5 mph8 km/h from West | Mostly Clear | Mostly Cloudy |
| October 22 | 58°F15°C | 65°F19°C | 9 mph15 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| October 23 | 56°F13°C | 65°F18°C | 5 mph8 km/h from West | Mostly Cloudy | Mostly Cloudy |
| October 24 | 54°F12°C | 66°F19°C | 6 mph9 km/h from Southwest | Cloudy | Cloudy |
| October 25 | 57°F14°C | 64°F18°C | 7 mph12 km/h from West | Mostly Cloudy | Cloudy |
Yes
Low of 55°F13°C, High of 74°F24°CWind: 5 mph7 km/h
Precipitation: None