Yes
you do need a jacket based on the weather in San Francisco, CA, USA 11 minutes ago
Why? Because it's pretty chilly!
58°F14°C & Haze
Wind is 2 mph4 km/h from the West, gusting to 3 mph5 km/h
| September 15 | ||||
| 10am | 58°F15°C | 2 mph3 km/h West | Haze | |
| 11am | 59°F15°C | 1 mph2 km/h Southeast | Haze | |
| 12pm | 62°F16°C | 2 mph4 km/h Southeast | Partly Cloudy | |
| 1pm | 65°F18°C | 3 mph4 km/h Southeast | Mostly Clear | |
| 2pm | 69°F21°C | 2 mph4 km/h East | Clear | |
| 3pm | 74°F23°C | 2 mph4 km/h Northeast | Clear | |
| 4pm | 78°F26°C | 3 mph4 km/h Northwest | Clear | |
| 5pm | 80°F27°C | 5 mph7 km/h West | Clear | |
| 6pm | 79°F26°C | 7 mph11 km/h West | Clear | |
| 7pm | 76°F25°C | 9 mph14 km/h West | Clear | |
| 8pm | 74°F23°C | 9 mph14 km/h West | Clear | |
| 9pm | 71°F22°C | 8 mph13 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 58°F14°C | 80°F27°C | 5 mph7 km/h from West | Mostly Clear | Mostly Clear |
| September 16 | 58°F15°C | 75°F24°C | 5 mph8 km/h from West | Mostly Clear | Mostly Clear |
| September 17 | 58°F14°C | 72°F22°C | 6 mph9 km/h from West | Mostly Clear | Mostly Cloudy |
| September 18 | 61°F16°C | 68°F20°C | 7 mph11 km/h from Southwest | Mostly Cloudy | Cloudy |
| September 19 | 61°F16°C | 72°F22°C | 5 mph8 km/h from West | Mostly Cloudy | Mostly Cloudy |
| September 20 | 60°F16°C | 71°F21°C | 7 mph11 km/h from West | Partly Cloudy | Partly Cloudy |
| September 21 | 59°F15°C | 73°F23°C | 6 mph10 km/h from West | Clear | Clear |
Yes
Low of 58°F15°C, High of 75°F24°CWind: 5 mph8 km/h
Precipitation: None