Yes
you do need a jacket based on the weather in San Francisco, CA, USA 1 second ago
Why? Because the wind is harsh and biting!
64°F18°C & Partly Cloudy
Wind is 14 mph22 km/h from the West, gusting to 22 mph36 km/h
| April 11 | ||||
| 7pm | 64°F18°C | 13 mph22 km/h West | Cloudy | |
| 8pm | 63°F17°C | 13 mph22 km/h West | Cloudy | |
| 9pm | 61°F16°C | 13 mph21 km/h West | Cloudy | |
| 10pm | 59°F15°C | 12 mph20 km/h West | Cloudy | |
| 11pm | 56°F14°C | 11 mph18 km/h West | Cloudy | |
| April 12 | ||||
| 12am | 55°F13°C | 11 mph17 km/h West | Cloudy | |
| 1am | 54°F12°C | 10 mph17 km/h West | Cloudy | |
| 2am | 54°F12°C | 10 mph15 km/h West | Mostly Cloudy | |
| 3am | 52°F11°C | 10 mph15 km/h West | Partly Cloudy | |
| 4am | 52°F11°C | 10 mph15 km/h West | Partly Cloudy | |
| 5am | 51°F10°C | 9 mph15 km/h West | Partly Cloudy | |
| 6am | 50°F10°C | 9 mph15 km/h West | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 11 | 52°F11°C | 64°F18°C | 9 mph15 km/h from West | Mostly Cloudy | Partly Cloudy |
| April 12 | 48°F9°C | 63°F17°C | 7 mph11 km/h from West | Clear | Clear |
| April 13 | 50°F10°C | 70°F21°C | 5 mph9 km/h from West | Clear | Clear |
| April 14 | 52°F11°C | 71°F22°C | 5 mph8 km/h from West | Clear | Partly Cloudy |
| April 15 | 52°F11°C | 61°F16°C | 10 mph16 km/h from Southwest | Mostly Cloudy | Cloudy |
| April 16 | 52°F11°C | 61°F16°C | 9 mph15 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| April 17 | 52°F11°C | 61°F16°C | 9 mph15 km/h from Southwest | Partly Cloudy | Partly Cloudy |
Yes
Low of 48°F9°C, High of 64°F18°CWind: 7 mph11 km/h
Precipitation: None