Yes
you do need a jacket based on the weather in San Francisco (Financial District), California, United States 1 second ago
Why? Because it's pretty chilly!
51°F11°C & Partly Cloudy
Wind is 3 mph5 km/h from the Southwest, gusting to 7 mph12 km/h
| April 28 | ||||
| 5am | 51°F11°C | 3 mph5 km/h Southwest | Clear | |
| 6am | 50°F10°C | 3 mph4 km/h South | Clear | |
| 7am | 50°F10°C | 3 mph5 km/h South | Clear | |
| 8am | 50°F10°C | 3 mph5 km/h South | Clear | |
| 9am | 50°F10°C | 4 mph6 km/h South | Mostly Clear | |
| 10am | 50°F10°C | 4 mph7 km/h South | Mostly Clear | |
| 11am | 52°F11°C | 4 mph6 km/h South | Mostly Clear | |
| 12pm | 54°F12°C | 3 mph5 km/h South | Mostly Clear | |
| 1pm | 57°F14°C | 3 mph5 km/h Southwest | Mostly Clear | |
| 2pm | 60°F15°C | 3 mph5 km/h Southwest | Mostly Clear | |
| 3pm | 62°F17°C | 5 mph9 km/h West | Clear | |
| 4pm | 64°F18°C | 8 mph12 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 28 | 50°F10°C | 66°F19°C | 7 mph11 km/h from Southwest | Clear | Mostly Clear |
| April 29 | 51°F11°C | 66°F19°C | 6 mph10 km/h from Southwest | Mostly Clear | Partly Cloudy |
| April 30 | 52°F11°C | 67°F19°C | 7 mph11 km/h from Southwest | Mostly Clear | Mostly Clear |
| May 1 | 52°F11°C | 62°F17°C | 10 mph15 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| May 2 | 51°F11°C | 62°F17°C | 12 mph19 km/h from West | Partly Cloudy | Mostly Cloudy |
| May 3 | 48°F9°C | 57°F14°C | 20 mph32 km/h from West | Windy | Windy |
| May 4 | 46°F8°C | 58°F15°C | 13 mph21 km/h from Northwest | Mostly Clear | Clear |
Yes
Low of 52°F11°C, High of 66°F19°CWind: 6 mph10 km/h
Precipitation: None