Yes
you do need a jacket based on the weather in South San Francisco, CA, USA 1 second ago
Why? Because it's pretty chilly!
53°F11°C & Mostly Cloudy
Wind is 7 mph11 km/h from the Southwest, gusting to 18 mph29 km/h
| March 28 | ||||
| 5am | 53°F11°C | 7 mph11 km/h Southwest | Cloudy | |
| 6am | 52°F11°C | 6 mph10 km/h Southwest | Cloudy | |
| 7am | 53°F11°C | 7 mph11 km/h West | Cloudy | |
| 8am | 52°F11°C | 6 mph10 km/h West | Mostly Cloudy | |
| 9am | 52°F11°C | 6 mph9 km/h West | Mostly Cloudy | |
| 10am | 51°F11°C | 6 mph9 km/h West | Mostly Cloudy | |
| 11am | 52°F11°C | 6 mph9 km/h West | Mostly Cloudy | |
| 12pm | 55°F13°C | 8 mph12 km/h West | Mostly Cloudy | |
| 1pm | 56°F13°C | 8 mph13 km/h West | Partly Cloudy | |
| 2pm | 57°F14°C | 9 mph14 km/h West | Partly Cloudy | |
| 3pm | 59°F15°C | 10 mph15 km/h West | Partly Cloudy | |
| 4pm | 59°F15°C | 10 mph17 km/h West | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 28 | 51°F11°C | 59°F15°C | 9 mph15 km/h from West | Partly Cloudy | Mostly Clear |
| March 29 | 48°F9°C | 58°F15°C | 7 mph11 km/h from West | Partly Cloudy | Drizzle |
| March 30 | 48°F9°C | 61°F16°C | 13 mph21 km/h from South | Drizzle | Mostly Cloudy |
| March 31 | 49°F9°C | 57°F14°C | 13 mph21 km/h from Southwest | Drizzle | Partly Cloudy |
| April 1 | 48°F9°C | 56°F13°C | 11 mph18 km/h from West | Rain | Partly Cloudy |
| April 2 | 47°F8°C | 58°F15°C | 8 mph14 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| April 3 | 48°F9°C | 58°F14°C | 8 mph13 km/h from West | Partly Cloudy | Mostly Clear |
Yes
Low of 48°F9°C, High of 58°F15°CWind: 7 mph11 km/h
Precipitation: None