Yes
you do need a jacket based on the weather in San Bruno, CA, USA 1 second ago
Why? Because it's not very warm out!
57°F14°C & Mostly Cloudy
Wind is 10 mph16 km/h from the West, gusting to 17 mph27 km/h
| March 28 | ||||
| 3pm | 57°F14°C | 11 mph17 km/h West | Mostly Cloudy | |
| 4pm | 58°F15°C | 11 mph18 km/h West | Mostly Cloudy | |
| 5pm | 59°F15°C | 12 mph19 km/h West | Cloudy | |
| 6pm | 59°F15°C | 12 mph19 km/h West | Mostly Cloudy | |
| 7pm | 59°F15°C | 11 mph18 km/h West | Mostly Cloudy | |
| 8pm | 58°F15°C | 11 mph18 km/h West | Mostly Cloudy | |
| 9pm | 58°F14°C | 11 mph17 km/h West | Partly Cloudy | |
| 10pm | 56°F13°C | 9 mph15 km/h West | Partly Cloudy | |
| 11pm | 54°F12°C | 8 mph13 km/h West | Partly Cloudy | |
| March 29 | ||||
| 12am | 53°F12°C | 7 mph12 km/h West | Partly Cloudy | |
| 1am | 52°F11°C | 7 mph11 km/h West | Mostly Clear | |
| 2am | 51°F11°C | 7 mph11 km/h West | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 28 | 51°F10°C | 59°F15°C | 9 mph14 km/h from West | Drizzle | Mostly Clear |
| March 29 | 49°F9°C | 58°F14°C | 7 mph11 km/h from West | Mostly Cloudy | Drizzle |
| March 30 | 48°F9°C | 60°F16°C | 13 mph22 km/h from South | Drizzle | Drizzle |
| March 31 | 50°F10°C | 58°F14°C | 14 mph22 km/h from Southwest | Rain | Partly Cloudy |
| April 1 | 48°F9°C | 56°F14°C | 11 mph17 km/h from West | Rain | Partly Cloudy |
| April 2 | 47°F9°C | 58°F15°C | 9 mph14 km/h from Northwest | Partly Cloudy | Partly Cloudy |
| April 3 | 48°F9°C | 58°F14°C | 12 mph19 km/h from West | Mostly Clear | Mostly Clear |
Yes
Low of 49°F10°C, High of 58°F15°CWind: 7 mph11 km/h
Precipitation: None