Yes
you do need a jacket based on the weather in Vallejo, CA, USA 1 second ago
Why? Because the drizzle is not enough rain to call it "raining," but enough to make you a little soggy and sorry, it\s too cool for just a hoodie!
51°F11°C & Drizzle
Wind is 4 mph6 km/h from the Southeast, gusting to 7 mph11 km/h
| February 1 | ||||
| 8am | 51°F11°C | 2 mph3 km/h South | Rain | |
| 9am | 52°F11°C | 2 mph3 km/h Southeast | Drizzle | |
| 10am | 52°F11°C | 2 mph3 km/h East | Drizzle | |
| 11am | 52°F11°C | 2 mph3 km/h Northeast | Rain | |
| 12pm | 52°F11°C | 3 mph5 km/h East | Rain | |
| 1pm | 53°F12°C | 4 mph7 km/h Southeast | Rain | |
| 2pm | 54°F12°C | 6 mph10 km/h South | Rain | |
| 3pm | 55°F13°C | 8 mph13 km/h South | Rain | |
| 4pm | 57°F14°C | 11 mph18 km/h Southwest | Rain | |
| 5pm | 58°F14°C | 13 mph22 km/h Southwest | Rain | |
| 6pm | 58°F14°C | 13 mph21 km/h Southwest | Rain | |
| 7pm | 58°F14°C | 13 mph21 km/h Southwest | Drizzle | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| February 1 | 51°F10°C | 58°F14°C | 9 mph14 km/h from South | Rain | Drizzle |
| February 2 | 55°F13°C | 58°F15°C | 15 mph23 km/h from South | Drizzle | Drizzle |
| February 3 | 53°F12°C | 57°F14°C | 12 mph20 km/h from South | Rain | Rain |
| February 4 | 43°F6°C | 54°F12°C | 9 mph14 km/h from South | Rain | Rain |
| February 5 | 40°F4°C | 53°F12°C | 7 mph11 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| February 6 | 42°F5°C | 53°F12°C | 7 mph11 km/h from South | Rain | Rain |
| February 7 | 44°F7°C | 54°F12°C | 8 mph12 km/h from Southeast | Rain | Partly Cloudy |
Yes
Low of 55°F13°C, High of 58°F15°CWind: 15 mph23 km/h
Precipitation: 81% rain