Yes
you do need a jacket based on the weather in Fairfield, CA, USA 1 second ago
Why? Because it's quite chilly!
37°F3°C & Mostly Clear
Wind is 3 mph5 km/h from the Northeast, gusting to 4 mph6 km/h
| January 19 | ||||
| 7am | 37°F3°C | 4 mph6 km/h Northeast | Mostly Clear | |
| 8am | 36°F2°C | 3 mph4 km/h East | Mostly Clear | |
| 9am | 36°F2°C | 1 mph2 km/h Northwest | Partly Cloudy | |
| 10am | 36°F2°C | 2 mph3 km/h North | Partly Cloudy | |
| 11am | 37°F3°C | 2 mph3 km/h Northeast | Partly Cloudy | |
| 12pm | 40°F5°C | 2 mph3 km/h Northeast | Partly Cloudy | |
| 1pm | 45°F7°C | 2 mph4 km/h Northeast | Partly Cloudy | |
| 2pm | 49°F9°C | 3 mph5 km/h Northeast | Mostly Clear | |
| 3pm | 52°F11°C | 3 mph4 km/h West | Mostly Clear | |
| 4pm | 54°F12°C | 3 mph4 km/h West | Mostly Clear | |
| 5pm | 56°F13°C | 3 mph5 km/h West | Mostly Clear | |
| 6pm | 56°F14°C | 3 mph6 km/h West | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| January 19 | 36°F2°C | 56°F14°C | 3 mph5 km/h from West | Mostly Clear | Mostly Clear |
| January 20 | 39°F4°C | 63°F17°C | 14 mph22 km/h from North | Clear | Clear |
| January 21 | 34°F1°C | 58°F14°C | 3 mph5 km/h from Northeast | Mostly Clear | Mostly Clear |
| January 22 | 34°F1°C | 62°F16°C | 2 mph4 km/h from Northeast | Mostly Clear | Mostly Clear |
| January 23 | 37°F3°C | 62°F17°C | 3 mph5 km/h from Northeast | Mostly Clear | Mostly Cloudy |
| January 24 | 40°F4°C | 61°F16°C | 4 mph7 km/h from North | Mostly Cloudy | Mostly Clear |
| January 25 | 44°F7°C | 58°F14°C | 13 mph20 km/h from North | Clear | Clear |
Yes
Low of 38°F4°C, High of 63°F17°CWind: 14 mph22 km/h
Precipitation: None