Yes
you do need a jacket based on the weather in Rocklin, CA, USA 1 second ago
Why? Because it's cold enough that makes you wish you had a hat, but you're still too proud to admit it!
48°F9°C & Mostly Clear
Wind is 6 mph10 km/h from the South, gusting to 14 mph22 km/h
| January 4 | ||||
| 12am | 47°F8°C | 7 mph11 km/h South | Mostly Clear | |
| 1am | 46°F8°C | 6 mph10 km/h Southeast | Mostly Clear | |
| 2am | 46°F8°C | 6 mph10 km/h Southeast | Partly Cloudy | |
| 3am | 46°F8°C | 6 mph9 km/h Southeast | Mostly Cloudy | |
| 4am | 45°F7°C | 6 mph9 km/h Southeast | Mostly Cloudy | |
| 5am | 44°F7°C | 6 mph9 km/h Southeast | Mostly Cloudy | |
| 6am | 44°F6°C | 5 mph8 km/h Southeast | Mostly Cloudy | |
| 7am | 43°F6°C | 4 mph7 km/h Southeast | Mostly Cloudy | |
| 8am | 43°F6°C | 4 mph7 km/h Southeast | Partly Cloudy | |
| 9am | 42°F6°C | 4 mph6 km/h Southeast | Partly Cloudy | |
| 10am | 41°F5°C | 4 mph6 km/h East | Partly Cloudy | |
| 11am | 42°F5°C | 4 mph6 km/h East | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| January 3 | 46°F8°C | 55°F13°C | 4 mph6 km/h from South | Rain | Partly Cloudy |
| January 4 | 41°F5°C | 55°F13°C | 5 mph7 km/h from Northwest | Mostly Cloudy | Mostly Cloudy |
| January 5 | 40°F5°C | 56°F13°C | 3 mph5 km/h from Northwest | Partly Cloudy | Mostly Clear |
| January 6 | 40°F5°C | 57°F14°C | 4 mph7 km/h from Northwest | Partly Cloudy | Clear |
| January 7 | 40°F4°C | 60°F16°C | 8 mph13 km/h from North | Mostly Clear | Mostly Cloudy |
| January 8 | 40°F4°C | 58°F14°C | 7 mph11 km/h from North | Partly Cloudy | Mostly Clear |
| January 9 | 38°F3°C | 59°F15°C | 5 mph7 km/h from Northwest | Clear | Mostly Clear |
Yes
Low of 41°F5°C, High of 55°F13°CWind: 5 mph7 km/h
Precipitation: None