No
you don't need a jacket based on the weather in Grass Valley, CA, USA 1 second ago
60°F16°C & Mostly Clear
Wind is 2 mph4 km/h from the Northeast, gusting to 4 mph7 km/h
| June 6 | ||||
| 10am | 63°F17°C | 2 mph4 km/h Northeast | Clear | |
| 11am | 69°F21°C | 2 mph3 km/h Northwest | Clear | |
| 12pm | 73°F23°C | 4 mph6 km/h West | Clear | |
| 1pm | 76°F25°C | 5 mph7 km/h West | Clear | |
| 2pm | 78°F26°C | 6 mph10 km/h West | Clear | |
| 3pm | 79°F26°C | 7 mph11 km/h West | Clear | |
| 4pm | 81°F27°C | 7 mph11 km/h West | Clear | |
| 5pm | 82°F28°C | 7 mph12 km/h West | Clear | |
| 6pm | 83°F28°C | 7 mph12 km/h Southwest | Clear | |
| 7pm | 83°F28°C | 7 mph11 km/h Southwest | Clear | |
| 8pm | 83°F28°C | 6 mph10 km/h Southwest | Clear | |
| 9pm | 82°F28°C | 6 mph9 km/h Southwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 6 | 59°F15°C | 83°F28°C | 6 mph9 km/h from West | Clear | Mostly Clear |
| June 7 | 60°F16°C | 87°F30°C | 5 mph9 km/h from West | Clear | Mostly Clear |
| June 8 | 62°F17°C | 85°F30°C | 5 mph8 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| June 9 | 62°F16°C | 87°F31°C | 5 mph8 km/h from Southwest | Clear | Clear |
| June 10 | 61°F16°C | 84°F29°C | 6 mph10 km/h from Southwest | Clear | Clear |
| June 11 | 58°F14°C | 82°F28°C | 6 mph9 km/h from Southwest | Clear | Clear |
| June 12 | 57°F14°C | 77°F25°C | 6 mph10 km/h from Southwest | Clear | Clear |
No
Low of 61°F16°C, High of 87°F31°CWind: 5 mph9 km/h
Precipitation: None