No
you don't need a jacket based on the weather in Grand Terrace, CA, USA 1 second ago
88°F31°C & Clear
Wind is 10 mph16 km/h from the West, gusting to 16 mph25 km/h
| July 6 | ||||
| 9pm | 87°F31°C | 10 mph17 km/h West | Clear | |
| 10pm | 84°F29°C | 9 mph14 km/h West | Clear | |
| 11pm | 79°F26°C | 7 mph11 km/h Southwest | Clear | |
| July 7 | ||||
| 12am | 74°F23°C | 5 mph8 km/h Southwest | Clear | |
| 1am | 71°F22°C | 4 mph7 km/h Southwest | Clear | |
| 2am | 68°F20°C | 4 mph6 km/h Southwest | Clear | |
| 3am | 66°F19°C | 3 mph5 km/h Southwest | Clear | |
| 4am | 65°F18°C | 2 mph3 km/h Southwest | Clear | |
| 5am | 63°F17°C | 2 mph3 km/h Southwest | Clear | |
| 6am | 62°F17°C | 2 mph3 km/h Southwest | Clear | |
| 7am | 61°F16°C | 2 mph3 km/h Southwest | Clear | |
| 8am | 60°F15°C | 2 mph3 km/h South | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 6 | 62°F17°C | 94°F34°C | 6 mph10 km/h from West | Clear | Clear |
| July 7 | 60°F15°C | 93°F34°C | 6 mph10 km/h from West | Clear | Clear |
| July 8 | 63°F17°C | 96°F36°C | 6 mph10 km/h from West | Clear | Mostly Clear |
| July 9 | 69°F21°C | 99°F37°C | 6 mph9 km/h from West | Clear | Mostly Clear |
| July 10 | 68°F20°C | 99°F37°C | 5 mph9 km/h from West | Clear | Clear |
| July 11 | 66°F19°C | 94°F35°C | 6 mph9 km/h from West | Clear | Clear |
| July 12 | 63°F17°C | 89°F32°C | 6 mph10 km/h from West | Clear | Clear |
No
Low of 60°F16°C, High of 92°F34°CWind: 6 mph10 km/h
Precipitation: None