No
you don't need a jacket based on the weather in Grand Terrace, CA, USA 1 second ago
82°F28°C & Clear
Wind is 3 mph5 km/h from the West, gusting to 6 mph10 km/h
| October 19 | ||||
| 1am | 81°F27°C | 4 mph6 km/h West | Clear | |
| 2am | 76°F25°C | 6 mph9 km/h South | Clear | |
| 3am | 73°F23°C | 5 mph8 km/h South | Clear | |
| 4am | 70°F21°C | 4 mph6 km/h Southeast | Partly Cloudy | |
| 5am | 67°F20°C | 4 mph7 km/h South | Partly Cloudy | |
| 6am | 65°F19°C | 4 mph7 km/h South | Mostly Cloudy | |
| 7am | 64°F18°C | 2 mph4 km/h Southeast | Mostly Cloudy | |
| 8am | 62°F17°C | 2 mph4 km/h East | Partly Cloudy | |
| 9am | 61°F16°C | 2 mph4 km/h East | Partly Cloudy | |
| 10am | 59°F15°C | 2 mph4 km/h East | Partly Cloudy | |
| 11am | 58°F15°C | 2 mph4 km/h East | Partly Cloudy | |
| 12pm | 57°F14°C | 2 mph4 km/h East | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 18 | 56°F13°C | 86°F30°C | 3 mph5 km/h from West | Clear | Partly Cloudy |
| October 19 | 56°F13°C | 83°F28°C | 4 mph6 km/h from West | Mostly Clear | Mostly Clear |
| October 20 | 56°F13°C | 85°F30°C | 3 mph5 km/h from West | Clear | Clear |
| October 21 | 58°F14°C | 82°F28°C | 4 mph7 km/h from West | Clear | Mostly Clear |
| October 22 | 55°F13°C | 70°F21°C | 5 mph9 km/h from West | Mostly Clear | Mostly Clear |
| October 23 | 53°F12°C | 77°F25°C | 3 mph4 km/h from West | Mostly Clear | Clear |
| October 24 | 57°F14°C | 81°F27°C | 4 mph6 km/h from West | Mostly Clear | Partly Cloudy |
Yes
Low of 55°F13°C, High of 82°F28°CWind: 4 mph6 km/h
Precipitation: None