Yes
you do need a jacket based on the weather in Grand Terrace, CA, USA 6 minutes ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
50°F10°C & Clear
Wind is 1 mph1 km/h from the North, gusting to 5 mph8 km/h
| March 4 | ||||
| 12am | 48°F9°C | 4 mph6 km/h East | Clear | |
| 1am | 47°F9°C | 4 mph6 km/h East | Mostly Clear | |
| 2am | 47°F8°C | 5 mph8 km/h East | Mostly Clear | |
| 3am | 46°F8°C | 5 mph8 km/h Southeast | Mostly Clear | |
| 4am | 45°F7°C | 4 mph7 km/h Southeast | Clear | |
| 5am | 44°F6°C | 3 mph4 km/h East | Mostly Clear | |
| 6am | 43°F6°C | 3 mph4 km/h East | Mostly Clear | |
| 7am | 43°F6°C | 2 mph4 km/h East | Clear | |
| 8am | 42°F6°C | 3 mph5 km/h East | Partly Cloudy | |
| 9am | 42°F6°C | 3 mph5 km/h East | Mostly Clear | |
| 10am | 43°F6°C | 3 mph5 km/h East | Partly Cloudy | |
| 11am | 48°F9°C | 2 mph4 km/h East | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 3 | 45°F7°C | 60°F16°C | 5 mph8 km/h from Southwest | Mostly Clear | Mostly Clear |
| March 4 | 42°F6°C | 66°F19°C | 3 mph4 km/h from West | Mostly Clear | Mostly Cloudy |
| March 5 | 47°F8°C | 60°F16°C | 3 mph6 km/h from Southwest | Rain | Rain |
| March 6 | 44°F6°C | 54°F12°C | 9 mph14 km/h from Southwest | Rain | Rain |
| March 7 | 42°F6°C | 57°F14°C | 4 mph7 km/h from West | Mostly Clear | Clear |
| March 8 | 42°F6°C | 68°F20°C | 2 mph3 km/h from West | Clear | Clear |
| March 9 | 46°F8°C | 71°F22°C | 4 mph7 km/h from Southwest | Clear | Mostly Clear |
Yes
Low of 42°F6°C, High of 66°F19°CWind: 3 mph4 km/h
Precipitation: None