No
you don't need a jacket based on the weather in Santee, CA, USA 1 second ago
66°F19°C & Mostly Clear
Wind is 2 mph4 km/h from the West, gusting to 4 mph6 km/h
| June 22 | ||||
| 1pm | 69°F20°C | 3 mph5 km/h West | Clear | |
| 2pm | 73°F23°C | 4 mph7 km/h West | Clear | |
| 3pm | 76°F25°C | 7 mph12 km/h West | Clear | |
| 4pm | 78°F25°C | 9 mph15 km/h West | Clear | |
| 5pm | 78°F25°C | 10 mph15 km/h West | Clear | |
| 6pm | 77°F25°C | 10 mph15 km/h Southwest | Clear | |
| 7pm | 77°F25°C | 9 mph14 km/h West | Clear | |
| 8pm | 76°F24°C | 8 mph13 km/h West | Clear | |
| 9pm | 74°F23°C | 7 mph11 km/h West | Clear | |
| 10pm | 72°F22°C | 6 mph10 km/h West | Clear | |
| 11pm | 68°F20°C | 5 mph8 km/h Southwest | Clear | |
| June 23 | ||||
| 12am | 66°F19°C | 4 mph6 km/h Southwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 22 | 56°F13°C | 78°F25°C | 6 mph10 km/h from West | Clear | Clear |
| June 23 | 56°F13°C | 76°F24°C | 7 mph11 km/h from Southwest | Mostly Clear | Mostly Clear |
| June 24 | 54°F12°C | 78°F26°C | 6 mph9 km/h from West | Clear | Mostly Clear |
| June 25 | 56°F13°C | 81°F27°C | 6 mph9 km/h from West | Clear | Clear |
| June 26 | 58°F14°C | 82°F28°C | 5 mph9 km/h from West | Clear | Mostly Clear |
| June 27 | 58°F14°C | 83°F29°C | 5 mph9 km/h from West | Clear | Mostly Clear |
| June 28 | 59°F15°C | 84°F29°C | 5 mph9 km/h from West | Clear | Mostly Clear |
Yes
Low of 56°F14°C, High of 76°F25°CWind: 7 mph11 km/h
Precipitation: None