No
you don't need a jacket based on the weather in El Cajon (Hillsdale), California, United States 1 second ago
85°F30°C & Clear
Wind is 8 mph13 km/h from the Southwest, gusting to 13 mph21 km/h
| August 26 | ||||
| 7pm | 84°F29°C | 7 mph12 km/h Southwest | Clear | |
| 8pm | 83°F28°C | 8 mph13 km/h Southwest | Clear | |
| 9pm | 80°F27°C | 6 mph10 km/h Southwest | Clear | |
| 10pm | 77°F25°C | 4 mph7 km/h West | Clear | |
| 11pm | 74°F23°C | 3 mph5 km/h Southwest | Clear | |
| August 27 | ||||
| 12am | 72°F22°C | 2 mph4 km/h West | Clear | |
| 1am | 72°F22°C | 2 mph3 km/h West | Clear | |
| 2am | 71°F22°C | 2 mph3 km/h West | Clear | |
| 3am | 70°F21°C | 2 mph3 km/h Southwest | Clear | |
| 4am | 70°F21°C | 2 mph3 km/h North | Mostly Clear | |
| 5am | 69°F21°C | 2 mph3 km/h East | Mostly Clear | |
| 6am | 68°F20°C | 2 mph2 km/h Northeast | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 26 | 64°F18°C | 85°F30°C | 5 mph8 km/h from Southwest | Mostly Clear | Clear |
| August 27 | 67°F19°C | 86°F30°C | 5 mph9 km/h from West | Partly Cloudy | Cloudy |
| August 28 | 70°F21°C | 83°F28°C | 4 mph6 km/h from West | Cloudy | Mostly Clear |
| August 29 | 70°F21°C | 88°F31°C | 5 mph9 km/h from West | Clear | Clear |
| August 30 | 69°F20°C | 88°F31°C | 5 mph8 km/h from West | Clear | Clear |
| August 31 | 68°F20°C | 90°F32°C | 5 mph8 km/h from West | Clear | Clear |
| September 1 | 69°F21°C | 88°F31°C | 5 mph8 km/h from West | Clear | Mostly Clear |
No
Low of 67°F20°C, High of 86°F30°CWind: 5 mph9 km/h
Precipitation: None