No
you don't need a jacket based on the weather in El Cajon (Hillsdale), California, United States 1 second ago
63°F17°C & Mostly Clear
Wind is 2 mph3 km/h from the Southwest, gusting to 3 mph5 km/h
| August 2 | ||||
| 3am | 62°F17°C | 1 mph2 km/h South | Mostly Clear | |
| 4am | 62°F16°C | 1 mph2 km/h Southeast | Mostly Clear | |
| 5am | 60°F16°C | 2 mph3 km/h West | Mostly Clear | |
| 6am | 60°F15°C | 2 mph3 km/h Southeast | Partly Cloudy | |
| 7am | 60°F15°C | 2 mph3 km/h Northwest | Haze | |
| 8am | 59°F15°C | 1 mph2 km/h North | Haze | |
| 9am | 58°F14°C | 2 mph3 km/h Northeast | Partly Cloudy | |
| 10am | 59°F15°C | 2 mph3 km/h Northeast | Partly Cloudy | |
| 11am | 63°F17°C | 2 mph3 km/h Northwest | Partly Cloudy | |
| 12pm | 68°F20°C | 3 mph4 km/h West | Clear | |
| 1pm | 73°F23°C | 4 mph6 km/h West | Clear | |
| 2pm | 78°F26°C | 4 mph7 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 1 | 61°F16°C | 83°F28°C | 4 mph6 km/h from Southwest | Mostly Clear | Mostly Clear |
| August 2 | 58°F14°C | 86°F30°C | 5 mph8 km/h from West | Clear | Clear |
| August 3 | 59°F15°C | 87°F30°C | 5 mph9 km/h from West | Clear | Clear |
| August 4 | 59°F15°C | 86°F30°C | 5 mph9 km/h from West | Clear | Clear |
| August 5 | 61°F16°C | 85°F29°C | 5 mph8 km/h from West | Mostly Clear | Mostly Clear |
| August 6 | 62°F17°C | 87°F30°C | 5 mph8 km/h from West | Mostly Clear | Clear |
| August 7 | 64°F18°C | 90°F32°C | 5 mph8 km/h from West | Mostly Clear | Mostly Clear |
Yes
Low of 58°F15°C, High of 86°F30°CWind: 5 mph8 km/h
Precipitation: None