No
you don't need a jacket based on the weather in Irvine, CA, USA 1 second ago
69°F20°C & Mostly Cloudy
Wind is 1 mph1 km/h from the West, gusting to 3 mph5 km/h
| September 17 | ||||
| 8am | 69°F20°C | 1 mph1 km/h West | Mostly Cloudy | |
| 9am | 68°F20°C | 2 mph3 km/h South | Mostly Cloudy | |
| 10am | 68°F20°C | 2 mph3 km/h South | Mostly Cloudy | |
| 11am | 70°F21°C | 2 mph3 km/h South | Cloudy | |
| 12pm | 74°F23°C | 2 mph3 km/h Southwest | Cloudy | |
| 1pm | 78°F25°C | 4 mph6 km/h Southwest | Cloudy | |
| 2pm | 80°F27°C | 7 mph11 km/h Southwest | Cloudy | |
| 3pm | 81°F27°C | 7 mph11 km/h Southwest | Cloudy | |
| 4pm | 82°F28°C | 7 mph11 km/h Southwest | Cloudy | |
| 5pm | 83°F28°C | 7 mph12 km/h Southwest | Cloudy | |
| 6pm | 81°F27°C | 7 mph11 km/h Southwest | Cloudy | |
| 7pm | 81°F27°C | 6 mph10 km/h Southwest | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 68°F20°C | 83°F28°C | 5 mph8 km/h from Southwest | Cloudy | Rain |
| September 18 | 68°F20°C | 83°F28°C | 4 mph7 km/h from West | Rain | Partly Cloudy |
| September 19 | 68°F20°C | 82°F28°C | 5 mph8 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 20 | 66°F19°C | 85°F29°C | 5 mph7 km/h from West | Mostly Clear | Mostly Clear |
| September 21 | 66°F19°C | 85°F30°C | 5 mph8 km/h from West | Mostly Clear | Mostly Clear |
| September 22 | 66°F19°C | 86°F30°C | 4 mph6 km/h from West | Mostly Clear | Mostly Clear |
| September 23 | 67°F20°C | 84°F29°C | 5 mph8 km/h from Southwest | Clear | Clear |
No
Low of 68°F20°C, High of 83°F29°CWind: 4 mph7 km/h
Precipitation: 64% rain