No
you don't need a jacket based on the weather in Fullerton, CA, USA 1 second ago
72°F22°C & Clear
Wind is 2 mph4 km/h from the Southwest, gusting to 5 mph8 km/h
| August 26 | ||||
| 1am | 72°F22°C | 2 mph4 km/h Southwest | Clear | |
| 2am | 71°F22°C | 3 mph4 km/h South | Clear | |
| 3am | 71°F22°C | 2 mph3 km/h South | Clear | |
| 4am | 70°F21°C | 2 mph4 km/h South | Mostly Clear | |
| 5am | 69°F21°C | 2 mph3 km/h South | Mostly Clear | |
| 6am | 69°F20°C | 1 mph2 km/h South | Mostly Clear | |
| 7am | 68°F20°C | 2 mph3 km/h South | Clear | |
| 8am | 68°F20°C | 1 mph2 km/h South | Mostly Clear | |
| 9am | 67°F20°C | 1 mph2 km/h South | Mostly Clear | |
| 10am | 68°F20°C | 1 mph2 km/h South | Mostly Clear | |
| 11am | 70°F21°C | 2 mph3 km/h South | Mostly Clear | |
| 12pm | 73°F23°C | 3 mph4 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 25 | 68°F20°C | 87°F30°C | 4 mph6 km/h from Southwest | Mostly Clear | Clear |
| August 26 | 67°F20°C | 87°F31°C | 6 mph9 km/h from Southwest | Clear | Mostly Clear |
| August 27 | 67°F19°C | 89°F31°C | 6 mph9 km/h from Southwest | Mostly Clear | Mostly Clear |
| August 28 | 66°F19°C | 87°F31°C | 5 mph8 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
| August 29 | 68°F20°C | 91°F33°C | 5 mph8 km/h from Southwest | Mostly Clear | Mostly Clear |
| August 30 | 69°F21°C | 92°F33°C | 5 mph8 km/h from Southwest | Clear | Clear |
| August 31 | 70°F21°C | 93°F34°C | 5 mph8 km/h from Southwest | Clear | Clear |
No
Low of 67°F20°C, High of 88°F31°CWind: 6 mph9 km/h
Precipitation: None