No
you don't need a jacket based on the weather in Fullerton, CA, USA 1 second ago
83°F29°C & Clear
Wind is 8 mph13 km/h from the Southwest, gusting to 11 mph18 km/h
| August 4 | ||||
| 6pm | 83°F29°C | 8 mph13 km/h Southwest | Mostly Cloudy | |
| 7pm | 83°F28°C | 8 mph13 km/h Southwest | Mostly Cloudy | |
| 8pm | 83°F28°C | 7 mph11 km/h Southwest | Mostly Cloudy | |
| 9pm | 81°F27°C | 6 mph10 km/h Southwest | Mostly Cloudy | |
| 10pm | 79°F26°C | 6 mph9 km/h Southwest | Mostly Cloudy | |
| 11pm | 75°F24°C | 5 mph8 km/h South | Mostly Cloudy | |
| August 5 | ||||
| 12am | 72°F22°C | 4 mph7 km/h South | Partly Cloudy | |
| 1am | 71°F22°C | 3 mph5 km/h South | Mostly Cloudy | |
| 2am | 69°F21°C | 3 mph5 km/h South | Mostly Cloudy | |
| 3am | 68°F20°C | 3 mph4 km/h South | Mostly Cloudy | |
| 4am | 67°F19°C | 2 mph4 km/h South | Mostly Cloudy | |
| 5am | 66°F19°C | 2 mph3 km/h Southeast | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 4 | 64°F18°C | 83°F29°C | 5 mph7 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| August 5 | 64°F18°C | 87°F31°C | 5 mph9 km/h from Southwest | Clear | Mostly Clear |
| August 6 | 65°F19°C | 89°F32°C | 5 mph8 km/h from Southwest | Mostly Clear | Mostly Clear |
| August 7 | 66°F19°C | 93°F34°C | 5 mph8 km/h from Southwest | Clear | Clear |
| August 8 | 66°F19°C | 90°F32°C | 5 mph8 km/h from Southwest | Clear | Clear |
| August 9 | 65°F18°C | 91°F33°C | 5 mph9 km/h from Southwest | Clear | Mostly Clear |
| August 10 | 67°F19°C | 89°F32°C | 5 mph9 km/h from Southwest | Clear | Clear |
No
Low of 64°F18°C, High of 87°F31°CWind: 5 mph9 km/h
Precipitation: None