No
you don't need a jacket based on the weather in Fontana, CA, USA 1 second ago
64°F18°C & Clear
Wind is 2 mph3 km/h from the East, gusting to 3 mph5 km/h
| October 24 | ||||
| 5pm | 68°F20°C | 1 mph2 km/h South | Clear | |
| 6pm | 72°F22°C | 2 mph3 km/h Southwest | Clear | |
| 7pm | 77°F25°C | 2 mph4 km/h Southwest | Clear | |
| 8pm | 80°F27°C | 4 mph7 km/h Southwest | Clear | |
| 9pm | 82°F28°C | 5 mph9 km/h Southwest | Clear | |
| 10pm | 83°F29°C | 6 mph10 km/h Southwest | Clear | |
| 11pm | 83°F28°C | 7 mph11 km/h West | Clear | |
| October 25 | ||||
| 12am | 81°F27°C | 7 mph11 km/h West | Clear | |
| 1am | 77°F25°C | 6 mph9 km/h West | Clear | |
| 2am | 73°F23°C | 4 mph6 km/h West | Clear | |
| 3am | 70°F21°C | 3 mph5 km/h West | Clear | |
| 4am | 67°F20°C | 2 mph3 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 24 | 57°F14°C | 83°F29°C | 4 mph7 km/h from Southwest | Clear | Clear |
| October 25 | 57°F14°C | 79°F26°C | 3 mph6 km/h from Southwest | Mostly Clear | Partly Cloudy |
| October 26 | 56°F13°C | 76°F25°C | 4 mph6 km/h from Southwest | Mostly Clear | Clear |
| October 27 | 57°F14°C | 82°F28°C | 3 mph4 km/h from West | Clear | Clear |
| October 28 | 62°F17°C | 89°F31°C | 3 mph5 km/h from Northwest | Clear | Clear |
| October 29 | 63°F17°C | 90°F32°C | 4 mph6 km/h from West | Clear | Mostly Clear |
| October 30 | 62°F17°C | 86°F30°C | 3 mph5 km/h from West | Mostly Clear | Clear |
Yes
Low of 57°F14°C, High of 79°F26°CWind: 3 mph6 km/h
Precipitation: None