No
you don't need a jacket based on the weather in Rancho Cucamonga, CA, USA 1 second ago
59°F15°C & Clear
Wind is 2 mph3 km/h from the East, gusting to 3 mph5 km/h
| July 2 | ||||
| 8am | 59°F15°C | 2 mph3 km/h Northeast | Clear | |
| 9am | 58°F14°C | 2 mph3 km/h North | Clear | |
| 10am | 61°F16°C | 1 mph2 km/h South | Clear | |
| 11am | 65°F18°C | 2 mph3 km/h South | Clear | |
| 12pm | 69°F20°C | 3 mph5 km/h South | Clear | |
| 1pm | 72°F22°C | 4 mph6 km/h South | Clear | |
| 2pm | 77°F25°C | 5 mph8 km/h Southwest | Clear | |
| 3pm | 81°F27°C | 6 mph10 km/h Southwest | Clear | |
| 4pm | 84°F29°C | 8 mph13 km/h Southwest | Clear | |
| 5pm | 86°F30°C | 9 mph15 km/h Southwest | Clear | |
| 6pm | 86°F30°C | 10 mph17 km/h Southwest | Clear | |
| 7pm | 85°F29°C | 11 mph18 km/h Southwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 2 | 58°F14°C | 86°F30°C | 7 mph11 km/h from Southwest | Clear | Clear |
| July 3 | 62°F17°C | 86°F30°C | 6 mph10 km/h from Southwest | Clear | Clear |
| July 4 | 62°F17°C | 88°F31°C | 6 mph10 km/h from Southwest | Clear | Clear |
| July 5 | 64°F18°C | 90°F32°C | 6 mph9 km/h from Southwest | Clear | Clear |
| July 6 | 64°F18°C | 90°F32°C | 6 mph9 km/h from Southwest | Clear | Clear |
| July 7 | 63°F17°C | 91°F33°C | 6 mph9 km/h from Southwest | Clear | Clear |
| July 8 | 65°F18°C | 95°F35°C | 6 mph9 km/h from Southwest | Clear | Mostly Clear |
No
Low of 62°F17°C, High of 86°F30°CWind: 6 mph10 km/h
Precipitation: None