No
you don't need a jacket based on the weather in Rialto, CA, USA 1 second ago
91°F33°C & Clear
Wind is 11 mph17 km/h from the West, gusting to 17 mph28 km/h
| September 15 | ||||
| 9pm | 90°F32°C | 10 mph16 km/h West | Clear | |
| 10pm | 86°F30°C | 6 mph9 km/h Southwest | Clear | |
| 11pm | 82°F28°C | 4 mph6 km/h Southeast | Clear | |
| September 16 | ||||
| 12am | 79°F26°C | 4 mph6 km/h South | Clear | |
| 1am | 77°F25°C | 2 mph4 km/h West | Clear | |
| 2am | 76°F24°C | 1 mph2 km/h North | Clear | |
| 3am | 74°F23°C | 3 mph5 km/h Northeast | Clear | |
| 4am | 73°F23°C | 3 mph4 km/h North | Clear | |
| 5am | 72°F22°C | 3 mph5 km/h North | Clear | |
| 6am | 71°F21°C | 3 mph5 km/h North | Clear | |
| 7am | 70°F21°C | 2 mph3 km/h North | Clear | |
| 8am | 69°F20°C | 2 mph3 km/h North | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 62°F17°C | 95°F35°C | 5 mph8 km/h from Southwest | Clear | Clear |
| September 16 | 68°F20°C | 96°F35°C | 5 mph8 km/h from Southwest | Clear | Mostly Clear |
| September 17 | 70°F21°C | 92°F33°C | 5 mph8 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| September 18 | 71°F22°C | 86°F30°C | 5 mph7 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
| September 19 | 68°F20°C | 85°F30°C | 3 mph5 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 20 | 67°F20°C | 88°F31°C | 4 mph6 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 21 | 67°F20°C | 90°F32°C | 4 mph6 km/h from Southwest | Clear | Mostly Clear |
No
Low of 68°F20°C, High of 96°F36°CWind: 5 mph8 km/h
Precipitation: None