No
you don't need a jacket based on the weather in San Bernardino, CA, USA 1 second ago
66°F19°C & Clear
Wind is 2 mph4 km/h from the East, gusting to 4 mph6 km/h
| September 5 | ||||
| 10am | 67°F19°C | 2 mph3 km/h East | Clear | |
| 11am | 71°F22°C | 1 mph1 km/h Northeast | Clear | |
| 12pm | 77°F25°C | 1 mph2 km/h South | Clear | |
| 1pm | 84°F29°C | 1 mph2 km/h Southwest | Clear | |
| 2pm | 88°F31°C | 3 mph4 km/h Southwest | Clear | |
| 3pm | 92°F33°C | 5 mph8 km/h Southwest | Clear | |
| 4pm | 94°F35°C | 7 mph11 km/h Southwest | Clear | |
| 5pm | 95°F35°C | 8 mph13 km/h Southwest | Clear | |
| 6pm | 96°F35°C | 9 mph15 km/h Southwest | Clear | |
| 7pm | 95°F35°C | 10 mph16 km/h Southwest | Clear | |
| 8pm | 94°F34°C | 10 mph16 km/h West | Clear | |
| 9pm | 92°F33°C | 8 mph13 km/h Southwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 5 | 66°F19°C | 96°F35°C | 5 mph9 km/h from Southwest | Clear | Clear |
| September 6 | 68°F20°C | 95°F35°C | 5 mph9 km/h from Southwest | Clear | Clear |
| September 7 | 67°F20°C | 95°F35°C | 5 mph8 km/h from Southwest | Clear | Clear |
| September 8 | 66°F19°C | 91°F33°C | 5 mph7 km/h from Southwest | Clear | Clear |
| September 9 | 63°F17°C | 85°F29°C | 5 mph8 km/h from Southwest | Clear | Mostly Clear |
| September 10 | 62°F16°C | 81°F27°C | 4 mph7 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 11 | 61°F16°C | 82°F28°C | 5 mph8 km/h from Southwest | Mostly Clear | Clear |
No
Low of 68°F20°C, High of 95°F35°CWind: 5 mph9 km/h
Precipitation: None