No
you don't need a jacket based on the weather in San Bernardino, CA, USA 1 second ago
74°F23°C & Clear
Wind is 3 mph5 km/h from the South, gusting to 7 mph12 km/h
| June 28 | ||||
| 2am | 71°F22°C | 3 mph5 km/h Southwest | Clear | |
| 3am | 69°F21°C | 3 mph5 km/h Southwest | Clear | |
| 4am | 67°F19°C | 2 mph3 km/h South | Clear | |
| 5am | 65°F18°C | 1 mph2 km/h Southwest | Clear | |
| 6am | 63°F17°C | 2 mph3 km/h Northwest | Clear | |
| 7am | 62°F17°C | 1 mph2 km/h Northeast | Clear | |
| 8am | 62°F16°C | 2 mph3 km/h Northeast | Clear | |
| 9am | 61°F16°C | 2 mph3 km/h Northeast | Clear | |
| 10am | 65°F18°C | 1 mph2 km/h Northeast | Clear | |
| 11am | 70°F21°C | 1 mph1 km/h Southwest | Clear | |
| 12pm | 76°F24°C | 2 mph3 km/h Southwest | Clear | |
| 1pm | 81°F27°C | 3 mph4 km/h Southwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 27 | 61°F16°C | 94°F34°C | 5 mph8 km/h from Southwest | Clear | Clear |
| June 28 | 61°F16°C | 97°F36°C | 5 mph8 km/h from Southwest | Clear | Clear |
| June 29 | 66°F19°C | 96°F36°C | 6 mph10 km/h from Southwest | Clear | Clear |
| June 30 | 66°F19°C | 95°F35°C | 6 mph10 km/h from Southwest | Clear | Clear |
| July 1 | 64°F18°C | 93°F34°C | 5 mph9 km/h from Southwest | Clear | Clear |
| July 2 | 65°F19°C | 92°F33°C | 6 mph9 km/h from Southwest | Clear | Clear |
| July 3 | 63°F17°C | 89°F32°C | 5 mph8 km/h from Southwest | Clear | Clear |
No
Low of 61°F16°C, High of 97°F36°CWind: 5 mph8 km/h
Precipitation: None