Yes
you do need a jacket based on the weather in San Bernardino, CA, USA 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
58°F15°C & Mostly Cloudy
Wind is 1 mph1 km/h from the Southwest, gusting to 2 mph4 km/h
| June 6 | ||||
| 9am | 59°F15°C | 0 mph1 km/h West | Mostly Cloudy | |
| 10am | 60°F15°C | 1 mph1 km/h West | Mostly Cloudy | |
| 11am | 61°F16°C | 1 mph2 km/h West | Mostly Cloudy | |
| 12pm | 64°F18°C | 2 mph2 km/h Southwest | Partly Cloudy | |
| 1pm | 69°F20°C | 2 mph4 km/h Southwest | Mostly Clear | |
| 2pm | 74°F23°C | 3 mph5 km/h Southwest | Clear | |
| 3pm | 79°F26°C | 4 mph7 km/h Southwest | Clear | |
| 4pm | 82°F28°C | 6 mph9 km/h Southwest | Clear | |
| 5pm | 85°F29°C | 7 mph11 km/h Southwest | Clear | |
| 6pm | 86°F30°C | 8 mph12 km/h Southwest | Clear | |
| 7pm | 86°F30°C | 9 mph14 km/h Southwest | Clear | |
| 8pm | 84°F29°C | 9 mph14 km/h Southwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 6 | 58°F15°C | 86°F30°C | 5 mph8 km/h from Southwest | Mostly Clear | Mostly Clear |
| June 7 | 59°F15°C | 86°F30°C | 5 mph8 km/h from Southwest | Mostly Clear | Clear |
| June 8 | 60°F16°C | 88°F31°C | 5 mph8 km/h from Southwest | Clear | Clear |
| June 9 | 61°F16°C | 89°F32°C | 5 mph8 km/h from Southwest | Clear | Clear |
| June 10 | 62°F17°C | 91°F33°C | 5 mph8 km/h from Southwest | Clear | Mostly Clear |
| June 11 | 64°F18°C | 88°F31°C | 5 mph8 km/h from Southwest | Clear | Mostly Clear |
| June 12 | 62°F17°C | 84°F29°C | 5 mph8 km/h from Southwest | Mostly Clear | Clear |
No
Low of 59°F15°C, High of 86°F30°CWind: 5 mph8 km/h
Precipitation: None