No
you don't need a jacket based on the weather in San Bernardino, CA, USA 1 second ago
59°F15°C & Clear
Wind is 1 mph2 km/h from the East, gusting to 3 mph5 km/h
| October 16 | ||||
| 5pm | 61°F16°C | 1 mph1 km/h Northeast | Clear | |
| 6pm | 66°F19°C | 2 mph3 km/h South | Clear | |
| 7pm | 72°F22°C | 1 mph2 km/h West | Clear | |
| 8pm | 75°F24°C | 5 mph8 km/h North | Clear | |
| 9pm | 77°F25°C | 7 mph11 km/h North | Clear | |
| 10pm | 78°F25°C | 8 mph14 km/h North | Clear | |
| 11pm | 78°F25°C | 8 mph13 km/h North | Clear | |
| October 17 | ||||
| 12am | 76°F24°C | 6 mph10 km/h Northwest | Clear | |
| 1am | 73°F23°C | 5 mph8 km/h Northwest | Clear | |
| 2am | 69°F20°C | 5 mph8 km/h Northwest | Clear | |
| 3am | 66°F19°C | 4 mph7 km/h Northwest | Clear | |
| 4am | 63°F17°C | 3 mph5 km/h Northeast | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 16 | 48°F9°C | 78°F25°C | 4 mph7 km/h from North | Clear | Clear |
| October 17 | 53°F12°C | 81°F27°C | 5 mph7 km/h from North | Clear | Clear |
| October 18 | 54°F12°C | 83°F28°C | 3 mph5 km/h from West | Clear | Mostly Clear |
| October 19 | 55°F13°C | 82°F28°C | 3 mph5 km/h from West | Clear | Clear |
| October 20 | 55°F13°C | 82°F28°C | 3 mph5 km/h from Southwest | Clear | Clear |
| October 21 | 59°F15°C | 78°F25°C | 4 mph6 km/h from Southwest | Clear | Partly Cloudy |
| October 22 | 56°F13°C | 70°F21°C | 4 mph6 km/h from Southwest | Partly Cloudy | Mostly Clear |
Yes
Low of 53°F12°C, High of 81°F27°CWind: 5 mph7 km/h
Precipitation: None