No
you don't need a jacket based on the weather in San Bernardino, CA, USA 1 second ago
77°F25°C & Clear
Wind is 7 mph11 km/h from the W, gusting to 11 mph17 km/h
| April 18 | ||||
| 9pm | 74°F23°C | 7 mph12 km/h W | Clear | |
| 10pm | 70°F21°C | 7 mph11 km/h SW | Clear | |
| 11pm | 66°F19°C | 4 mph7 km/h SW | Clear | |
| April 19 | ||||
| 12am | 63°F17°C | 3 mph5 km/h SW | Clear | |
| 1am | 61°F16°C | 2 mph4 km/h S | Clear | |
| 2am | 59°F15°C | 2 mph3 km/h S | Mostly Clear | |
| 3am | 58°F14°C | 2 mph3 km/h S | Mostly Clear | |
| 4am | 56°F13°C | 2 mph3 km/h SW | Partly Cloudy | |
| 5am | 55°F13°C | 2 mph3 km/h S | Partly Cloudy | |
| 6am | 54°F12°C | 2 mph3 km/h S | Mostly Cloudy | |
| 7am | 53°F12°C | 2 mph2 km/h S | Mostly Cloudy | |
| 8am | 53°F12°C | 1 mph2 km/h S | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 18 | 55°F13°C | 79°F26°C | 4 mph7 km/h from SW | Partly Cloudy | Mostly Clear |
| April 19 | 52°F11°C | 73°F23°C | 5 mph8 km/h from SW | Mostly Clear | Mostly Clear |
| April 20 | 51°F11°C | 77°F25°C | 4 mph7 km/h from SW | Mostly Clear | Clear |
| April 21 | 56°F13°C | 86°F30°C | 5 mph8 km/h from SW | Clear | Clear |
| April 22 | 58°F15°C | 79°F26°C | 5 mph9 km/h from SW | Clear | Partly Cloudy |
| April 23 | 54°F12°C | 69°F20°C | 5 mph9 km/h from SW | Partly Cloudy | Mostly Cloudy |
| April 24 | 50°F10°C | 65°F18°C | 5 mph8 km/h from SW | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 53°F12°C, High of 73°F23°CWind: 5 mph8 km/h
Precipitation: None