Yes
you do need a jacket based on the weather in San Bernardino, CA, USA 21 minutes ago
Why? Because it's cool. Pleasantly cool, but cool!
55°F13°C & Mostly Cloudy
Wind is 5 mph8 km/h from the Southwest, gusting to 14 mph23 km/h
| April 17 | ||||
| 1am | 54°F12°C | 3 mph5 km/h South | Mostly Clear | |
| 2am | 52°F11°C | 3 mph4 km/h South | Mostly Cloudy | |
| 3am | 52°F11°C | 2 mph4 km/h South | Mostly Cloudy | |
| 4am | 51°F11°C | 2 mph4 km/h South | Mostly Cloudy | |
| 5am | 52°F11°C | 3 mph4 km/h Southeast | Mostly Cloudy | |
| 6am | 51°F11°C | 3 mph4 km/h Southeast | Cloudy | |
| 7am | 51°F10°C | 3 mph5 km/h Southeast | Mostly Cloudy | |
| 8am | 51°F10°C | 3 mph5 km/h Southeast | Cloudy | |
| 9am | 51°F11°C | 3 mph4 km/h Southeast | Cloudy | |
| 10am | 51°F11°C | 3 mph5 km/h Southeast | Cloudy | |
| 11am | 53°F11°C | 3 mph5 km/h Southeast | Cloudy | |
| 12pm | 54°F12°C | 3 mph4 km/h South | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 16 | 52°F11°C | 61°F16°C | 3 mph5 km/h from Southwest | Cloudy | Mostly Cloudy |
| April 17 | 51°F10°C | 60°F16°C | 5 mph8 km/h from Southwest | Cloudy | Cloudy |
| April 18 | 51°F10°C | 62°F16°C | 5 mph9 km/h from Southwest | Cloudy | Partly Cloudy |
| April 19 | 48°F9°C | 76°F25°C | 5 mph8 km/h from West | Clear | Clear |
| April 20 | 51°F11°C | 80°F26°C | 5 mph8 km/h from Southwest | Mostly Clear | Partly Cloudy |
| April 21 | 55°F13°C | 78°F26°C | 5 mph8 km/h from Southwest | Mostly Clear | Clear |
| April 22 | 53°F12°C | 74°F24°C | 5 mph7 km/h from Southwest | Clear | Partly Cloudy |
Yes
Low of 51°F11°C, High of 60°F16°CWind: 5 mph8 km/h
Precipitation: None