Yes
you do need a jacket based on the weather in Rancho Cucamonga, CA, USA 1 second ago
Why? Because it's pretty chilly.
55°F13°C & Cloudy
Wind is 7 mph12 km/h from the SW, gusting to 16 mph25 km/h
| April 25 | ||||
| 12am | 55°F13°C | 7 mph12 km/h SW | Cloudy | |
| 1am | 54°F12°C | 6 mph10 km/h SW | Cloudy | |
| 2am | 53°F12°C | 6 mph10 km/h SW | Cloudy | |
| 3am | 52°F11°C | 6 mph10 km/h SW | Cloudy | |
| 4am | 52°F11°C | 6 mph10 km/h SW | Cloudy | |
| 5am | 51°F11°C | 6 mph9 km/h SW | Cloudy | |
| 6am | 51°F10°C | 6 mph10 km/h SW | Cloudy | |
| 7am | 50°F10°C | 6 mph10 km/h SW | Cloudy | |
| 8am | 50°F10°C | 6 mph10 km/h SW | Cloudy | |
| 9am | 49°F10°C | 6 mph9 km/h SW | Cloudy | |
| 10am | 49°F9°C | 6 mph9 km/h SW | Cloudy | |
| 11am | 50°F10°C | 5 mph9 km/h SW | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 24 | 51°F10°C | 65°F18°C | 6 mph10 km/h from SW | Mostly Cloudy | Cloudy |
| April 25 | 49°F9°C | 60°F16°C | 7 mph12 km/h from SW | Mostly Cloudy | Cloudy |
| April 26 | 49°F9°C | 63°F17°C | 8 mph13 km/h from SW | Mostly Cloudy | Partly Cloudy |
| April 27 | 49°F9°C | 69°F20°C | 6 mph10 km/h from SW | Mostly Clear | Clear |
| April 28 | 52°F11°C | 76°F24°C | 5 mph8 km/h from SW | Clear | Clear |
| April 29 | 57°F14°C | 78°F26°C | 5 mph8 km/h from SW | Clear | Clear |
| April 30 | 56°F14°C | 78°F26°C | 6 mph9 km/h from SW | Clear | Mostly Clear |
Yes
Low of 49°F10°C, High of 60°F16°CWind: 7 mph12 km/h
Precipitation: 11% rain