No
you don't need a jacket based on the weather in Rancho Cucamonga, CA, USA 1 second ago
60°F16°C & Clear
Wind is 6 mph9 km/h from the W, gusting to 14 mph23 km/h
| April 19 | ||||
| 12am | 60°F15°C | 5 mph9 km/h W | Clear | |
| 1am | 58°F14°C | 3 mph5 km/h W | Clear | |
| 2am | 56°F13°C | 3 mph5 km/h W | Clear | |
| 3am | 54°F12°C | 2 mph4 km/h W | Mostly Clear | |
| 4am | 54°F12°C | 2 mph3 km/h NW | Partly Cloudy | |
| 5am | 53°F11°C | 2 mph4 km/h W | Partly Cloudy | |
| 6am | 52°F11°C | 2 mph3 km/h NW | Partly Cloudy | |
| 7am | 51°F11°C | 1 mph2 km/h NW | Partly Cloudy | |
| 8am | 51°F10°C | 2 mph3 km/h NW | Partly Cloudy | |
| 9am | 50°F10°C | 2 mph3 km/h NW | Partly Cloudy | |
| 10am | 51°F11°C | 1 mph2 km/h W | Partly Cloudy | |
| 11am | 53°F11°C | 2 mph3 km/h S | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 18 | 54°F12°C | 76°F25°C | 5 mph9 km/h from SW | Partly Cloudy | Mostly Clear |
| April 19 | 50°F10°C | 69°F21°C | 6 mph9 km/h from SW | Mostly Clear | Mostly Clear |
| April 20 | 51°F10°C | 74°F23°C | 5 mph8 km/h from SW | Mostly Clear | Clear |
| April 21 | 58°F14°C | 82°F28°C | 5 mph9 km/h from SW | Clear | Clear |
| April 22 | 55°F13°C | 75°F24°C | 7 mph11 km/h from SW | Clear | Partly Cloudy |
| April 23 | 50°F10°C | 66°F19°C | 6 mph10 km/h from SW | Partly Cloudy | Partly Cloudy |
| April 24 | 48°F9°C | 61°F16°C | 6 mph10 km/h from SW | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 50°F10°C, High of 69°F21°CWind: 6 mph9 km/h
Precipitation: None