No
you don't need a jacket based on the weather in Rancho Cucamonga, CA, USA 9 minutes ago
76°F24°C & Partly Cloudy
Wind is 4 mph7 km/h from the South, gusting to 16 mph25 km/h
| February 28 | ||||
| 5pm | 72°F22°C | 13 mph20 km/h Southwest | Partly Cloudy | |
| 6pm | 69°F21°C | 12 mph20 km/h West | Clear | |
| 7pm | 67°F20°C | 11 mph18 km/h West | Clear | |
| 8pm | 65°F18°C | 9 mph14 km/h Southwest | Mostly Clear | |
| 9pm | 61°F16°C | 6 mph10 km/h Southwest | Mostly Clear | |
| 10pm | 58°F15°C | 5 mph8 km/h West | Mostly Clear | |
| 11pm | 56°F14°C | 4 mph7 km/h West | Mostly Clear | |
| March 1 | ||||
| 12am | 55°F13°C | 3 mph5 km/h West | Mostly Clear | |
| 1am | 53°F12°C | 3 mph5 km/h West | Partly Cloudy | |
| 2am | 53°F12°C | 3 mph4 km/h West | Partly Cloudy | |
| 3am | 52°F11°C | 3 mph4 km/h West | Mostly Cloudy | |
| 4am | 52°F11°C | 3 mph5 km/h West | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| February 28 | 52°F11°C | 76°F24°C | 6 mph10 km/h from Southwest | Mostly Clear | Mostly Cloudy |
| March 1 | 50°F10°C | 62°F17°C | 6 mph10 km/h from Southwest | Mostly Cloudy | Cloudy |
| March 2 | 44°F7°C | 55°F13°C | 8 mph13 km/h from Southwest | Rain | Drizzle |
| March 3 | 43°F6°C | 56°F13°C | 6 mph10 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| March 4 | 45°F7°C | 58°F15°C | 4 mph6 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| March 5 | 47°F8°C | 57°F14°C | 5 mph8 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
| March 6 | 45°F7°C | 60°F16°C | 5 mph7 km/h from South | Mostly Clear | Clear |
Yes
Low of 50°F10°C, High of 62°F17°CWind: 6 mph10 km/h
Precipitation: None