No
you don't need a jacket based on the weather in Fontana, CA, USA 1 second ago
78°F26°C & Clear
Wind is 7 mph12 km/h from the West, gusting to 11 mph17 km/h
| February 25 | ||||
| 3pm | 79°F26°C | 8 mph12 km/h West | Clear | |
| 4pm | 81°F27°C | 9 mph14 km/h West | Clear | |
| 5pm | 81°F27°C | 10 mph15 km/h West | Clear | |
| 6pm | 81°F27°C | 10 mph15 km/h West | Clear | |
| 7pm | 79°F26°C | 9 mph14 km/h West | Clear | |
| 8pm | 76°F25°C | 7 mph11 km/h West | Clear | |
| 9pm | 71°F21°C | 4 mph7 km/h Southwest | Clear | |
| 10pm | 67°F20°C | 3 mph6 km/h Northwest | Clear | |
| 11pm | 65°F18°C | 3 mph5 km/h Northwest | Clear | |
| February 26 | ||||
| 12am | 63°F17°C | 4 mph6 km/h North | Clear | |
| 1am | 61°F16°C | 4 mph7 km/h Northeast | Clear | |
| 2am | 60°F16°C | 5 mph8 km/h Northeast | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| February 25 | 53°F12°C | 81°F27°C | 6 mph9 km/h from West | Clear | Clear |
| February 26 | 55°F13°C | 82°F28°C | 7 mph11 km/h from North | Clear | Mostly Clear |
| February 27 | 56°F14°C | 79°F26°C | 6 mph10 km/h from North | Partly Cloudy | Partly Cloudy |
| February 28 | 51°F10°C | 67°F20°C | 6 mph9 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| March 1 | 46°F8°C | 63°F17°C | 4 mph7 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| March 2 | 46°F8°C | 58°F14°C | 7 mph11 km/h from Southwest | Mostly Cloudy | Rain |
| March 3 | 45°F7°C | 57°F14°C | 5 mph8 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 55°F13°C, High of 82°F28°CWind: 7 mph11 km/h
Precipitation: None