Yes
you do need a jacket based on the weather in Ontario, CA, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
58°F15°C & Partly Cloudy
Wind is 2 mph3 km/h from the South, gusting to 5 mph8 km/h
| November 23 | ||||
| 1pm | 59°F15°C | 2 mph3 km/h Southeast | Partly Cloudy | |
| 2pm | 61°F16°C | 2 mph4 km/h Southwest | Mostly Cloudy | |
| 3pm | 62°F17°C | 3 mph5 km/h Southwest | Mostly Cloudy | |
| 4pm | 63°F17°C | 4 mph6 km/h West | Mostly Cloudy | |
| 5pm | 62°F17°C | 4 mph7 km/h West | Mostly Cloudy | |
| 6pm | 61°F16°C | 5 mph7 km/h West | Mostly Cloudy | |
| 7pm | 59°F15°C | 3 mph5 km/h West | Cloudy | |
| 8pm | 58°F14°C | 2 mph4 km/h West | Cloudy | |
| 9pm | 56°F14°C | 2 mph3 km/h West | Cloudy | |
| 10pm | 56°F13°C | 2 mph3 km/h West | Cloudy | |
| 11pm | 56°F13°C | 1 mph2 km/h West | Cloudy | |
| November 24 | ||||
| 12am | 55°F13°C | 2 mph3 km/h West | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| November 23 | 45°F7°C | 63°F17°C | 3 mph5 km/h from West | Mostly Cloudy | Mostly Cloudy |
| November 24 | 51°F10°C | 63°F17°C | 5 mph7 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| November 25 | 50°F10°C | 68°F20°C | 2 mph4 km/h from Southwest | Mostly Cloudy | Drizzle |
| November 26 | 55°F13°C | 63°F17°C | 2 mph3 km/h from Southwest | Drizzle | Cloudy |
| November 27 | 56°F13°C | 63°F17°C | 4 mph6 km/h from Southwest | Drizzle | Mostly Cloudy |
| November 28 | 54°F12°C | 69°F21°C | 3 mph5 km/h from East | Mostly Cloudy | Mostly Cloudy |
| November 29 | 54°F12°C | 67°F20°C | 3 mph5 km/h from East | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 51°F11°C, High of 64°F18°CWind: 5 mph7 km/h
Precipitation: None