Yes
you do need a jacket based on the weather in Ontario, CA, USA 1 second ago
Why? Because a jacket will keep you cozy, but you won't break a seat!
51°F10°C & Cloudy
Wind is 4 mph7 km/h from the Southeast, gusting to 13 mph21 km/h
| March 13 | ||||
| 6am | 51°F10°C | 6 mph10 km/h South | Rain | |
| 7am | 50°F10°C | 6 mph10 km/h Southeast | Heavy Rain | |
| 8am | 49°F9°C | 14 mph23 km/h West | Rain | |
| 9am | 46°F8°C | 13 mph20 km/h West | Rain | |
| 10am | 45°F7°C | 10 mph15 km/h West | Rain | |
| 11am | 45°F7°C | 11 mph18 km/h West | Rain | |
| 12pm | 46°F8°C | 9 mph14 km/h West | Rain | |
| 1pm | 47°F8°C | 10 mph15 km/h West | Drizzle | |
| 2pm | 48°F9°C | 9 mph15 km/h Southwest | Mostly Cloudy | |
| 3pm | 49°F9°C | 11 mph17 km/h West | Mostly Cloudy | |
| 4pm | 50°F10°C | 13 mph21 km/h West | Mostly Cloudy | |
| 5pm | 51°F11°C | 14 mph23 km/h West | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 13 | 42°F6°C | 53°F12°C | 12 mph19 km/h from West | Rain | Partly Cloudy |
| March 14 | 39°F4°C | 47°F8°C | 3 mph5 km/h from Southeast | Rain | Mostly Cloudy |
| March 15 | 42°F6°C | 61°F16°C | 4 mph7 km/h from Southwest | Partly Cloudy | Mostly Clear |
| March 16 | 45°F7°C | 68°F20°C | 4 mph6 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| March 17 | 48°F9°C | 65°F18°C | 7 mph11 km/h from Southwest | Partly Cloudy | Drizzle |
| March 18 | 44°F7°C | 62°F16°C | 4 mph7 km/h from Southwest | Mostly Clear | Clear |
| March 19 | 44°F7°C | 66°F19°C | 4 mph7 km/h from Northeast | Clear | Clear |
Yes
Low of 39°F4°C, High of 46°F8°CWind: 3 mph5 km/h
Precipitation: 56% rain