Yes
you do need a jacket based on the weather in Arlington Heights, IL, USA 1 second ago
Why? Because it's cool enough your breath is visible, but your nose isn’t red yet!
40°F5°C & Haze
Wind is 2 mph4 km/h from the Southeast, gusting to 6 mph10 km/h
| January 31 | ||||
| 3am | 40°F4°C | 3 mph5 km/h Southeast | Haze | |
| 4am | 40°F4°C | 3 mph5 km/h East | Haze | |
| 5am | 40°F4°C | 3 mph5 km/h Northeast | Foggy | |
| 6am | 40°F4°C | 5 mph8 km/h East | Foggy | |
| 7am | 39°F4°C | 7 mph11 km/h Northeast | Drizzle | |
| 8am | 39°F4°C | 8 mph12 km/h Northeast | Drizzle | |
| 9am | 40°F4°C | 8 mph14 km/h Northeast | Rain | |
| 10am | 39°F4°C | 10 mph16 km/h Northeast | Rain | |
| 11am | 39°F4°C | 12 mph19 km/h Northeast | Rain | |
| 12pm | 39°F4°C | 11 mph18 km/h Northeast | Rain | |
| 1pm | 39°F4°C | 14 mph22 km/h Northeast | Rain | |
| 2pm | 38°F4°C | 14 mph22 km/h Northeast | Rain | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| January 31 | 30°F-1°C | 40°F5°C | 13 mph20 km/h from Northeast | Rain | Partly Cloudy |
| February 1 | 28°F-2°C | 34°F1°C | 10 mph16 km/h from East | Cloudy | Cloudy |
| February 2 | 32°F0°C | 47°F8°C | 7 mph11 km/h from Southwest | Cloudy | Mostly Cloudy |
| February 3 | 30°F-1°C | 40°F4°C | 9 mph14 km/h from Northeast | Cloudy | Mostly Cloudy |
| February 4 | 22°F-6°C | 36°F2°C | 9 mph14 km/h from Northeast | Cloudy | Cloudy |
| February 5 | 30°F-1°C | 39°F4°C | 8 mph12 km/h from East | Rain | Rain |
| February 6 | 27°F-3°C | 39°F4°C | 8 mph13 km/h from Northwest | Rain | Mostly Cloudy |
Yes
Low of 28°F-2°C, High of 34°F1°CWind: 10 mph16 km/h
Precipitation: None