Yes
you do need a jacket based on the weather in Montgomery, IL, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
58°F14°C & Cloudy
Wind is 10 mph16 km/h from the East, gusting to 19 mph30 km/h
| May 24 | ||||
| 10pm | 57°F14°C | 10 mph15 km/h East | Cloudy | |
| 11pm | 55°F13°C | 9 mph14 km/h East | Cloudy | |
| May 25 | ||||
| 12am | 54°F12°C | 8 mph13 km/h East | Cloudy | |
| 1am | 53°F12°C | 7 mph12 km/h East | Cloudy | |
| 2am | 52°F11°C | 5 mph9 km/h East | Cloudy | |
| 3am | 52°F11°C | 6 mph9 km/h East | Cloudy | |
| 4am | 51°F11°C | 6 mph10 km/h East | Cloudy | |
| 5am | 51°F10°C | 6 mph9 km/h East | Cloudy | |
| 6am | 50°F10°C | 5 mph8 km/h East | Drizzle | |
| 7am | 51°F10°C | 4 mph6 km/h East | Drizzle | |
| 8am | 51°F11°C | 4 mph7 km/h East | Cloudy | |
| 9am | 52°F11°C | 4 mph7 km/h East | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 24 | 43°F6°C | 69°F21°C | 3 mph4 km/h from East | Partly Cloudy | Cloudy |
| May 25 | 48°F9°C | 67°F19°C | 7 mph11 km/h from East | Mostly Cloudy | Mostly Clear |
| May 26 | 44°F7°C | 68°F20°C | 10 mph15 km/h from East | Partly Cloudy | Mostly Cloudy |
| May 27 | 51°F11°C | 65°F18°C | 11 mph18 km/h from Northeast | Rain | Rain |
| May 28 | 54°F12°C | 64°F18°C | 13 mph20 km/h from West | Rain | Partly Cloudy |
| May 29 | 52°F11°C | 70°F21°C | 9 mph15 km/h from Northwest | Partly Cloudy | Partly Cloudy |
| May 30 | 55°F13°C | 70°F21°C | 9 mph14 km/h from Northwest | Partly Cloudy | Partly Cloudy |
Yes
Low of 48°F9°C, High of 67°F20°CWind: 7 mph11 km/h
Precipitation: 24% rain