No
you don't need a jacket based on the weather in Lasalle, IL, USA 1 second ago
70°F21°C & Clear
Wind is 2 mph4 km/h from the East, gusting to 5 mph8 km/h
| July 15 | ||||
| 2am | 70°F21°C | 3 mph5 km/h East | Clear | |
| 3am | 69°F20°C | 2 mph4 km/h Southeast | Clear | |
| 4am | 68°F20°C | 3 mph4 km/h East | Clear | |
| 5am | 67°F19°C | 3 mph5 km/h East | Clear | |
| 6am | 67°F19°C | 3 mph4 km/h East | Clear | |
| 7am | 67°F20°C | 2 mph4 km/h East | Clear | |
| 8am | 70°F21°C | 3 mph4 km/h East | Clear | |
| 9am | 74°F23°C | 4 mph6 km/h Southeast | Clear | |
| 10am | 78°F26°C | 5 mph8 km/h Southeast | Mostly Clear | |
| 11am | 81°F27°C | 6 mph10 km/h Southeast | Mostly Clear | |
| 12pm | 83°F28°C | 6 mph10 km/h South | Mostly Clear | |
| 1pm | 85°F30°C | 6 mph10 km/h South | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 15 | 67°F19°C | 88°F31°C | 6 mph10 km/h from South | Mostly Clear | Mostly Clear |
| July 16 | 71°F22°C | 89°F32°C | 8 mph12 km/h from Southwest | Drizzle | Thunderstorms |
| July 17 | 66°F19°C | 79°F26°C | 9 mph14 km/h from Northwest | Drizzle | Drizzle |
| July 18 | 63°F17°C | 81°F27°C | 4 mph7 km/h from Northeast | Partly Cloudy | Partly Cloudy |
| July 19 | 68°F20°C | 83°F29°C | 7 mph11 km/h from South | Rain | Rain |
| July 20 | 71°F22°C | 84°F29°C | 6 mph10 km/h from Northeast | Rain | Rain |
| July 21 | 67°F19°C | 85°F29°C | 5 mph9 km/h from Southeast | Heavy Rain | Drizzle |
No
Low of 72°F22°C, High of 89°F32°CWind: 8 mph12 km/h
Precipitation: 31% rain