No
you don't need a jacket based on the weather in Lake Forest, IL, USA 1 second ago
70°F21°C & Clear
Wind is 11 mph17 km/h from the Southeast, gusting to 15 mph24 km/h
| June 8 | ||||
| 1pm | 71°F21°C | 11 mph18 km/h Southeast | Mostly Cloudy | |
| 2pm | 73°F23°C | 9 mph15 km/h South | Mostly Cloudy | |
| 3pm | 75°F24°C | 11 mph18 km/h Southwest | Mostly Cloudy | |
| 4pm | 76°F24°C | 14 mph22 km/h Southwest | Mostly Cloudy | |
| 5pm | 74°F23°C | 12 mph19 km/h West | Thunderstorms | |
| 6pm | 75°F24°C | 14 mph23 km/h West | Cloudy | |
| 7pm | 73°F23°C | 13 mph21 km/h West | Cloudy | |
| 8pm | 70°F21°C | 9 mph15 km/h West | Mostly Cloudy | |
| 9pm | 68°F20°C | 8 mph13 km/h West | Mostly Cloudy | |
| 10pm | 66°F19°C | 5 mph9 km/h West | Partly Cloudy | |
| 11pm | 64°F18°C | 6 mph10 km/h West | Mostly Clear | |
| June 9 | ||||
| 12am | 62°F17°C | 7 mph11 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 8 | 58°F14°C | 76°F24°C | 9 mph15 km/h from Southwest | Thunderstorms | Mostly Clear |
| June 9 | 56°F13°C | 68°F20°C | 12 mph19 km/h from West | Rain | Clear |
| June 10 | 55°F13°C | 74°F23°C | 10 mph16 km/h from West | Mostly Clear | Clear |
| June 11 | 61°F16°C | 83°F28°C | 12 mph20 km/h from Southwest | Clear | Partly Cloudy |
| June 12 | 60°F15°C | 73°F23°C | 7 mph11 km/h from Northeast | Drizzle | Drizzle |
| June 13 | 58°F15°C | 75°F24°C | 5 mph8 km/h from Southeast | Drizzle | Cloudy |
| June 14 | 59°F15°C | 70°F21°C | 9 mph14 km/h from Northeast | Rain | Cloudy |
Yes
Low of 56°F14°C, High of 68°F20°CWind: 12 mph19 km/h
Precipitation: 31% rain