No
you don't need a jacket based on the weather in Gurnee, IL, USA 1 second ago
64°F18°C & Clear
Wind is 4 mph6 km/h from the S, gusting to 10 mph16 km/h
| July 27 | ||||
| 4am | 64°F18°C | 4 mph6 km/h S | Clear | |
| 5am | 63°F17°C | 3 mph5 km/h SW | Clear | |
| 6am | 62°F17°C | 3 mph5 km/h SW | Clear | |
| 7am | 62°F17°C | 4 mph6 km/h SW | Clear | |
| 8am | 65°F18°C | 4 mph6 km/h S | Clear | |
| 9am | 69°F20°C | 5 mph7 km/h S | Clear | |
| 10am | 72°F22°C | 6 mph9 km/h S | Clear | |
| 11am | 76°F24°C | 6 mph10 km/h S | Clear | |
| 12pm | 79°F26°C | 7 mph11 km/h S | Clear | |
| 1pm | 81°F27°C | 8 mph12 km/h SE | Clear | |
| 2pm | 82°F28°C | 9 mph14 km/h SE | Clear | |
| 3pm | 83°F28°C | 10 mph16 km/h SE | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 27 | 62°F16°C | 83°F28°C | 8 mph13 km/h from SE | Clear | Mostly Cloudy |
| July 28 | 67°F20°C | 79°F26°C | 7 mph11 km/h from S | Drizzle | Drizzle |
| July 29 | 68°F20°C | 85°F29°C | 8 mph12 km/h from SW | Drizzle | Thunderstorms |
| July 30 | 70°F21°C | 86°F30°C | 8 mph13 km/h from W | Partly Cloudy | Mostly Clear |
| July 31 | 70°F21°C | 86°F30°C | 5 mph8 km/h from S | Partly Cloudy | Partly Cloudy |
| August 1 | 70°F21°C | 86°F30°C | 5 mph9 km/h from SE | Mostly Cloudy | Mostly Cloudy |
| August 2 | 71°F22°C | 84°F29°C | 7 mph11 km/h from E | Drizzle | Drizzle |
No
Low of 67°F20°C, High of 79°F26°CWind: 7 mph11 km/h
Precipitation: 52% rain