Current Conditions
Waukegan, Illinois
Feels like92°F33°C
Wind
SSW 8 mph13 km/h
Humidity
68%
Cloud Cover
54%
As of Wednesday, September 2, 2026 at 11:30 AM CDT
Today's Outlook
Day
Mostly cloudy and hot, with a high of 87°F30°C and morning low of 78°F26°C — feels like 95°F35°C. Breezy from the SW at 8 to 9 mph12 to 14 km/h. Heat risk in the afternoon.
Night
Partly cloudy, with a low around 81°F27°C. Light wind from the SSW around 6 mph10 km/h. 10% chance of drizzle overnight.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Drizzle | High 87°F30°CFeels 95°F35°C | Low 78°F26°C | Precip 0.01 in0.3 mm10% | Cloud 47% | Wind SW 7 mph12 km/h | Wednesday: Mostly cloudy and hot, with a high of 87°F30°C and morning low of 78°F26°C — feels like 95°F35°C. Breezy from the SW at 8 to 9 mph12 to 14 km/h. Heat risk in the afternoon. Wednesday Night: Partly cloudy, with a low around 81°F27°C. Light wind from the SSW around 6 mph10 km/h. 10% chance of drizzle overnight. | |
| Drizzle | High 83°F28°CFeels 89°F31°C | Low 79°F26°C | Precip 0.05 in1.2 mm16% | Cloud 46% | Wind SSE 7 mph12 km/h | Thursday: Mostly cloudy and warm, with a high of 83°F28°C. Breezy from the SSW at 7 to 8 mph12 to 13 km/h. 16% chance of drizzle throughout the day. Heavy, humid air. Thursday Night: Partly cloudy, with a low around 79°F26°C. Breezy from the SSE at 7 to 8 mph12 to 13 km/h. 15% chance of drizzle before dawn. | |
| Showers | High 82°F28°CFeels 88°F31°C | Low 77°F25°C | Precip 0.19 in4.7 mm42% | Cloud 67% | Wind E 9 mph14 km/h | Friday: Mostly cloudy and warm, with a high of 82°F28°C and morning low of 77°F25°C — feels like 88°F31°C. Breezy from the ESE at 8 to 9 mph14 to 15 km/h. 34% chance of light rain throughout the day. Heavy, humid air. Friday Night: Mostly cloudy, with a low around 77°F25°C. Breezy from the E at 9 to 10 mph14 to 15 km/h. 42% chance of showers throughout the night. | |
| Showers | High 78°F26°C | Low 75°F24°C | Precip 0.13 in3.2 mm33% | Cloud 54% | Wind ENE 9 mph14 km/h | Saturday: Mostly cloudy and warm, with a high of 78°F26°C. Breezy from the ENE at 8 to 10 mph13 to 16 km/h. 28% chance of showers throughout the day. Heavy, humid air. Saturday Night: Mostly cloudy, with a low around 76°F24°C. Breezy from the ENE at 9 to 10 mph14 to 16 km/h. 33% chance of showers overnight. | |
| Drizzle | High 76°F25°C | Low 73°F23°C | Precip 0.06 in1.6 mm13% | Cloud 58% | Wind ESE 8 mph14 km/h | Sunday: Mostly cloudy and warm, with a high of 76°F25°C. Breezy from the ESE at 8 to 9 mph14 to 14 km/h. 13% chance of drizzle throughout the day. Humid. Sunday Night: Mostly cloudy, with a low around 74°F24°C. Breezy from the E at 8 to 9 mph14 to 14 km/h. | |
| Partly Cloudy | High 77°F25°C | Low 72°F22°C | Precip 0.02 in0.5 mm5% | Cloud 56% | Wind SE 9 mph15 km/h | Monday: Mostly cloudy and warm, with a high of 77°F25°C and morning low of 72°F22°C. Breezy from the SE at 9 to 10 mph14 to 16 km/h. Humid. Monday Night: Mostly cloudy, with a low around 73°F23°C. Breezy from the SE at 9 to 11 mph15 to 17 km/h. | |
| Partly Cloudy | High 81°F27°CFeels 84°F29°C | Low 72°F22°C | Precip 0.02 in0.5 mm6% | Cloud 60% | Wind S 13 mph21 km/h | Tuesday: Mostly cloudy and warm, with a high of 81°F27°C and morning low of 72°F22°C. Breezy from the S at 12 to 13 mph20 to 21 km/h. Humid. Tuesday Night: Mostly cloudy, with a low around 73°F23°C. Breezy from the S at 13 to 15 mph21 to 23 km/h. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| WednesdaySep 2 | 87°F30°C Feels 95°F35°C | 78°F26°C | 0.01 in0.3 mm· 10% | 47% | Drizzle | SW 7 mph12 km/h | |
DayMostly cloudy and hot, with a high of 87°F30°C and morning low of 78°F26°C — feels like 95°F35°C. Breezy from the SW at 8 to 9 mph12 to 14 km/h. Heat risk in the afternoon. NightPartly cloudy, with a low around 81°F27°C. Light wind from the SSW around 6 mph10 km/h. 10% chance of drizzle overnight. | |||||||
| ThursdaySep 3 | 83°F28°C Feels 89°F31°C | 79°F26°C | 0.05 in1.2 mm· 16% | 46% | Drizzle | SSE 7 mph12 km/h | |
DayMostly cloudy and warm, with a high of 83°F28°C. Breezy from the SSW at 7 to 8 mph12 to 13 km/h. 16% chance of drizzle throughout the day. Heavy, humid air. NightPartly cloudy, with a low around 79°F26°C. Breezy from the SSE at 7 to 8 mph12 to 13 km/h. 15% chance of drizzle before dawn. | |||||||
| FridaySep 4 | 82°F28°C Feels 88°F31°C | 77°F25°C | 0.19 in4.7 mm· 42% | 67% | Showers | E 9 mph14 km/h | |
DayMostly cloudy and warm, with a high of 82°F28°C and morning low of 77°F25°C — feels like 88°F31°C. Breezy from the ESE at 8 to 9 mph14 to 15 km/h. 34% chance of light rain throughout the day. Heavy, humid air. NightMostly cloudy, with a low around 77°F25°C. Breezy from the E at 9 to 10 mph14 to 15 km/h. 42% chance of showers throughout the night. | |||||||
| SaturdaySep 5 | 78°F26°C | 75°F24°C | 0.13 in3.2 mm· 33% | 54% | Showers | ENE 9 mph14 km/h | |
DayMostly cloudy and warm, with a high of 78°F26°C. Breezy from the ENE at 8 to 10 mph13 to 16 km/h. 28% chance of showers throughout the day. Heavy, humid air. NightMostly cloudy, with a low around 76°F24°C. Breezy from the ENE at 9 to 10 mph14 to 16 km/h. 33% chance of showers overnight. | |||||||
| SundaySep 6 | 76°F25°C | 73°F23°C | 0.06 in1.6 mm· 13% | 58% | Drizzle | ESE 8 mph14 km/h | |
DayMostly cloudy and warm, with a high of 76°F25°C. Breezy from the ESE at 8 to 9 mph14 to 14 km/h. 13% chance of drizzle throughout the day. Humid. NightMostly cloudy, with a low around 74°F24°C. Breezy from the E at 8 to 9 mph14 to 14 km/h. | |||||||
| MondaySep 7 | 77°F25°C | 72°F22°C | 0.02 in0.5 mm· 5% | 56% | Partly Cloudy | SE 9 mph15 km/h | |
DayMostly cloudy and warm, with a high of 77°F25°C and morning low of 72°F22°C. Breezy from the SE at 9 to 10 mph14 to 16 km/h. Humid. NightMostly cloudy, with a low around 73°F23°C. Breezy from the SE at 9 to 11 mph15 to 17 km/h. | |||||||
| TuesdaySep 8 | 81°F27°C Feels 84°F29°C | 72°F22°C | 0.02 in0.5 mm· 6% | 60% | Partly Cloudy | S 13 mph21 km/h | |
DayMostly cloudy and warm, with a high of 81°F27°C and morning low of 72°F22°C. Breezy from the S at 12 to 13 mph20 to 21 km/h. Humid. NightMostly cloudy, with a low around 73°F23°C. Breezy from the S at 13 to 15 mph21 to 23 km/h. | |||||||
| WednesdaySep 9 | 85°F29°C Feels 90°F32°C | 77°F25°C | 0.04 in1 mm· 10% | 38% | Drizzle | SW 13 mph20 km/h | |
DayPartly cloudy and warm, with a high of 85°F29°C and morning low of 77°F25°C. Breezy from the SW at 12 to 13 mph19 to 21 km/h. 10% chance of drizzle in the morning. Heavy, humid air. NightPartly cloudy, with a low around 78°F25°C. Breezy from the SSW at 13 to 15 mph21 to 24 km/h. | |||||||
| ThursdaySep 10 | 80°F27°C | 75°F24°C | 0.15 in3.9 mm· 19% | 50% | Showers | SW 11 mph18 km/h | |
DayMostly cloudy and warm, with a high of 80°F27°C and morning low of 75°F24°C. Breezy from the WSW at 11 mph17 km/h. 19% chance of showers throughout the day. Humid. NightPartly cloudy, with a low around 76°F25°C. Breezy from the SW at 11 to 13 mph18 to 20 km/h. 18% chance of showers throughout the night. | |||||||
| FridaySep 11 | 79°F26°C | 73°F23°C | 0.16 in4 mm· 21% | 58% | Showers | SSW 11 mph18 km/h | |
DayMostly cloudy and warm, with a high of 79°F26°C and morning low of 73°F23°C. Breezy from the SSW at 11 mph18 km/h. 21% chance of showers throughout the day. Humid. NightMostly cloudy, with a low around 74°F23°C. Breezy from the SSW at 11 to 12 mph18 to 19 km/h. 21% chance of showers throughout the night. | |||||||
| SaturdaySep 12 | 77°F25°C | 72°F22°C | 0.18 in4.6 mm· 23% | 61% | Showers | SW 12 mph19 km/h | |
DayMostly cloudy and warm, with a high of 77°F25°C and morning low of 72°F22°C. Breezy from the SW at 12 mph19 km/h. 23% chance of showers throughout the day. NightMostly cloudy, with a low around 73°F23°C. Breezy from the SSW at 12 mph19 km/h. 23% chance of showers throughout the night. | |||||||
| SundaySep 13 | 76°F24°C | 70°F21°C | 0.17 in4.3 mm· 20% | 58% | Showers | WSW 12 mph19 km/h | |
DayMostly cloudy and warm, with a high of 76°F24°C and morning low of 70°F21°C. Breezy from the SW at 12 mph19 km/h. 20% chance of showers throughout the day. NightMostly cloudy, with a low around 71°F22°C. Breezy from the WSW at 12 to 13 mph19 to 20 km/h. 17% chance of showers throughout the night. | |||||||
| MondaySep 14 | 73°F23°C | 68°F20°C | 0.17 in4.4 mm· 22% | 58% | Showers | W 12 mph19 km/h | |
DayMostly cloudy and warm, with a high of 73°F23°C and morning low of 68°F20°C. Breezy from the W at 12 mph19 km/h. 20% chance of showers throughout the day. NightMostly cloudy, with a low around 69°F20°C. Breezy from the WSW at 12 mph19 km/h. 22% chance of showers throughout the night. | |||||||
| TuesdaySep 15 | 72°F22°C | 66°F19°C | 0.15 in3.8 mm· 19% | 52% | Showers | SW 12 mph19 km/h | |
DayMostly cloudy and warm, with a high of 72°F22°C and morning low of 66°F19°C. Breezy from the SSW at 12 mph19 km/h. 19% chance of showers throughout the day. NightMostly cloudy, with a low around 68°F20°C. Breezy from the WSW at 12 mph19 km/h. 19% chance of showers throughout the night. | |||||||
| WednesdaySep 16 | 72°F22°C | 65°F19°C | 0.09 in2.3 mm· 15% | 45% | Drizzle | S 11 mph18 km/h | |
DayPartly cloudy and warm, with a high of 72°F22°C and morning low of 65°F19°C. Breezy from the SSW at 11 mph18 km/h. 11% chance of drizzle throughout the day. NightPartly cloudy, with a low around 66°F19°C. Breezy from the S at 11 to 12 mph18 to 19 km/h. 15% chance of drizzle throughout the night. | |||||||
Nearby Cities
About This Forecast
This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.
WeatherMesh consistently outperforms legacy models in independent benchmarks. View Benchmarks →
Access WeatherMesh forecasts programmatically via our API. API Documentation →
Coordinates: 42.3636°N, 87.8448°W·Elevation: 199m·Timezone: America/Chicago·Population: 88,475