Waukegan, IL 60079 Monthly Weather

Lake County3:58 AM CDT42.36°N, 87.84°W
← September

October 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
166°/59°1.34 inAvg 66°/50°
264°/49°Avg 66°/50°
363°/56°Avg 66°/49°
471°/51°Avg 65°/49°
563°/46°Avg 65°/48°
673°/52°Avg 64°/48°
773°/52°Avg 64°/48°
870°/49°Avg 64°/47°
966°/50°0.05 inAvg 63°/47°
1073°/60°Avg 63°/47°
1166°/52°Avg 62°/46°
1287°/57°Avg 62°/46°
1381°/62°0.13 inAvg 62°/46°
1464°/57°Avg 61°/45°
1561°/56°0.50 inAvg 61°/45°
1661°/41°Avg 60°/44°
1758°/36°Avg 60°/44°
1863°/36°Avg 60°/44°
1964°/37°Avg 59°/43°
20Avg 59°/43°
21 Areas Of Fog then Sunny 69°/48°Avg 58°/43°
22 Sunny 66°/47°Avg 58°/42°
23 Sunny 65°/51°Avg 58°/42°
24 Mostly Sunny 67°/53°Avg 57°/42°
25 Partly Sunny 69°/50°Avg 57°/41°
26 Partly Sunny 62°/46°Avg 56°/41°
27 Chance Rain Showers 57°/–Avg 56°/40°
28 Sunny 51°/37°Avg 56°/40°
29 Partly cloudy 53°/36°Avg 55°/40°
30Avg 55°/39°
31Avg 54°/39°
Average high68° (normal 63°)
Average low50° (normal 47°)
Warmest / coldest87° / 36°
Precipitation2.02 in (normal 2.20 in to date)
Record high today87° (1947)
Record low today21° (2018)

Observed: Kenosha Wwtp, 22 km away, records since 1944. Normals 1991–2020. Climate data from NOAA's Regional Climate Centers (ACIS); recent days are preliminary. Days ahead: the forecast.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.