Waukegan, Illinois Weather Forecast
Today in Waukegan: overcast with a high near 64°F and a low around 55°F. Rain chance 52%. Best chance of rain is Thursday at 86%. Highs run 56 to 66°F through Tuesday.
Forecast updated 9:05 AM CDT, Oct 14
Active Weather Alerts
7-Day Forecast for Waukegan
Today 10/14
64°/55°
52%
Thu 10/15
61°/54°
86%
Fri 10/16
56°/43°
86%
Sat 10/17
57°/36°
1%
Sun 10/18
63°/41°
0%
Mon 10/19
64°/46°
3%
Tue 10/20
66°/47°
1%
Next 24 Hours
| Now | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | Thu12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sky | | | | | | | | | |  | | | | | | | | | | | | | | |
| Temp | 64° | 64° | 64° | 63° | 62° | 61° | 60° | 59° | 57° | 56° | 55° | 55° | 55° | 55° | 55° | 56° | 55° | 55° | 55° | 54° | 54° | 55° | 58° | 59° |
| Rain | 2% | 1% | 3% | 5% | 2% | 1% | 0% | 0% | 0% | 0% | 0% | 0% | 1% | 1% | 2% | 2% | 5% | 8% | 18% | 27% | 29% | 35% | 46% | 38% |
| Wind | NE 8 | NE 9 | NE 9 | NNE 10 | NNE 10 | NNE 11 | NNE 11 | NNE 10 | NNE 8 | NNE 8 | NNE 8 | NE 7 | NE 7 | NE 6 | ENE 6 | ENE 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | ESE 8 | ESE 9 |
Growing Conditions
Growing degree days
3,128
since Apr 1, base 50°F
Rain, last 30 days
5.67 in
model analysis
Rain, year to date
34.06 in
since Jan 1
2-inch soil temperature
70°F
yesterday, daily average
Reference ET, last 7 days
0.90 in
FAO-56 grass reference
Through Oct 13. Season totals use model analysis for this point and update every morning.
Soil, ET and spray tools for Waukegan →
Current Stats & Observations
NWS Forecast
About Waukegan Weather
Waukegan sits at about 722 feet above sea level in Lake County, Illinois. About 86,075 people live in the Waukegan area. Official forecasts and warnings for the area come from the National Weather Service LOT office, and the nearest NEXRAD radar site is KMKX. The city is in USDA plant hardiness zone 6a, where the coldest winter night typically falls between -10 to -5°F. Over the past ten years the last spring freeze has come around Apr 18 and the first fall freeze around Nov 3.
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