Weather Tomorrow

Weather Tomorrow in Waukegan, IL

Beach Hazards StatementUntil May 21, 4:45 PM

Beach Hazards Statement issued May 21 at 3:40AM CDT until May 23 at 1:00PM CDT by NWS Chicago IL

Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.

Friday, May 22, 2026

59°Low 47°FColdHot
Cloudy

Precip chance

52%

Wind

10-15 mph

Humidity

73%

Feels like

57–49°F

Rain forecast

Rain likely starts around 12 AM and may continue until 4 AM. Peak chance: 52% around 12 AM.

Data source: National Weather Service (NOAA) · Updated just now

Tomorrow by Hour

47°Temperature trend59°
TimeTempConditionRain %Wind
5 AM50°FMostly Cloudy
4%
10 mph ENE
6 AM50°FMostly Cloudy
1%
10 mph ENE
7 AM51°FMostly Cloudy
2%
10 mph ENE
8 AM50°FMostly Cloudy
2%
10 mph ENE
9 AM49°FMostly Cloudy
3%
15 mph ENE
10 AM47°FMostly Cloudy
4%
15 mph ENE
11 AM47°FMostly Cloudy
5%
15 mph ENE
12 PM48°FMostly Cloudy
6%
15 mph ENE
1 PM49°FMostly Cloudy
6%
15 mph ENE
2 PM51°FMostly Cloudy
6%
15 mph E
3 PM53°FMostly Cloudy
6%
15 mph E
4 PM54°FMostly Cloudy
6%
15 mph E
5 PM55°FPartly Sunny
6%
15 mph ENE
6 PM55°FSlight Chance Rain Showers
18%
15 mph ENE
7 PM57°FSlight Chance Rain Showers
18%
15 mph ENE
8 PM57°FSlight Chance Rain Showers
18%
15 mph NE
9 PM58°FSlight Chance Rain Showers
18%
15 mph NE
10 PM59°FSlight Chance Rain Showers
18%
15 mph NE
11 PM59°FSlight Chance Rain Showers
18%
15 mph ENE
12 AM58°FChance Rain Showers
52%
15 mph ENE
1 AM58°FChance Rain Showers
52%
15 mph ENE
2 AM56°FChance Rain Showers
52%
15 mph E
3 AM54°FChance Rain Showers
52%
15 mph E
4 AM53°FChance Rain Showers
52%
15 mph E

Precipitation Timeline

100%
50%
52%
5a11a5p11p
<20%20-50%50-70%>70%

What to Wear Tomorrow

Mild temperatures — a light layer should do

Clothing

  • T-shirt or long-sleeve
  • Light jacket (for morning/evening)

Footwear

Water-resistant shoes

Accessories

  • Umbrella

Conditions

High: 59°F

Low: 47°F

Wind: 10-15 mph

Rain: 52%

Rain expected around 12 AM — carry an umbrella.

Best Time to Be Outside Tomorrow

9 PM – 10 PM73

Good conditions for being outside (comfortable temp, daylight)

5a11a5p11p

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Frequently Asked Questions

What is the weather forecast for tomorrow in Waukegan, IL?
Tomorrow in Waukegan: High of 59°F, Low of 47°F. Cloudy with 52% chance of precipitation. Wind 10-15 mph.
Will it rain tomorrow in Waukegan?
Rain likely starts around 12 AM and may continue until 4 AM. Peak chance: 52% around 12 AM.
What should I wear tomorrow in Waukegan?
With a high of 59°F and low of 47°F, check our "What to Wear" section above for specific clothing recommendations based on temperature, wind, and precipitation.
How accurate is this forecast?
Our forecasts come directly from the National Weather Service (NOAA), which provides some of the most accurate weather predictions available. Tomorrow forecasts are generally 80-90% accurate, with accuracy decreasing the further out you look. Data is refreshed every 30 minutes.