Flurries

Today

Snow Showers Likely

14°

/ -3°

Waukegan, Illinois

5 Day Forecast

Weather Forecast Accuracy Last Month (December)

Where is AccuWeather?

Weather Forecast Accuracy Last Year (2025)

Microsoft

80.53%

The Weather Channel

79.02%

Foreca

75.59%

AerisWeather

75.30%

Weatherbit

69.37%

Pirate Weather

65.37%

NWS Digital Forecast

64.84%

Wetter.com

61.98%

Open-Meteo

61.19%

World Weather Online

60.52%

OpenWeather

54.11%

Persistence

38.17%

ForecastAdvisor Fact

7.3% of World Weather Online's high temperature forecasts for Waukegan were exactly right last year.

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