Weather Forecast Accuracy for Waukegan, Illinois

Today

Mostly Cloudy

28°

/ 19°

Waukegan, Illinois

5 Day Forecast

Tomorrow

Partly Sunny

23°

HIGH

12°

LOW
Wednesday

Partly Sunny

24°

HIGH

8°

LOW
Thursday

Chance Snow

32°

HIGH

10°

LOW
Friday

Slight Chance Snow

32°

HIGH

23°

LOW

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

14.0% of The Weather Channel's high temperature forecasts for Waukegan were exactly right last year.

Further accuracy analysis

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Data provided by ForecastWatch.com.

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