Crystal Lake, IL Monthly Weather

Altitude - 277m | 42°14′24″N,88°19′12″W | map (OSM)

Crystal Lake, IL

°F

2:30 amPartly Cloudy13mphS

Sat, December 20, 20253:06 AM (GMT -06:00)

December

Sun	Mon	Tue	Wed	Thu	Fri	Sat Dec 20 36 °F low21 °F
Sun Dec 21 25 °F low10 °F	Mon Dec 22 37 °F low20 °F	Tue Dec 23 44 °F low31 °F	Wed Dec 24 42 °F low30 °F	Thu Dec 25 49 °F low41 °F	Fri Dec 26 46 °F low34 °F	Sat Dec 27 40 °F low31 °F
Sun Dec 28 34 °F low28 °F	Mon Dec 29 33 °F low25 °F	Tue Dec 30 34 °F low26 °F	Wed Dec 31 36 °F low28 °F	Thu	Fri	Sat

January

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Mon

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Last updated 7h 31min ago

Temperature in Crystal Lake, IL for month

* Crystal Lake, IL Monthly weather is based on statistical data for the last 10 years. It is intended for personal use on an "as is" basis. This page provides the weather forecast for the next 30 days. In this forecast option you can see precipitation icons and maximum air temperature. The first 14 days reflect the current weather forecast for Crystal Lake, IL, and the following days reflect the weather based on statistical data from the last few years of measurements. This weather forecast will be useful for a general understanding of weather changes the nearest month for Crystal Lake, IL. Please note that long-term forecasts are not a forecast as such, but only reflect the statistics of past years.