Crystal Lake, IL Weather
83°F 28°C
Feels Like 93°F / 34°C

Today's Weather in Crystal Lake,IL
Listen to this weather report - press Read
- Barometer 29.87 inHg. falling
- Humidity 63% falling
- Heat Index 82°F
- Wind from WSW. 9.6 mph
- Wind Gust 13 miles per hour
- Wind Chill 77°F
- UV Index 1.1
- Dew Point 69°F falling
- Visibility 9 mi.
- Sunrise 5:34 AM
- Sunset 8:25 PM
- Moonrise 12:25 AM
- Moonset 3:42 PM
- Moon Phase Waning Crescent Moon
Ask About Weather
Test our newly developed Weather Chatbot. It provides up to 10 days of forecast information!Hourly Forecast - Next 8 hours
5 Day Forecast
Overcast
Overcast with a high of 72°F and a low of 61°F. Winds will be light at 10mph at times. Expect high humidity with levels above 80% to 94%.
Temperature | Humidity | Rainfall | Snow | Wind |
---|---|---|---|---|
Hi 72° | Lo 61° | 94% | 0% | 0% | 9.6 mph |
Cloudy
Cloudy with a high of 81°F and a low of 58°F. Winds will be moderate, blowing around 12mph. Expect high humidity with levels above 80% to 83%.
Temperature | Humidity | Rainfall | Snow | Wind |
---|---|---|---|---|
Hi 81° | Lo 58° | 83% | 0% | 0% | 11.6 mph |
Moderate Rain
Moderate Rain with a high of 91°F and a low of 69°F. Probable rainfall forecasted, having an 82% chance with an estimated 0.66in. Winds will be moderate, blowing around 12mph. Expect high humidity with levels above 80% to 86%.
Temperature | Humidity | Rainfall | Snow | Wind |
---|---|---|---|---|
Hi 91° | Lo 69° | 86% | 82% | est. 0.66in | 0% | 11.4 mph |
Partly Cloudy
Partly Cloudy with a high of 90°F and a low of 70°F. Winds will be moderate, blowing around 16mph. Expect high humidity with levels above 80% to 84%.
Temperature | Humidity | Rainfall | Snow | Wind |
---|---|---|---|---|
Hi 90° | Lo 70° | 84% | 0% | 0% | 15.4 mph |
Patchy Rain Nearby
Patchy Rain Nearby with a high of 89°F and a low of 76°F. Probable rainfall forecasted, having a 51% chance with an estimated 0.1in. Winds will be moderate, blowing around 15mph. Expect high humidity with levels above 80% to 85%.
Temperature | Humidity | Rainfall | Snow | Wind |
---|---|---|---|---|
Hi 89° | Lo 76° | 85% | 51% | est. 0.1in | 0% | 14.3 mph |
Weather Radar Map
Live Crystal Lake, IL weather with granular precipitation, radar, barometric pressure, temperatures and wind speeds for today thru Wednesday, as you toggle through each map layer. Use the slider to move forward and back in time to view how current data and forecasts will affect the region; you can press or click on the map to show metrics available for each tab. The related timestamp is located above the Play button which will animate the weather forecast.
Hourly Temperature
The current temperature today is 83°F. The morning temperature of 64°F is lowest at 12am with the daytime high of 83°F at 6pm and a low around 70°F at 9pm is expected.
Hourly Barometric Pressure
The highest pressure today is 30.02inHg at 12am and lowest being 29.87inHg at 4pm.
Hourly Wind Speeds
The fastest wind is reported to be 13.2mph at 8pm, while the slowest is 2mph around 11pm; expect wind gusts peaking 26.6mph at 8pm.