Current Weather
8:29 PM
71°F
Mostly clear
RealFeel® 72°
Pleasant
RealFeel®
72°
Wind
NE 3 mph
Wind Gusts
7 mph
Humidity
84%
Indoor Humidity
84% (Humid)
Dew Point
66° F
Pressure
↑ 29.90 in
Cloud Cover
16%
Visibility
12 mi
Cloud Ceiling
40000 ft
Night
8/2
57°Lo
RealFeel®
56°
Cool
A crystal-clear sky; a comfortable night for sleeping
WindNNE 6 mph
Wind Gusts17 mph
Probability of Precipitation2%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover2%
Sun & Moon
14 hrs 25 mins
Rise
5:47 AM
Set
8:12 PM
Waning Gibbous
Rise
10:00 PM
Set
11:04 AM
Temperature History
8/2High
Low
Forecast
76°
57°
Average
83°
64°
Last Year
79°
54°
Record
97°
2006
54°
2025
Current Weather Conditions in Crystal Lake
Crystal Lake, Illinois is currently Mostly clear with a temperature of 71°. The current RealFeel® Temperature is 72° (Pleasant) based on observed conditions including 84% humidity, 16% cloud cover, a UV index of 0, and winds of 3 mph. In shade, the RealFeel Shade™ is 72°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for Crystal Lake, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.