Current Weather
5:42 AM
57°F
Sunny
RealFeel® 60°
Cool
RealFeel Shade™ 59°
Cool
RealFeel®
60°
RealFeel Shade™
59°
Max UV Index
0.3 (Low)
Wind
N 1 mph
Wind Gusts
2 mph
Humidity
84%
Indoor Humidity
57% (Ideal Humidity)
Dew Point
53° F
Pressure
↔ 29.98 in
Cloud Cover
0%
Visibility
17 mi
Cloud Ceiling
40000 ft
Day
5/27
86°Hi
RealFeel®
92°
Hot
RealFeel Shade™
83°
Very Warm
Very warm with sun and some clouds
Max UV Index10.0 (Very High)
AccuLumen Brightness Index™9 (Very Bright)
WindNNE 7 mph
Wind Gusts16 mph
Probability of Precipitation2%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover28%
Night
5/27
52°Lo
RealFeel®
48°
Chilly
Mostly clear
WindNE 9 mph
Wind Gusts17 mph
Probability of Precipitation25%
Probability of Thunderstorms6%
Precipitation0.00 in
Cloud Cover12%
Sun & Moon
14 hrs 57 mins
Rise
5:22 AM
Set
8:19 PM
Waxing Gibbous
Rise
5:08 PM
Set
3:25 AM
Temperature History
5/27High
Low
Forecast
86°
52°
Average
74°
52°
Last Year
71°
50°
Record
96°
2012
39°
2023
Current Weather Conditions in Crystal Lake
Crystal Lake, Illinois is currently Sunny with a temperature of 57°. The current RealFeel® Temperature is 60° (Cool) based on observed conditions including 84% humidity, 0% cloud cover, a UV index of 0, and winds of 1 mph. In shade, the RealFeel Shade™ is 59°. 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.