Current Weather
2:09 AM
52°F
Mostly cloudy
RealFeel® 54°
Cool
RealFeel®
54°
Wind
ENE 2 mph
Wind Gusts
5 mph
Humidity
74%
Indoor Humidity
43% (Ideal Humidity)
Dew Point
45° F
Pressure
↔ 30.14 in
Cloud Cover
76%
Visibility
12 mi
Cloud Ceiling
34000 ft
Day
5/31
76°Hi
RealFeel®
82°
Very Warm
RealFeel Shade™
73°
Pleasant
Mostly sunny; a nice day for outdoor activities
Max UV Index10.0 (Very High)
AccuLumen Brightness Index™9 (Very Bright)
WindE 8 mph
Wind Gusts12 mph
Probability of Precipitation4%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover15%
Night
5/31
55°Lo
RealFeel®
54°
Cool
Mostly cloudy
WindNE 5 mph
Wind Gusts9 mph
Probability of Precipitation6%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover79%
Sun & Moon
15 hrs 02 mins
Rise
5:20 AM
Set
8:22 PM
Full Moon
Rise
9:19 PM
Set
5:45 AM
Temperature History
5/31High
Low
Forecast
76°
55°
Average
75°
53°
Last Year
70°
47°
Record
90°
2023
36°
2003
Current Weather Conditions in Crystal Lake
Crystal Lake, Illinois is currently Mostly cloudy with a temperature of 52°. The current RealFeel® Temperature is 54° (Cool) based on observed conditions including 74% humidity, 76% cloud cover, a UV index of 0, and winds of 2 mph. In shade, the RealFeel Shade™ is 54°. 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.
