Current Weather
4:41 PM
82°F
Mostly cloudy
RealFeel® 91°
Hot
RealFeel Shade™ 87°
Very Warm
RealFeel®
91°
RealFeel Shade™
87°
Heat Index
86°
Max UV Index
2.2 (Low)
Wind
NNE 5 mph
Wind Gusts
9 mph
Humidity
74%
Indoor Humidity
74% (Extremely Humid)
Dew Point
73° F
Pressure
↑ 29.98 in
Cloud Cover
76%
Visibility
11 mi
Cloud Ceiling
40000 ft
Day
9/5
82°Hi
RealFeel®
91°
Very Warm
RealFeel Shade™
87°
Very Warm
Not as warm but humid with increasing amounts of sun
Max UV Index4.0 (Moderate)
AccuLumen Brightness Index™4 (Dull)
WindNE 9 mph
Wind Gusts21 mph
Probability of Precipitation25%
Probability of Thunderstorms6%
Precipitation0.00 in
Cloud Cover62%
Night
9/5
64°Lo
RealFeel®
64°
Pleasant
Clear and humid
WindNE 6 mph
Wind Gusts18 mph
Probability of Precipitation0%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover6%
Sun & Moon
12 hrs 59 mins
Rise
6:22 AM
Set
7:21 PM
Waning Crescent
Rise
--
Set
4:04 PM
Temperature History
9/5High
Low
Forecast
82°
64°
Average
79°
59°
Last Year
68°
48°
Record
92°
1999
42°
1997
Current Weather Conditions in Crystal Lake
Crystal Lake, Illinois is currently Mostly cloudy with a temperature of 82°. The current RealFeel® Temperature is 91° (Hot) based on observed conditions including 74% humidity, 76% cloud cover, a UV index of 2, and winds of 5 mph. In shade, the RealFeel Shade™ is 87°. 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.
