Current Weather
3:44 PM
84°F
Mostly cloudy
RealFeel® 86°
Very Warm
RealFeel Shade™ 82°
Very Warm
RealFeel®
86°
RealFeel Shade™
82°
Heat Index
85°
Max UV Index
3.5 (Moderate)
Wind
S 8 mph
Wind Gusts
16 mph
Humidity
48%
Indoor Humidity
48% (Slightly Humid)
Dew Point
62° F
Pressure
↔ 29.82 in
Cloud Cover
76%
Visibility
13 mi
Cloud Ceiling
40000 ft
Day
5/17
84°Hi
RealFeel®
86°
Very Warm
RealFeel Shade™
82°
Pleasant
Very warm; considerable cloudiness this morning, becoming windy with times of clouds and sun this afternoon
Max UV Index9.0 (Very High)
AccuLumen Brightness Index™5 (Medium)
WindSSE 14 mph
Wind Gusts31 mph
Probability of Precipitation65%
Probability of Thunderstorms26%
Precipitation0.06 in
Rain0.06 in
Hours of Precipitation2
Hours of Rain2
Cloud Cover71%
Night
5/17
68°Lo
RealFeel®
64°
Pleasant
Clouds breaking, breezy; a thunderstorm late
WindSSW 15 mph
Wind Gusts24 mph
Probability of Precipitation58%
Probability of Thunderstorms52%
Precipitation0.15 in
Rain0.15 in
Hours of Precipitation1
Hours of Rain1
Cloud Cover61%
Sun & Moon
14 hrs 39 mins
Rise
5:30 AM
Set
8:09 PM
Waxing Crescent
Rise
5:37 AM
Set
9:57 PM
Temperature History
5/17High
Low
Forecast
84°
68°
Average
70°
49°
Last Year
72°
53°
Record
85°
2001
32°
2002
Current Weather Conditions in Crystal Lake
Crystal Lake, Illinois is currently Mostly cloudy with a temperature of 84°. The current RealFeel® Temperature is 86° (Very Warm) based on observed conditions including 48% humidity, 76% cloud cover, a UV index of 4, and winds of 8 mph. In shade, the RealFeel Shade™ is 82°. 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.
