Current Weather
2:17 AM
44°F
Clear
RealFeel® 47°
Chilly
RealFeel®
47°
Wind
NE 1 mph
Wind Gusts
3 mph
Humidity
93%
Indoor Humidity
39% (Ideal Humidity)
Dew Point
42° F
Pressure
↔ 30.30 in
Cloud Cover
0%
Visibility
9 mi
Cloud Ceiling
33400 ft
Day
10/3
66°Hi
RealFeel®
68°
Pleasant
RealFeel Shade™
63°
Pleasant
Mostly sunny; a beautiful start to the weekend
Max UV Index4.0 (Moderate)
AccuLumen Brightness Index™9 (Very Bright)
WindSE 7 mph
Wind Gusts16 mph
Probability of Precipitation0%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover11%
Night
10/3
49°Lo
RealFeel®
46°
Chilly
Mainly clear
WindSSW 6 mph
Wind Gusts10 mph
Probability of Precipitation3%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover11%
Sun & Moon
11 hrs 40 mins
Rise
6:52 AM
Set
6:32 PM
Last Quarter
Rise
11:47 PM
Set
3:35 PM
Temperature History
10/3High
Low
Forecast
66°
49°
Average
68°
47°
Last Year
89°
59°
Record
89°
2025
31°
2004
Current Weather Conditions in Crystal Lake
Crystal Lake, Illinois is currently Clear with a temperature of 44°. The current RealFeel® Temperature is 47° (Chilly) based on observed conditions including 93% humidity, 0% cloud cover, a UV index of 0, and winds of 1 mph. In shade, the RealFeel Shade™ is 47°. 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.
