Current Weather
12:03 AM
68°F
A shower
RealFeel® 65°
Pleasant
RealFeel®
65°
Wind
ENE 3 mph
Wind Gusts
7 mph
Humidity
90%
Indoor Humidity
90% (Humid)
Dew Point
65° F
Pressure
↔ 30.07 in
Cloud Cover
76%
Visibility
12 mi
Cloud Ceiling
7200 ft
Day
8/15
76°Hi
RealFeel®
84°
Very Warm
RealFeel Shade™
83°
Very Warm
Humid with periods of rain and a thunderstorm, then a leftover shower; watch for flash flooding, hail and localized damaging wind gusts
Max UV Index3.0 (Moderate)
AccuLumen Brightness Index™3 (Dull)
WindSSW 9 mph
Wind Gusts10 mph
Probability of Precipitation96%
Probability of Thunderstorms58%
Precipitation0.67 in
Rain Amount0.67 in
Total Hours of Precipitation5
Total Hours of Rain5
Cloud Cover84%
Night
8/15
70°Lo
RealFeel®
72°
Pleasant
Partly cloudy and humid; a late-night thunderstorm
WindWNW 7 mph
Wind Gusts9 mph
Probability of Precipitation55%
Probability of Thunderstorms33%
Precipitation0.05 in
Rain Amount0.05 in
Total Hours of Precipitation0.5
Total Hours of Rain0.5
Cloud Cover70%
Sun & Moon
13 hrs 54 mins
Rise
6:00 AM
Set
7:54 PM
Waxing Crescent
Rise
9:23 AM
Set
9:14 PM
Temperature History
8/15High
Low
Forecast
76°
70°
Average
82°
63°
Last Year
91°
64°
Record
91°
2025
44°
2004
Current Weather Conditions in Crystal Lake
Crystal Lake, Illinois is currently A shower with a temperature of 68°. The current RealFeel® Temperature is 65° (Pleasant) based on observed conditions including 90% humidity, 76% cloud cover, a UV index of 0, and winds of 3 mph. In shade, the RealFeel Shade™ is 65°. 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.
