Current Weather
8:55 AM
61°F
Mostly cloudy
RealFeel® 60°
Cool
RealFeel Shade™ 59°
Cool
RealFeel®
60°
RealFeel Shade™
59°
Max UV Index
0.5 (Low)
Wind
ENE 5 mph
Wind Gusts
13 mph
Humidity
86%
Indoor Humidity
67% (Slightly Humid)
Dew Point
57° F
Pressure
↑ 30.14 in
Cloud Cover
89%
Visibility
10 mi
Cloud Ceiling
3800 ft
Day
9/21
62°Hi
RealFeel®
60°
Cool
RealFeel Shade™
59°
Cool
Mostly cloudy and cool with spotty drizzle; breezy this morning
Max UV Index1.0 (Low)
AccuLumen Brightness Index™2 (Dark)
WindENE 13 mph
Wind Gusts25 mph
Probability of Precipitation65%
Probability of Thunderstorms13%
Precipitation0.04 in
Rain Amount0.04 in
Total Hours of Precipitation1.5
Total Hours of Rain1.5
Cloud Cover94%
Night
9/21
53°Lo
RealFeel®
47°
Chilly
Partly to mostly cloudy with a shower in spots
WindENE 9 mph
Wind Gusts20 mph
Probability of Precipitation55%
Probability of Thunderstorms11%
Precipitation0.02 in
Rain Amount0.02 in
Total Hours of Precipitation1
Total Hours of Rain1
Cloud Cover84%
Sun & Moon
12 hrs 14 mins
Rise
6:39 AM
Set
6:53 PM
Waxing Gibbous
Rise
4:37 PM
Set
2:08 AM
Temperature History
9/21High
Low
Forecast
62°
53°
Average
73°
52°
Last Year
82°
65°
Record
92°
2024
40°
2006
Current Weather Conditions in Crystal Lake
Crystal Lake, Illinois is currently Mostly cloudy with a temperature of 61°. The current RealFeel® Temperature is 60° (Cool) based on observed conditions including 86% humidity, 89% cloud cover, a UV index of 1, and winds of 5 mph. In shade, the RealFeel Shade™ is 59°. 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.
