Current Weather
11:19 AM
87°F
Partly sunny
RealFeel® 104°
Very Hot
RealFeel Shade™ 95°
Hot
RealFeel®
104°
RealFeel Shade™
95°
Heat Index
97°
Max UV Index
9.4 (Very High)
Wind
SW 6 mph
Wind Gusts
11 mph
Humidity
70%
Indoor Humidity
70% (Extremely Humid)
Dew Point
76° F
Pressure
↔ 29.95 in
Cloud Cover
37%
Visibility
10 mi
Cloud Ceiling
33500 ft
Day
6/30
93°Hi
RealFeel®
104°
Very Hot
RealFeel Shade™
98°
Hot
Mostly sunny, breezy and humid
Max UV Index10.0 (Very High)
AccuLumen Brightness Index™9 (Very Bright)
WindSW 15 mph
Wind Gusts36 mph
Probability of Precipitation25%
Probability of Thunderstorms6%
Precipitation0.00 in
Cloud Cover15%
Night
6/30
74°Lo
RealFeel®
77°
Pleasant
Mainly clear, warm and very humid
WindSW 9 mph
Wind Gusts24 mph
Probability of Precipitation25%
Probability of Thunderstorms6%
Precipitation0.00 in
Cloud Cover12%
Sun & Moon
15 hrs 14 mins
Rise
5:20 AM
Set
8:34 PM
Waning Gibbous
Rise
9:33 PM
Set
6:34 AM
Temperature History
6/30High
Low
Forecast
93°
74°
Average
84°
62°
Last Year
90°
71°
Record
94°
2019
49°
2007
Current Weather Conditions in Crystal Lake
Crystal Lake, Illinois is currently Partly sunny with a temperature of 87°. The current RealFeel® Temperature is 104° (Very Hot) based on observed conditions including 70% humidity, 37% cloud cover, a UV index of 9, and winds of 6 mph. In shade, the RealFeel Shade™ is 95°. 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.