Current Weather
9:29 AM
73°F
Sunny
RealFeel® 80°
Pleasant
RealFeel Shade™ 73°
Pleasant
RealFeel®
80°
RealFeel Shade™
73°
Max UV Index
3.6 (Moderate)
Wind
NNW 3 mph
Wind Gusts
6 mph
Humidity
73%
Indoor Humidity
73% (Humid)
Dew Point
64° F
Pressure
↑ 30.02 in
Cloud Cover
0%
Visibility
11 mi
Cloud Ceiling
40000 ft
Day
8/27
78°Hi
RealFeel®
83°
Very Warm
RealFeel Shade™
76°
Pleasant
Mostly sunny
Max UV Index7.0 (High)
AccuLumen Brightness Index™9 (Very Bright)
WindNW 7 mph
Wind Gusts16 mph
Probability of Precipitation2%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover19%
Night
8/27
58°Lo
RealFeel®
57°
Cool
Mostly clear; fog will reduce visibilities late; good viewing conditions for the lunar eclipse
WindSW 4 mph
Wind Gusts6 mph
Probability of Precipitation1%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover11%
Sun & Moon
13 hrs 23 mins
Rise
6:13 AM
Set
7:36 PM
Full Moon
Rise
7:26 PM
Set
6:38 AM
Temperature History
8/27High
Low
Forecast
78°
58°
Average
81°
62°
Last Year
76°
51°
Record
97°
2024
47°
2015
Current Weather Conditions in Crystal Lake
Crystal Lake, Illinois is currently Sunny with a temperature of 73°. The current RealFeel® Temperature is 80° (Pleasant) based on observed conditions including 73% humidity, 0% cloud cover, a UV index of 4, and winds of 3 mph. In shade, the RealFeel Shade™ is 73°. 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.
