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Crystal Lake, IL

61°F
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Crystal Lake, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center
Today Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Friday, May 15

Day

5/15
75°Hi
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Partly sunny and windy

Max UV Index9.0 (Very High)

AccuLumen Brightness Index™8 (Bright)

WindS 15 mph

Wind Gusts30 mph

Probability of Precipitation25%

Probability of Thunderstorms6%

Precipitation0.00 in

Cloud Cover36%

Morning

Afternoon

Night

5/15
61°Lo
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Increasing clouds with a thunderstorm late

WindSSW 10 mph

Wind Gusts22 mph

Probability of Precipitation70%

Probability of Thunderstorms42%

Precipitation0.34 in

Rain0.34 in

Hours of Precipitation2

Hours of Rain2

Cloud Cover68%

Evening

Overnight

Sun & Moon

14 hrs 35 mins
Rise 5:32 AM
Set 8:07 PM
Waning Crescent
Rise 4:19 AM
Set 7:15 PM

Temperature History

5/15
High
Low
Forecast
75°
61°
Average
70°
48°
Last Year
93°
58°
Record
93°
2025
34°
2016

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World North America United States Illinois Crystal Lake

Weather Near Crystal Lake:

  • Chicago, IL
  • Joliet, IL
  • Naperville, IL
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