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Crystal Lake, IL

71°F
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Crystal Lake

Illinois

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Crystal Lake, IL Weather
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August 24 - September 7

Mon 8/24

76° /55°
2%
Mainly clear

RealFeel®54°

Cloud Cover11%

WindSSE 5 mph

Wind Gusts6 mph

Tue 8/25

77° /62°
1%
Partly sunny and nice

RealFeel®82°

RealFeel Shade™75°

Max UV Index7.0 (High)

WindSSW 7 mph

Wed 8/26

80° /60°
55%
Intervals of clouds and sunshine with a thunderstorm in spots from late morning on; humid; gusty winds can accompany any downpour

RealFeel®85°

RealFeel Shade™80°

Max UV Index6.0 (High)

WindWSW 10 mph

Total Hours of Precipitation1

Total Hours of Rain1

Thu 8/27

77° /58°
30%
Partly sunny with a shower possible

RealFeel®82°

RealFeel Shade™75°

Max UV Index7.0 (High)

WindNW 7 mph

Fri 8/28

79° /60°
14%
Partly sunny and beautiful

RealFeel®87°

RealFeel Shade™77°

Max UV Index7.0 (High)

WindN 2 mph

Sat 8/29

80° /64°
18%
Sun breaking through clouds at times

RealFeel®80°

RealFeel Shade™78°

Max UV Index3.0 (Moderate)

WindSSW 8 mph

Sun 8/30

82° /66°
55%
A couple of morning showers; otherwise, humid with variable cloudiness

RealFeel®87°

RealFeel Shade™84°

Max UV Index3.0 (Moderate)

WindSSW 9 mph

Total Hours of Precipitation1.5

Total Hours of Rain1.5

Mon 8/31

78° /56°
59%
Mostly cloudy and humid; occasional morning rain and a thunderstorm followed by a thunderstorm in spots in the afternoon

RealFeel®89°

RealFeel Shade™83°

Max UV Index4.0 (Moderate)

WindWNW 6 mph

Total Hours of Precipitation2

Total Hours of Rain2

Tue 9/1

77° /56°
3%
Partly sunny and less humid

RealFeel®79°

RealFeel Shade™74°

Max UV Index6.0 (High)

WindNW 7 mph

Wed 9/2

74° /58°
1%
Sun and clouds

RealFeel®76°

RealFeel Shade™72°

Max UV Index3.0 (Moderate)

WindN 8 mph

Thu 9/3

76° /55°
1%
More sun than clouds

RealFeel®79°

RealFeel Shade™74°

Max UV Index6.0 (High)

WindNNE 7 mph

Fri 9/4

78° /57°
1%
Partly sunny

RealFeel®82°

RealFeel Shade™76°

Max UV Index3.0 (Moderate)

WindNE 5 mph

Sat 9/5

77° /58°
1%
Mostly sunny

RealFeel®83°

RealFeel Shade™76°

Max UV Index6.0 (High)

WindS 1 mph

Sun 9/6

72° /56°
25%
Intervals of clouds and sunshine

RealFeel®73°

RealFeel Shade™72°

Max UV Index3.0 (Moderate)

WindNW 1 mph

Mon 9/7

77° /60°
5%
Plenty of sun

RealFeel®80°

RealFeel Shade™76°

Max UV Index6.0 (High)

WindSSW 7 mph

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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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