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Grayslake, IL

89°F
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Grayslake

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Grayslake, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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July 26 - August 9

Sun 7/26

90° /74°
25%
Humid with shifting clouds and sun

RealFeel®104°

RealFeel Shade™97°

Max UV Index9.0 (Very High)

WindWSW 7 mph

Mon 7/27

89° /68°
55%
Sunshine and some clouds, breezy, very warm and very humid with a gusty thunderstorm; thunderstorms can bring flooding downpours, hail and damaging wind gusts

RealFeel®100°

RealFeel Shade™94°

Max UV Index9.0 (Very High)

WindSSW 15 mph

Hours of Precipitation2

Hours of Rain2

Tue 7/28

82° /58°
0%
Mostly sunny, breezy and not as warm

RealFeel®84°

RealFeel Shade™79°

Max UV Index9.0 (Very High)

WindNNE 15 mph

Wed 7/29

84° /62°
5%
Plenty of sunshine

RealFeel®90°

RealFeel Shade™81°

Max UV Index9.0 (Very High)

WindNE 6 mph

Thu 7/30

85° /67°
25%
Partly sunny

RealFeel®93°

RealFeel Shade™85°

Max UV Index9.0 (Very High)

WindN 4 mph

Fri 7/31

82° /66°
55%
Overcast and humid; a morning thunderstorm in parts of the area, watch for a strong thunderstorm in the afternoon

RealFeel®91°

RealFeel Shade™86°

Max UV Index8.0 (Very High)

WindSW 4 mph

Hours of Precipitation2

Hours of Rain2

Sat 8/1

79° /67°
55%
Variable cloudiness with a thunderstorm in a couple of spots; humid

RealFeel®94°

RealFeel Shade™82°

Max UV Index8.0 (Very High)

WindE 1 mph

Hours of Precipitation3.5

Hours of Rain3.5

Sun 8/2

81° /65°
55%
A shower in places in the morning; otherwise, partly sunny

RealFeel®88°

RealFeel Shade™80°

Max UV Index9.0 (Very High)

WindNNE 7 mph

Hours of Precipitation1

Hours of Rain1

Mon 8/3

85° /67°
1%
Humid with plenty of sunshine

RealFeel®93°

RealFeel Shade™85°

Max UV Index9.0 (Very High)

WindENE 5 mph

Tue 8/4

85° /65°
0%
Mostly sunny

RealFeel®96°

RealFeel Shade™85°

Max UV Index9.0 (Very High)

WindNE 2 mph

Wed 8/5

85° /66°
55%
Mostly cloudy; a little morning rain followed by a shower in spots in the afternoon

RealFeel®89°

RealFeel Shade™83°

Max UV Index6.0 (High)

WindNNE 6 mph

Hours of Precipitation2

Hours of Rain2

Thu 8/6

84° /64°
75%
A thick cloud cover; a morning shower in spots followed by periods of rain in the afternoon

RealFeel®85°

RealFeel Shade™81°

Max UV Index2.0 (Low)

WindSSW 5 mph

Hours of Precipitation3

Hours of Rain3

Fri 8/7

81° /65°
1%
Increasing amounts of sunshine

RealFeel®87°

RealFeel Shade™86°

Max UV Index5.0 (Moderate)

WindNW 7 mph

Sat 8/8

83° /63°
75%
Increasing cloudiness with periods of rain in the afternoon

RealFeel®87°

RealFeel Shade™82°

Max UV Index8.0 (Very High)

WindESE 7 mph

Hours of Precipitation1

Hours of Rain1

Sun 8/9

83° /66°
65%
Mostly cloudy and humid; a couple of showers and a thunderstorm in the afternoon

RealFeel®87°

RealFeel Shade™87°

Max UV Index2.0 (Low)

WindW 5 mph

Hours of Precipitation2

Hours of Rain2

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World North America United States Illinois Grayslake

Weather Near Grayslake:

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