June 18 - August 1

Wed 6/18

Breezy and not as warm; cloudy with a couple of heavy thunderstorms; storms can bring flooding downpours, hail, damaging wind gusts, and an isolated tornado

RealFeel®78°

RealFeel Shade™76°

Max UV Index2 (Low)

WindSSW 15 mph

Thu 6/19

86° /64°

Warmer with some clouds, then sunshine

RealFeel®90°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindW 9 mph

Fri 6/20

87° /70°

Partly sunny and very warm; breezy in the afternoon

RealFeel®89°

RealFeel Shade™85°

Max UV Index10 (Very High)

WindSSW 12 mph

Sat 6/21

98° /76°

Sunny, windy and very hot; caution advised if outside for extended periods of time

RealFeel®104°

RealFeel Shade™100°

Max UV Index10 (Very High)

WindSSW 15 mph

Sun 6/22

96° /75°

Hot with blazing sunshine; breezy in the afternoon; caution advised if outside for extended periods of time

RealFeel®101°

RealFeel Shade™96°

Max UV Index10 (Very High)

WindSSW 13 mph

Mon 6/23

95° /76°

Sizzling sunshine and hot; stay hydrated when outside in the heat

RealFeel®101°

RealFeel Shade™94°

Max UV Index10 (Very High)

WindSW 10 mph

Tue 6/24

94° /68°

Mostly sunny and hot

RealFeel®101°

RealFeel Shade™96°

Max UV Index10 (Very High)

WindSW 10 mph

Wed 6/25

81° /67°

73%

Watch for strong afternoon thunderstorms; otherwise, watch for a strong morning thunderstorm, not as warm but humid with sun and some clouds

RealFeel®94°

RealFeel Shade™88°

Max UV Index10 (Very High)

WindWSW 6 mph

Thu 6/26

85° /70°

40%

Mostly cloudy and humid; a thunderstorm in spots in the afternoon

RealFeel®91°

RealFeel Shade™91°

Max UV Index6 (High)

WindSSW 9 mph

Fri 6/27

82° /66°

43%

Rather cloudy and humid; a thunderstorm in spots in the morning followed by a shower in spots in the afternoon

RealFeel®85°

RealFeel Shade™82°

Max UV Index3 (Moderate)

WindNW 5 mph

Sat 6/28

81° /66°

Partly sunny

RealFeel®88°

RealFeel Shade™79°

Max UV Index9 (Very High)

WindNNE 5 mph

Sun 6/29

82° /67°

Clouds limiting sun

RealFeel®83°

RealFeel Shade™80°

Max UV Index7 (High)

WindSSW 6 mph

Mon 6/30

81° /62°

Plenty of sunshine

RealFeel®86°

RealFeel Shade™79°

Max UV Index10 (Very High)

WindWSW 8 mph

Tue 7/1

86° /67°

10%

Very warm and humid with sunshine

RealFeel®92°

RealFeel Shade™87°

Max UV Index10 (Very High)

WindSW 9 mph

Wed 7/2

85° /67°

64%

Partly sunny, very warm and humid; a couple of showers and a thunderstorm in the afternoon

RealFeel®95°

RealFeel Shade™91°

Max UV Index10 (Very High)

WindSW 6 mph

Thu 7/3

85° /65°

25%

Mostly cloudy and humid

RealFeel®92°

RealFeel Shade™89°

Max UV Index3 (Moderate)

WindESE 5 mph

Fri 7/4

83° /68°

20%

Mostly sunny and uncomfortably humid

RealFeel®93°

RealFeel Shade™88°

Max UV Index10 (Very High)

WindSSW 8 mph

Sat 7/5

85° /68°

57%

A passing morning shower; otherwise, very humid with sunshine and a few clouds

RealFeel®97°

RealFeel Shade™93°

Max UV Index10 (Very High)

WindSW 5 mph

Sun 7/6

85° /67°

20%

Uncomfortably humid with intervals of clouds and sunshine

RealFeel®93°

RealFeel Shade™91°

Max UV Index5 (Moderate)

WindS 6 mph

Mon 7/7

86° /69°

Very warm and humid with plenty of sun

RealFeel®96°

RealFeel Shade™91°

Max UV Index10 (Very High)

WindSSW 7 mph

Tue 7/8

87° /67°

40%

Very warm and humid with variable cloudiness; a thunderstorm in spots in the afternoon

RealFeel®91°

RealFeel Shade™90°

Max UV Index7 (High)

WindNNE 8 mph

Wed 7/9

85° /66°

25%

Cloudy and less humid

RealFeel®84°

RealFeel Shade™84°

Max UV Index3 (Moderate)

WindNNE 9 mph

Thu 7/10

78° /65°

20%

Partly sunny

RealFeel®87°

RealFeel Shade™78°

Max UV Index10 (Very High)

WindENE 5 mph

Fri 7/11

83° /68°

62%

Mostly cloudy and very humid with a couple of showers and a thunderstorm

RealFeel®91°

RealFeel Shade™89°

Max UV Index2 (Low)

WindS 12 mph

Sat 7/12

84° /68°

Sunny and humid

RealFeel®91°

RealFeel Shade™88°

Max UV Index10 (Very High)

WindSW 15 mph

Sun 7/13

85° /67°

20%

Humid with sunshine

RealFeel®95°

RealFeel Shade™87°

Max UV Index10 (Very High)

WindSW 4 mph

Mon 7/14

83° /68°

25%

Clouds rolling in and humid

RealFeel®90°

RealFeel Shade™90°

Max UV Index5 (Moderate)

WindSSW 7 mph

Tue 7/15

86° /67°

61%

Very warm and humid with intervals of clouds and sunshine; a couple of showers and a thunderstorm in the afternoon

RealFeel®92°

RealFeel Shade™87°

Max UV Index10 (Very High)

WindSW 9 mph

Wed 7/16

86° /67°

Plenty of sun

RealFeel®91°

RealFeel Shade™84°

Max UV Index10 (Very High)

WindNNW 6 mph

Thu 7/17

81° /66°

10%

Mostly sunny

RealFeel®88°

RealFeel Shade™79°

Max UV Index10 (Very High)

WindNNE 5 mph

Fri 7/18

79° /63°

20%

Sunny

RealFeel®86°

RealFeel Shade™76°

Max UV Index10 (Very High)

WindSW 5 mph

Sat 7/19

83° /65°

70%

Periods of rain in the morning; otherwise, mostly cloudy

RealFeel®87°

RealFeel Shade™82°

Max UV Index5 (Moderate)

WindWSW 9 mph

Sun 7/20

79° /62°

25%

Mostly sunny

RealFeel®88°

RealFeel Shade™78°

Max UV Index10 (Very High)

WindNNW 2 mph

Mon 7/21

78° /62°

20%

Mostly sunny

RealFeel®84°

RealFeel Shade™75°

Max UV Index10 (Very High)

WindSW 6 mph

Tue 7/22

81° /60°

60%

A couple of morning showers; otherwise, clouds and sun

RealFeel®78°

RealFeel Shade™77°

Max UV Index4 (Moderate)

WindW 15 mph

Wed 7/23

76° /60°

25%

Cloudy

RealFeel®73°

RealFeel Shade™73°

Max UV Index3 (Moderate)

WindWNW 14 mph

Thu 7/24

76° /59°

25%

Sunshine and a few clouds

RealFeel®82°

RealFeel Shade™74°

Max UV Index9 (Very High)

WindNW 6 mph

Fri 7/25

76° /60°

25%

Considerable cloudiness

RealFeel®80°

RealFeel Shade™75°

Max UV Index5 (Moderate)

WindE 4 mph

Sat 7/26

77° /66°

25%

Intervals of clouds and sunshine

RealFeel®83°

RealFeel Shade™75°

Max UV Index9 (Very High)

WindE 6 mph

Sun 7/27

79° /65°

61%

Rather cloudy with a couple of showers and a thunderstorm in the afternoon

RealFeel®79°

RealFeel Shade™79°

Max UV Index3 (Moderate)

WindESE 7 mph

Mon 7/28

79° /59°

Mostly sunny

RealFeel®86°

RealFeel Shade™78°

Max UV Index9 (Very High)

WindWNW 1 mph

Tue 7/29

78° /59°

Mostly sunny

RealFeel®85°

RealFeel Shade™80°

Max UV Index9 (Very High)

WindESE 1 mph

Wed 7/30

79° /60°

Plenty of sunshine

RealFeel®85°

RealFeel Shade™79°

Max UV Index9 (Very High)

WindESE 4 mph

Thu 7/31

84° /62°

Plenty of sunshine

RealFeel®92°

RealFeel Shade™88°

Max UV Index9 (Very High)

WindSE 1 mph

Fri 8/1

82° /60°

Sunshine and a few clouds

RealFeel®88°

RealFeel Shade™84°

Max UV Index9 (Very High)

WindW 6 mph

Grayslake, IL

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Weather Near Grayslake: