Currently: 77 °F. Overcast. (Weather station: Chicago Midway Airport, USA). See more current weatherPast Weather in Grayslake — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
59
62
65
68
71
74
77
80
83
86
89
92
95
Wed, Jul 9
Lo:72
6 pm
Hi:72
7
Thu, Jul 10
Lo:70
12 am
Hi:72
4
Lo:72
6 am
Hi:81
6
Lo:81
12 pm
Hi:82
12
Lo:73
6 pm
Hi:79
7
Fri, Jul 11
Lo:72
12 am
Hi:73
5
Lo:75
6 am
Hi:82
8
Lo:86
12 pm
Hi:91
9
Lo:75
6 pm
Hi:90
12
Sat, Jul 12
Lo:72
12 am
Hi:75
8
Lo:72
6 am
Hi:79
12
Lo:79
12 pm
Hi:82
12
Lo:77
6 pm
Hi:82
8
Sun, Jul 13
Lo:70
12 am
Hi:77
6
Lo:72
6 am
Hi:81
4
Lo:81
12 pm
Hi:82
8
Lo:73
6 pm
Hi:81
4
Mon, Jul 14
Lo:66
12 am
Hi:72
1
Lo:70
6 am
Hi:82
1
Lo:84
12 pm
Hi:88
7
Lo:79
6 pm
Hi:84
4
Tue, Jul 15
Lo:73
12 am
Hi:79
1
Lo:77
6 am
Hi:88
5
Lo:88
12 pm
Hi:91
11
Lo:82
6 pm
Hi:88
8
Wed, Jul 16
Lo:77
12 am
Hi:81
7
Lo:79
6 am
Hi:90
9
Lo:73
12 pm
Hi:91
13
Lo:77
6 pm
Hi:79
14
Thu, Jul 17
Lo:72
12 am
Hi:73
9
Lo:72
6 am
Hi:75
7
Lo:66
12 pm
Hi:72
12
Lo:64
6 pm
Hi:66
11
Fri, Jul 18
Lo:61
12 am
Hi:64
4
Lo:64
6 am
Hi:75
3
Lo:79
12 pm
Hi:81
7
Lo:75
6 pm
Hi:79
6
Sat, Jul 19
Lo:75
12 am
Hi:77
4
Lo:75
6 am
Hi:79
7
Lo:75
12 pm
Hi:84
8
Lo:77
6 pm
Hi:84
7
Sun, Jul 20
Lo:72
12 am
Hi:75
7
Lo:72
6 am
Hi:75
9
Lo:73
12 pm
Hi:79
9
Lo:72
6 pm
Hi:73
9
Mon, Jul 21
Lo:70
12 am
Hi:72
5
Lo:73
6 am
Hi:81
10
Lo:81
12 pm
Hi:82
9
Lo:73
6 pm
Hi:79
8
Tue, Jul 22
Lo:73
12 am
Hi:73
5
Lo:73
6 am
Hi:84
9
Lo:84
12 pm
Hi:88
9
Lo:79
6 pm
Hi:84
9
Wed, Jul 23
Lo:73
12 am
Hi:79
8
Lo:75
6 am
Hi:88
12
Lo:90
12 pm
Hi:93
14
Lo:84
6 pm
Hi:91
15
Thu, Jul 24
Lo:81
12 am
Hi:84
10
Lo:81
6 am
Hi:91
12
Lo:73
12 pm
Hi:95
15
Lo:77
6 pm
Hi:79
7
Wednesday, July 9, 2025, 6:00 pm — 12:00 am
72 / 72 °F
Passing clouds.
Humidity: 78%
Barometer: 29.96 "Hg
NNE
Wind: 6.836 mph
Grayslake Temperature Yesterday
Maximum temperature yesterday: 95 °F (at 1:53 pm)
Minimum temperature yesterday: 73 °F (at 3:21 pm)
Average temperature yesterday: 82 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 95 °F (Jul 24, 1:53 pm) | 94% (Jul 11, 4:53 am) | 30.12 "Hg (Jul 11, 4:53 am) |
| Low | 61 °F (Jul 18, 5:53 am) | 32% (Jul 14, 2:53 pm) | 29.73 "Hg (Jul 16, 5:53 pm) |
| Average | 78 °F | 66% | 29.95 "Hg |
| * Reported Jul 9 11:53 pm — Jul 24 11:53 pm, Grayslake. Weather by CustomWeather, © 2025 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
Grayslake Weather History for the Previous 24 Hours
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 11:53 pm Thu, Jul 24 | | 77 °F | Overcast. | 6 mph | ↑ | 82% | 29.96 "Hg | 10 mi |
| 10:53 pm |  | 78 °F | Light rain. Overcast. | 7 mph | ↑ | 79% | 29.96 "Hg | 10 mi |
| 9:53 pm |  | 78 °F | Passing clouds. | 6 mph | ↑ | 76% | 29.97 "Hg | 10 mi |
| 8:53 pm |  | 78 °F | Partly cloudy. | 8 mph | ↑ | 74% | 29.95 "Hg | 10 mi |
| 7:53 pm |  | 79 °F | Partly sunny. | 9 mph | ↑ | 72% | 29.94 "Hg | 10 mi |
| 6:53 pm | | 79 °F | Broken clouds. | 10 mph | ↑ | 72% | 29.94 "Hg | 10 mi |
| 5:53 pm | | 77 °F | Broken clouds. | 13 mph | ↑ | 79% | 29.97 "Hg | 10 mi |
| 5:29 pm | | 77 °F | Broken clouds. | 10 mph | ↑ | 79% | 30.00 "Hg | 10 mi |
| 5:01 pm |  | 76 °F | Thunderstorms. Broken clouds. | 12 mph | ↑ | 85% | 30.00 "Hg | 10 mi |
| 3:53 pm | | 76 °F | Thunderstorms. Mostly cloudy. | 16 mph | ↑ | 82% | 29.96 "Hg | 7 mi |
| 3:36 pm | | 75 °F | Thunderstorms. Fog. | 12 mph | ↑ | 83% | 29.99 "Hg | 5 mi |
| 3:21 pm |  | 73 °F | Strong thunderstorms. Fog. | 16 mph | ↑ | 89% | 30.00 "Hg | 3 mi |
| 2:53 pm | | 93 °F | Thunderstorms. Broken clouds. | 22 mph | ↑ | 47% | 29.90 "Hg | 10 mi |
| 2:44 pm | | 94 °F | Thunderstorms. Broken clouds. | 17 mph | ↑ | 46% | 29.94 "Hg | 10 mi |
| 1:53 pm | | 95 °F | Broken clouds. | 17 mph | ↑ | 47% | 29.93 "Hg | 10 mi |
| 12:53 pm |  | 94 °F | Scattered clouds. | 16 mph | ↑ | 49% | 29.93 "Hg | 10 mi |
| 11:53 am | | 91 °F | Partly sunny. | 10 mph | ↑ | 56% | 29.95 "Hg | 10 mi |
| 10:53 am | | 89 °F | Partly sunny. | 14 mph | ↑ | 59% | 29.95 "Hg | 10 mi |
| 9:53 am | | 87 °F | Partly sunny. | 14 mph | ↑ | 65% | 29.96 "Hg | 10 mi |
| 8:53 am | | 84 °F | Partly sunny. | 12 mph | ↑ | 70% | 29.97 "Hg | 10 mi |
| 7:53 am | | 84 °F | Scattered clouds. | 14 mph | ↑ | 70% | 29.96 "Hg | 10 mi |
| 6:53 am | | 80 °F | Passing clouds. | 12 mph | ↑ | 81% | 29.96 "Hg | 10 mi |
| 5:53 am | | 80 °F | Passing clouds. | 10 mph | ↑ | 81% | 29.94 "Hg | 10 mi |
| 4:53 am | | 80 °F | Passing clouds. | 10 mph | ↑ | 85% | 29.94 "Hg | 10 mi |
| 3:53 am |  | 81 °F | Clear. | 9 mph | ↑ | 85% | 29.94 "Hg | 10 mi |
| 2:53 am | | 82 °F | Clear. | 7 mph | ↑ | 82% | 29.95 "Hg | 10 mi |
| 1:53 am | | 83 °F | Clear. | 12 mph | ↑ | 79% | 29.96 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||