Past Weather in Isle Royale — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
25
29
33
37
41
45
49
53
57
61
65
69
Mon, Apr 21
Lo:34
12 am
Hi:36
10
Lo:34
6 am
Hi:36
6
Lo:36
12 pm
Hi:37
13
Lo:36
6 pm
Hi:36
15
Tue, Apr 22
Lo:30
12 am
Hi:36
8
Lo:30
6 am
Hi:46
6
Lo:45
12 pm
Hi:54
8
Lo:32
6 pm
Hi:43
3
Wed, Apr 23
Lo:28
12 am
Hi:36
3
Lo:36
6 am
Hi:50
7
Lo:55
12 pm
Hi:64
19
Lo:46
6 pm
Hi:61
9
Thu, Apr 24
Lo:37
12 am
Hi:48
4
Lo:36
6 am
Hi:48
7
Lo:43
12 pm
Hi:48
14
Lo:37
6 pm
Hi:43
8
Fri, Apr 25
Lo:37
12 am
Hi:37
7
Lo:37
6 am
Hi:39
9
Lo:37
12 pm
Hi:39
15
Lo:37
6 pm
Hi:39
15
Sat, Apr 26
Lo:36
12 am
Hi:37
14
Lo:36
6 am
Hi:45
16
Lo:45
12 pm
Hi:50
14
Lo:30
6 pm
Hi:48
4
Sun, Apr 27
Lo:27
12 am
Hi:30
3
Lo:28
6 am
Hi:55
6
Lo:55
12 pm
Hi:59
14
Lo:45
6 pm
Hi:57
12
Mon, Apr 28
Lo:39
12 am
Hi:46
12
Lo:39
6 am
Hi:54
15
Lo:46
12 pm
Hi:55
21
Lo:54
6 pm
Hi:57
17
Tue, Apr 29
Lo:54
12 am
Hi:59
12
Lo:34
6 am
Hi:54
14
Lo:32
12 pm
Hi:37
19
Lo:28
6 pm
Hi:32
12
Wed, Apr 30
Lo:28
12 am
Hi:30
7
Lo:28
6 am
Hi:39
8
Lo:41
12 pm
Hi:54
14
Lo:36
6 pm
Hi:50
11
Thu, May 1
Lo:34
12 am
Hi:36
7
Lo:36
6 am
Hi:48
5
Lo:43
12 pm
Hi:50
7
Lo:37
6 pm
Hi:41
11
Fri, May 2
Lo:37
12 am
Hi:39
12
Lo:37
6 am
Hi:37
12
Lo:36
12 pm
Hi:39
10
Lo:32
6 pm
Hi:34
7
Sat, May 3
Lo:32
12 am
Hi:36
4
Lo:36
6 am
Hi:39
1
Lo:41
12 pm
Hi:55
4
Lo:39
6 pm
Hi:57
9
Sun, May 4
Lo:32
12 am
Hi:39
4
Lo:34
6 am
Hi:61
4
Lo:59
12 pm
Hi:63
14
Lo:43
6 pm
Hi:57
9
Mon, May 5
Lo:30
12 am
Hi:45
2
Lo:30
6 am
Hi:66
5
Lo:64
12 pm
Hi:70
12
Lo:48
6 pm
Hi:64
5
Tue, May 6
Lo:43
12 am
Hi:50
3
Isle Royale Temperature Yesterday
Maximum temperature yesterday: 70 °F (at 1:46 pm)
Minimum temperature yesterday: 30 °F (at 4:58 am)
Average temperature yesterday: 49 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 70 °F (May 5, 1:46 pm) | 100% (Apr 21, 4:58 am) | 30.34 "Hg (Apr 21, 4:58 am) |
| Low | 27 °F (Apr 27, 2:18 am) | 30% (May 5, 12:47 pm) | 29.45 "Hg (Apr 29, 2:38 am) |
| Average | 41 °F | 81% | 30.02 "Hg |
| * Reported Apr 21 2:18 am — May 6 2:38 am, Isle Royale. 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
Isle Royale Weather History for the Previous 24 Hours
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 2:38 am Tue, May 6 |  | 43 °F | Clear. | 3 mph | ↑ | 76% | 30.01 "Hg | 10 mi |
| 1:58 am | | 45 °F | Clear. | 3 mph | ↑ | 71% | 30.02 "Hg | 10 mi |
| 1:38 am | | 43 °F | Clear. | 2 mph | ↑ | 76% | 30.03 "Hg | 10 mi |
| 12:58 am | | 45 °F | Clear. | 3 mph | ↑ | 71% | 30.04 "Hg | 10 mi |
| 12:38 am | | 48 °F | Clear. | 2 mph | ↑ | 66% | 30.03 "Hg | 10 mi |
| 11:58 pm Mon, May 5 | | 50 °F | Clear. | 2 mph | ↑ | 58% | 30.04 "Hg | 10 mi |
| 11:38 pm | | 48 °F | Clear. | 3 mph | ↑ | 62% | 30.04 "Hg | 10 mi |
| 11:18 pm | | 48 °F | Clear. | 3 mph | ↑ | 62% | 30.04 "Hg | 10 mi |
| 10:58 pm | | 48 °F | Clear. | 3 mph | ↑ | 62% | 30.04 "Hg | 10 mi |
| 10:38 pm | | 54 °F | Clear. | 3 mph | ↑ | 51% | 30.05 "Hg | 10 mi |
| 10:18 pm | | 52 °F | Clear. | 5 mph | ↑ | 54% | 30.05 "Hg | 10 mi |
| 9:47 pm | | 55 °F | Clear. | 6 mph | ↑ | 47% | 30.04 "Hg | 10 mi |
| 8:47 pm |  | 59 °F | Sunny. | 5 mph | ↑ | 42% | 30.04 "Hg | 10 mi |
| 7:47 pm | | 64 °F | Sunny. | 6 mph | ↑ | 34% | 30.04 "Hg | 10 mi |
| 6:47 pm | | 64 °F | Sunny. | 12 mph | ↑ | 34% | 30.05 "Hg | 10 mi |
| 5:47 pm | | 64 °F | Sunny. | 15 mph | ↑ | 34% | 30.05 "Hg | 10 mi |
| 4:47 pm | | 66 °F | Sunny. | 13 mph | ↑ | 32% | 30.05 "Hg | 10 mi |
| 3:47 pm | | 66 °F | Sunny. | 14 mph | ↑ | 32% | 30.07 "Hg | 10 mi |
| 2:47 pm | | 66 °F | Sunny. | 15 mph | ↑ | 32% | 30.08 "Hg | 10 mi |
| 1:46 pm | | 70 °F | Sunny. | 10 mph | ↑ | 31% | 30.09 "Hg | 10 mi |
| 12:47 pm | | 68 °F | Sunny. | 8 mph | ↑ | 30% | 30.11 "Hg | 10 mi |
| 11:47 am | | 66 °F | Sunny. | 8 mph | ↑ | 32% | 30.12 "Hg | 10 mi |
| 10:46 am | | 61 °F | Sunny. | No wind | ↑ | 36% | 30.14 "Hg | 10 mi |
| 9:47 am | | 57 °F | Sunny. | 6 mph | ↑ | 39% | 30.14 "Hg | 10 mi |
| 8:47 am | | 54 °F | Sunny. | 9 mph | ↑ | 44% | 30.14 "Hg | 10 mi |
| 7:47 am | | 48 °F | Sunny. | 9 mph | ↑ | 54% | 30.13 "Hg | 10 mi |
| 6:47 am | | 34 °F | Sunny. | 3 mph | ↑ | 81% | 30.13 "Hg | 10 mi |
| 5:58 am | | 30 °F | Clear. | No wind | ↑ | 93% | 30.11 "Hg | 10 mi |
| 5:38 am | | 30 °F | Clear. | 1 mph | ↑ | 93% | 30.11 "Hg | 10 mi |
| 4:58 am | | 30 °F | Clear. | 2 mph | ↑ | 93% | 30.12 "Hg | 10 mi |
| 4:38 am | | 34 °F | Clear. | 2 mph | ↑ | 93% | 30.11 "Hg | 10 mi |
| 3:58 am | | 34 °F | Clear. | 3 mph | ↑ | 87% | 30.10 "Hg | 10 mi |
| 3:38 am | | 34 °F | Clear. | 2 mph | ↑ | 93% | 30.10 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||