Currently: 80 °F. Sunny. (Weather station: Southern Illinois Airport, USA). See more current weatherPast Weather in Alto Pass — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
45
50
55
60
65
70
75
80
85
90
95
Wed, Aug 13
Lo:81
12 pm
Hi:86
10
Lo:77
6 pm
Hi:77
2
Thu, Aug 14
12 am
N/A
0
Lo:72
6 am
Hi:88
1
Lo:88
12 pm
Hi:91
1
Lo:73
6 pm
Hi:88
3
Fri, Aug 15
Lo:70
12 am
Hi:72
0
Lo:70
6 am
Hi:91
1
Lo:90
12 pm
Hi:93
5
Lo:73
6 pm
Hi:90
3
Sat, Aug 16
Lo:70
12 am
Hi:73
1
Lo:72
6 am
Hi:91
4
Lo:91
12 pm
Hi:97
4
Lo:75
6 pm
Hi:90
1
Sun, Aug 17
Lo:72
12 am
Hi:73
0
Lo:72
6 am
Hi:93
1
Lo:91
12 pm
Hi:97
4
Lo:75
6 pm
Hi:90
3
Mon, Aug 18
Lo:72
12 am
Hi:75
1
Lo:72
6 am
Hi:91
2
Lo:93
12 pm
Hi:95
4
Lo:77
6 pm
Hi:90
4
Tue, Aug 19
Lo:73
12 am
Hi:75
1
Lo:73
6 am
Hi:95
5
Lo:81
12 pm
Hi:97
7
Lo:75
6 pm
Hi:81
6
Wed, Aug 20
Lo:72
12 am
Hi:75
3
Lo:73
6 am
Hi:81
6
Lo:81
12 pm
Hi:86
7
Lo:72
6 pm
Hi:82
5
Thu, Aug 21
Lo:66
12 am
Hi:70
3
Lo:66
6 am
Hi:79
4
Lo:79
12 pm
Hi:82
7
Lo:66
6 pm
Hi:79
3
Fri, Aug 22
Lo:61
12 am
Hi:68
1
Lo:61
6 am
Hi:81
2
Lo:79
12 pm
Hi:84
6
Lo:63
6 pm
Hi:81
1
Sat, Aug 23
Lo:57
12 am
Hi:63
0
Lo:57
6 am
Hi:84
1
Lo:82
12 pm
Hi:88
9
Lo:64
6 pm
Hi:81
1
Sun, Aug 24
Lo:61
12 am
Hi:70
4
Lo:61
6 am
Hi:77
8
Lo:79
12 pm
Hi:81
11
Lo:55
6 pm
Hi:75
2
Mon, Aug 25
Lo:48
12 am
Hi:55
0
Lo:48
6 am
Hi:73
3
Lo:72
12 pm
Hi:77
9
Lo:52
6 pm
Hi:70
1
Tue, Aug 26
Lo:46
12 am
Hi:50
0
Lo:46
6 am
Hi:75
1
Lo:77
12 pm
Hi:81
9
Lo:52
6 pm
Hi:73
2
Wed, Aug 27
Lo:46
12 am
Hi:50
0
Lo:46
6 am
Hi:75
1
Lo:77
12 pm
Hi:79
4
Lo:57
6 pm
Hi:72
1
Thu, Aug 28
Lo:52
12 am
Hi:55
0
Lo:54
6 am
Hi:79
4
Lo:79
12 pm
Hi:81
4
Alto Pass Temperature Yesterday
Maximum temperature yesterday: 79 °F (at 2:52 pm)
Minimum temperature yesterday: 46 °F (at 4:35 am)
Average temperature yesterday: 62 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 96 °F (Aug 16, 3:52 pm) | 100% (Aug 14, 7:12 am) | 30.30 "Hg (Aug 14, 7:12 am) |
| Low | 46 °F (Aug 26, 4:52 am) | 25% (Aug 26, 4:52 pm) | 29.91 "Hg (Aug 13, 4:53 pm) |
| Average | 73 °F | 75% | 30.06 "Hg |
| * Reported Aug 13 4:53 pm — Aug 28 4:52 pm, Alto Pass. 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
Alto Pass Weather History for the Previous 24 Hours
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 4:52 pm Thu, Aug 28 |  | 81 °F | Scattered clouds. | 6 mph | ↑ | 37% | 30.09 "Hg | 10 mi |
| 3:52 pm | | 81 °F | Sunny. | 6 mph | ↑ | 37% | 30.10 "Hg | 10 mi |
| 2:52 pm | | 81 °F | Sunny. | No wind | ↑ | 37% | 30.11 "Hg | 10 mi |
| 1:52 pm | | 81 °F | Sunny. | 5 mph | ↑ | 35% | 30.13 "Hg | 10 mi |
| 12:52 pm | | 79 °F | Sunny. | 7 mph | ↑ | 38% | 30.14 "Hg | 10 mi |
| 11:52 am | | 79 °F | Sunny. | 5 mph | ↑ | 38% | 30.15 "Hg | 10 mi |
| 10:52 am | | 76 °F | Sunny. | 5 mph | ↑ | 43% | 30.16 "Hg | 10 mi |
| 9:52 am | | 74 °F | Sunny. | 5 mph | ↑ | 50% | 30.17 "Hg | 10 mi |
| 8:52 am | | 70 °F | Sunny. | 3 mph | ↑ | 64% | 30.17 "Hg | 10 mi |
| 7:52 am | | 60 °F | Sunny. | 3 mph | ↑ | 90% | 30.16 "Hg | 10 mi |
| 6:52 am | | 53 °F | Sunny. | No wind | ↑ | 93% | 30.16 "Hg | 10 mi |
| 5:52 am |  | 52 °F | Clear. | No wind | ↑ | 97% | 30.16 "Hg | 10 mi |
| 4:52 am | | 52 °F | Clear. | No wind | ↑ | 97% | 30.16 "Hg | 10 mi |
| 3:52 am | | 52 °F | Clear. | No wind | ↑ | 97% | 30.16 "Hg | 9 mi |
| 2:52 am | | 53 °F | Clear. | No wind | ↑ | 96% | 30.16 "Hg | 10 mi |
| 1:52 am | | 55 °F | Clear. | No wind | ↑ | 93% | 30.16 "Hg | 10 mi |
| 12:52 am | | 55 °F | Clear. | No wind | ↑ | 93% | 30.18 "Hg | 10 mi |
| 11:52 pm Wed, Aug 27 | | 58 °F | Clear. | No wind | ↑ | 87% | 30.18 "Hg | 10 mi |
| 10:52 pm | | 61 °F | Clear. | No wind | ↑ | 83% | 30.17 "Hg | 10 mi |
| 9:52 pm | | 62 °F | Clear. | No wind | ↑ | 80% | 30.18 "Hg | 10 mi |
| 8:52 pm | | 63 °F | Clear. | No wind | ↑ | 75% | 30.17 "Hg | 10 mi |
| 7:52 pm | | 67 °F | Clear. | No wind | ↑ | 66% | 30.17 "Hg | 10 mi |
| 6:52 pm | | 72 °F | Sunny. | 6 mph | ↑ | 52% | 30.17 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||