Currently: 91 °F. Passing clouds. (Weather station: Lambert-St. Louis International Airport, USA). See more current weatherPast Weather in City of Waterloo — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
61
64
67
70
73
76
79
82
85
88
91
94
Thu, Jul 31
Lo:73
6 am
Hi:73
9
Lo:72
12 pm
Hi:75
12
Lo:72
6 pm
Hi:75
10
Fri, Aug 1
Lo:66
12 am
Hi:72
8
Lo:66
6 am
Hi:77
9
Lo:79
12 pm
Hi:81
12
Lo:68
6 pm
Hi:77
8
Sat, Aug 2
Lo:63
12 am
Hi:66
6
Lo:63
6 am
Hi:75
11
Lo:77
12 pm
Hi:79
11
Lo:64
6 pm
Hi:75
8
Sun, Aug 3
Lo:63
12 am
Hi:66
3
Lo:63
6 am
Hi:77
6
Lo:75
12 pm
Hi:81
9
Lo:72
6 pm
Hi:77
7
Mon, Aug 4
Lo:66
12 am
Hi:70
3
Lo:66
6 am
Hi:81
3
Lo:81
12 pm
Hi:84
9
Lo:72
6 pm
Hi:82
9
Tue, Aug 5
Lo:66
12 am
Hi:72
7
Lo:66
6 am
Hi:81
4
Lo:81
12 pm
Hi:84
6
Lo:75
6 pm
Hi:82
7
Wed, Aug 6
Lo:72
12 am
Hi:73
2
Lo:72
6 am
Hi:88
4
Lo:88
12 pm
Hi:91
6
Lo:82
6 pm
Hi:90
9
Thu, Aug 7
Lo:75
12 am
Hi:81
5
Lo:77
6 am
Hi:90
7
Lo:84
12 pm
Hi:88
9
Lo:79
6 pm
Hi:84
4
Fri, Aug 8
Lo:75
12 am
Hi:77
6
Lo:77
6 am
Hi:91
10
Lo:91
12 pm
Hi:95
14
Lo:84
6 pm
Hi:91
14
Sat, Aug 9
Lo:77
12 am
Hi:82
10
Lo:77
6 am
Hi:90
9
Lo:90
12 pm
Hi:93
12
Lo:82
6 pm
Hi:90
12
Sun, Aug 10
Lo:77
12 am
Hi:82
9
Lo:79
6 am
Hi:90
12
Lo:73
12 pm
Hi:90
17
Lo:72
6 pm
Hi:73
7
Mon, Aug 11
Lo:73
12 am
Hi:75
7
Lo:73
6 am
Hi:88
7
Lo:90
12 pm
Hi:93
11
Lo:82
6 pm
Hi:90
10
Tue, Aug 12
Lo:79
12 am
Hi:82
6
Lo:79
6 am
Hi:90
7
Lo:75
12 pm
Hi:91
16
Lo:75
6 pm
Hi:81
2
Wed, Aug 13
Lo:72
12 am
Hi:75
2
Lo:72
6 am
Hi:84
4
Lo:86
12 pm
Hi:90
9
Lo:79
6 pm
Hi:86
7
Thu, Aug 14
Lo:72
12 am
Hi:77
4
Lo:72
6 am
Hi:84
1
Lo:84
12 pm
Hi:91
4
Lo:79
6 pm
Hi:88
4
Fri, Aug 15
Lo:77
12 am
Hi:81
4
Lo:79
6 am
Hi:88
7
Thursday, July 31, 2025, 6:00 am — 12:00 pm
73 / 73 °F
More clouds than sun.
Humidity: 88%
Barometer: 30.1 "Hg
NNW
Wind: 8.7 mph
City of Waterloo Temperature Yesterday
Maximum temperature yesterday: 92 °F (at 3:51 pm)
Minimum temperature yesterday: 71 °F (at 6:51 am)
Average temperature yesterday: 81 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 95 °F (Aug 8, 3:51 pm) | 93% (Aug 5, 3:16 am) | 30.30 "Hg (Aug 5, 3:16 am) |
| Low | 62 °F (Aug 3, 4:51 am) | 38% (Aug 2, 1:51 pm) | 29.88 "Hg (Aug 12, 7:51 pm) |
| Average | 79 °F | 67% | 30.06 "Hg |
| * Reported Jul 31 9:07 am — Aug 15 9:51 am, City of Waterloo. 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
City of Waterloo Weather History for the Previous 24 Hours
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 9:51 am Fri, Aug 15 | | 88 °F | Passing clouds. | 10 mph | ↑ | 59% | 30.03 "Hg | 10 mi |
| 8:51 am | | 85 °F | Passing clouds. | 6 mph | ↑ | 65% | 30.03 "Hg | 10 mi |
| 7:51 am | | 81 °F | Passing clouds. | 6 mph | ↑ | 72% | 30.03 "Hg | 10 mi |
| 6:51 am | | 78 °F | Passing clouds. | 5 mph | ↑ | 76% | 30.03 "Hg | 10 mi |
| 5:51 am |  | 78 °F | Passing clouds. | 6 mph | ↑ | 76% | 30.01 "Hg | 10 mi |
| 4:51 am | | 78 °F | Passing clouds. | No wind | ↑ | 74% | 30.00 "Hg | 10 mi |
| 3:51 am | | 77 °F | Passing clouds. | No wind | ↑ | 79% | 29.99 "Hg | 10 mi |
| 2:51 am | | 80 °F | Passing clouds. | 6 mph | ↑ | 69% | 29.98 "Hg | 10 mi |
| 1:51 am | | 79 °F | Passing clouds. | 7 mph | ↑ | 77% | 29.98 "Hg | 10 mi |
| 12:51 am |  | 78 °F | Clear. | 6 mph | ↑ | 82% | 29.99 "Hg | 10 mi |
| 11:51 pm Thu, Aug 14 | | 79 °F | Clear. | 3 mph | ↑ | 79% | 29.99 "Hg | 10 mi |
| 10:51 pm | | 81 °F | Passing clouds. | 3 mph | ↑ | 74% | 29.99 "Hg | 10 mi |
| 9:51 pm | | 82 °F | Passing clouds. | No wind | ↑ | 70% | 29.98 "Hg | 10 mi |
| 8:51 pm | | 84 °F | Passing clouds. | 6 mph | ↑ | 65% | 29.96 "Hg | 10 mi |
| 7:51 pm |  | 86 °F | Broken clouds. | 7 mph | ↑ | 59% | 29.95 "Hg | 10 mi |
| 6:51 pm | | 88 °F | Broken clouds. | 5 mph | ↑ | 55% | 29.94 "Hg | 10 mi |
| 5:51 pm | | 88 °F | Broken clouds. | 5 mph | ↑ | 55% | 29.94 "Hg | 10 mi |
| 4:51 pm | | 89 °F | Broken clouds. | 5 mph | ↑ | 55% | 29.93 "Hg | 10 mi |
| 3:51 pm | | 92 °F | Partly sunny. | 8 mph | ↑ | 47% | 29.93 "Hg | 10 mi |
| 2:51 pm | | 89 °F | Partly sunny. | 3 mph | ↑ | 48% | 29.94 "Hg | 10 mi |
| 1:51 pm | | 87 °F | Scattered clouds. | 3 mph | ↑ | 55% | 29.96 "Hg | 10 mi |
| 12:51 pm | | 85 °F | Partly sunny. | 3 mph | ↑ | 61% | 29.98 "Hg | 10 mi |
| 11:51 am | | 84 °F | Broken clouds. | No wind | ↑ | 61% | 29.99 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||