Currently: 80 °F. Passing clouds. (Weather station: Lambert-St. Louis International Airport, USA). See more current weatherAugust 2018 Weather in St. Louis — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
59
63
67
71
75
79
83
87
91
95
99
Wed, Aug 1
Lo:61
12 am
Hi:64
1
Lo:63
6 am
Hi:81
2
Lo:82
12 pm
Hi:86
4
Lo:75
6 pm
Hi:82
9
Thu, Aug 2
Lo:70
12 am
Hi:73
6
Lo:70
6 am
Hi:90
8
Lo:79
12 pm
Hi:93
9
Lo:79
6 pm
Hi:81
4
Fri, Aug 3
Lo:72
12 am
Hi:75
7
Lo:72
6 am
Hi:91
2
Lo:91
12 pm
Hi:95
7
Lo:82
6 pm
Hi:91
9
Sat, Aug 4
Lo:77
12 am
Hi:81
7
Lo:75
6 am
Hi:90
9
Lo:90
12 pm
Hi:93
12
Lo:82
6 pm
Hi:90
12
Sun, Aug 5
Lo:77
12 am
Hi:82
8
Lo:79
6 am
Hi:91
7
Lo:91
12 pm
Hi:95
11
Lo:82
6 pm
Hi:91
11
Mon, Aug 6
Lo:79
12 am
Hi:81
7
Lo:79
6 am
Hi:93
11
Lo:91
12 pm
Hi:99
13
Lo:84
6 pm
Hi:91
12
Tue, Aug 7
Lo:75
12 am
Hi:84
11
Lo:72
6 am
Hi:79
7
Lo:75
12 pm
Hi:81
8
Lo:75
6 pm
Hi:81
3
Wed, Aug 8
Lo:72
12 am
Hi:73
3
Lo:73
6 am
Hi:88
7
Lo:86
12 pm
Hi:90
11
Lo:75
6 pm
Hi:84
4
Thu, Aug 9
Lo:70
12 am
Hi:73
0
Lo:70
6 am
Hi:88
2
Lo:84
12 pm
Hi:88
8
Lo:75
6 pm
Hi:86
6
Fri, Aug 10
Lo:70
12 am
Hi:75
4
Lo:72
6 am
Hi:91
5
Lo:72
12 pm
Hi:95
6
Lo:75
6 pm
Hi:79
2
Sat, Aug 11
Lo:73
12 am
Hi:75
2
Lo:73
6 am
Hi:84
6
Lo:86
12 pm
Hi:88
9
Lo:73
6 pm
Hi:84
6
Sun, Aug 12
Lo:72
12 am
Hi:75
1
Lo:70
6 am
Hi:86
3
Lo:86
12 pm
Hi:90
6
Lo:79
6 pm
Hi:84
4
Mon, Aug 13
Lo:72
12 am
Hi:75
1
Lo:75
6 am
Hi:88
2
Lo:88
12 pm
Hi:90
7
Lo:75
6 pm
Hi:86
7
Tue, Aug 14
Lo:70
12 am
Hi:75
6
Lo:73
6 am
Hi:84
8
Lo:75
12 pm
Hi:82
10
Lo:75
6 pm
Hi:75
8
Wed, Aug 15
Lo:73
12 am
Hi:73
6
Lo:72
6 am
Hi:75
9
Lo:73
12 pm
Hi:84
11
Lo:75
6 pm
Hi:77
7
Thu, Aug 16
Lo:73
12 am
Hi:75
6
Lo:73
6 am
Hi:84
7
Lo:88
12 pm
Hi:91
9
Lo:84
6 pm
Hi:90
9
Fri, Aug 17
Lo:75
12 am
Hi:81
8
Lo:73
6 am
Hi:82
12
Lo:84
12 pm
Hi:88
9
Lo:75
6 pm
Hi:82
6
Sat, Aug 18
Lo:70
12 am
Hi:73
4
Lo:70
6 am
Hi:81
7
Lo:82
12 pm
Hi:86
6
Lo:75
6 pm
Hi:82
6
Sun, Aug 19
Lo:70
12 am
Hi:75
1
Lo:70
6 am
Hi:82
6
Lo:82
12 pm
Hi:84
10
Lo:79
6 pm
Hi:82
11
Mon, Aug 20
Lo:73
12 am
Hi:79
11
Lo:73
6 am
Hi:81
14
Lo:79
12 pm
Hi:84
14
Lo:72
6 pm
Hi:79
5
Tue, Aug 21
Lo:70
12 am
Hi:72
6
Lo:70
6 am
Hi:72
11
Lo:77
12 pm
Hi:81
13
Lo:72
6 pm
Hi:79
6
Wed, Aug 22
Lo:64
12 am
Hi:72
7
Lo:64
6 am
Hi:73
9
Lo:75
12 pm
Hi:79
9
Lo:66
6 pm
Hi:73
2
Thu, Aug 23
Lo:61
12 am
Hi:66
0
Lo:61
6 am
Hi:77
4
Lo:75
12 pm
Hi:79
11
Lo:70
6 pm
Hi:75
11
Fri, Aug 24
Lo:68
12 am
Hi:72
9
Lo:64
6 am
Hi:66
12
Lo:70
12 pm
Hi:73
11
Lo:73
6 pm
Hi:73
12
Sat, Aug 25
Lo:75
12 am
Hi:77
14
Lo:75
6 am
Hi:88
13
Lo:90
12 pm
Hi:93
15
Lo:82
6 pm
Hi:90
11
Sun, Aug 26
Lo:81
12 am
Hi:82
9
Lo:81
6 am
Hi:91
9
Lo:91
12 pm
Hi:93
12
Lo:82
6 pm
Hi:90
12
Mon, Aug 27
Lo:79
12 am
Hi:81
7
Lo:77
6 am
Hi:91
12
Lo:91
12 pm
Hi:93
16
Lo:82
6 pm
Hi:90
15
Tue, Aug 28
Lo:79
12 am
Hi:81
9
Lo:79
6 am
Hi:91
14
Lo:91
12 pm
Hi:95
15
Lo:82
6 pm
Hi:90
14
Wed, Aug 29
Lo:72
12 am
Hi:82
11
Lo:70
6 am
Hi:72
10
Lo:70
12 pm
Hi:75
8
Lo:73
6 pm
Hi:75
4
Thu, Aug 30
Lo:68
12 am
Hi:73
5
Lo:68
6 am
Hi:79
6
Lo:77
12 pm
Hi:79
4
Lo:75
6 pm
Hi:79
6
Fri, Aug 31
Lo:70
12 am
Hi:73
6
Lo:70
6 am
Hi:82
6
Lo:84
12 pm
Hi:88
8
Lo:79
6 pm
Hi:84
9
Wednesday, August 1, 2018, 12:00 am — 6:00 am
64 / 61 °F
Passing clouds.
Humidity: 93%
Barometer: 29.99 "Hg
WNW
Wind: 1.243 mph
High & Low Weather Summary for August 2018
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 98 °F (Aug 6, 2:51 pm) | 100% (Aug 21, 2:38 am) | 30.21 "Hg (Aug 21, 2:38 am) |
| Low | 60 °F (Aug 23, 5:51 am) | 31% (Aug 1, 3:51 pm) | 29.70 "Hg (Aug 20, 5:51 pm) |
| Average | 79 °F | 72% | 29.97 "Hg |
| * Reported Aug 1 12:51 am — Aug 31 11:51 pm, St. Louis. 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
St. Louis Weather History for August 1, 2018
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:51 am Wed, Aug 1 |  | 64 °F | Passing clouds. | No wind | ↑ | 87% | 29.98 "Hg | 10 mi |
| 1:51 am | | 64 °F | Passing clouds. | No wind | ↑ | 90% | 29.99 "Hg | 10 mi |
| 2:51 am | | 63 °F | Passing clouds. | No wind | ↑ | 93% | 29.99 "Hg | 10 mi |
| 3:51 am | | 63 °F | Passing clouds. | No wind | ↑ | 93% | 29.98 "Hg | 9 mi |
| 4:51 am |  | 61 °F | Clear. | 3 mph | ↑ | 97% | 29.99 "Hg | 9 mi |
| 5:51 am | | 62 °F | Passing clouds. | 3 mph | ↑ | 96% | 30.00 "Hg | 9 mi |
| 6:51 am |  | 63 °F | Passing clouds. | No wind | ↑ | 93% | 30.01 "Hg | 9 mi |
| 7:51 am |  | 68 °F | Sunny. | No wind | ↑ | 84% | 30.02 "Hg | 10 mi |
| 8:51 am | | 73 °F | Sunny. | No wind | ↑ | 74% | 30.04 "Hg | 10 mi |
| 9:51 am | | 76 °F | Sunny. | 5 mph | ↑ | 56% | 30.03 "Hg | 10 mi |
| 10:51 am | | 78 °F | Sunny. | 5 mph | ↑ | 50% | 30.03 "Hg | 10 mi |
| 11:51 am | | 81 °F | Passing clouds. | 5 mph | ↑ | 45% | 30.02 "Hg | 10 mi |
| 12:51 pm | | 83 °F | Passing clouds. | 5 mph | ↑ | 44% | 30.01 "Hg | 10 mi |
| 1:51 pm | | 83 °F | Passing clouds. | 7 mph | ↑ | 40% | 30.00 "Hg | 10 mi |
| 2:51 pm | | 84 °F | Passing clouds. | 5 mph | ↑ | 40% | 29.99 "Hg | 10 mi |
| 3:51 pm | | 86 °F | Passing clouds. | 3 mph | ↑ | 31% | 29.97 "Hg | 10 mi |
| 4:51 pm | | 86 °F | Scattered clouds. | N/A | ↑ | 33% | 29.97 "Hg | 10 mi |
| 5:51 pm | | 85 °F | Scattered clouds. | 8 mph | ↑ | 40% | 29.96 "Hg | 10 mi |
| 6:51 pm | | 83 °F | Passing clouds. | 12 mph | ↑ | 46% | 29.96 "Hg | 10 mi |
| 7:51 pm | | 81 °F | Passing clouds. | 8 mph | ↑ | 51% | 29.96 "Hg | 10 mi |
| 8:51 pm | | 79 °F | Passing clouds. | 9 mph | ↑ | 54% | 29.97 "Hg | 10 mi |
| 9:51 pm | | 77 °F | Passing clouds. | 8 mph | ↑ | 62% | 29.98 "Hg | 10 mi |
| 10:51 pm | | 76 °F | Clear. | 9 mph | ↑ | 64% | 29.99 "Hg | 10 mi |
| 11:51 pm | | 75 °F | Clear. | 8 mph | ↑ | 66% | 29.99 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||