Currently: 60 °F. Partly sunny. (Weather station: Portland International Airport, USA). See more current weatherAugust 2018 Weather in Portland — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
50
54
58
62
66
70
74
78
82
86
90
94
Wed, Aug 1
Lo:63
12 am
Hi:63
6
Lo:63
6 am
Hi:70
5
Lo:72
12 pm
Hi:84
7
Lo:64
6 pm
Hi:84
8
Thu, Aug 2
Lo:61
12 am
Hi:63
7
Lo:61
6 am
Hi:64
1
Lo:66
12 pm
Hi:72
1
Lo:64
6 pm
Hi:72
6
Fri, Aug 3
Lo:64
12 am
Hi:64
2
Lo:64
6 am
Hi:68
2
Lo:72
12 pm
Hi:77
5
Lo:64
6 pm
Hi:75
7
Sat, Aug 4
Lo:59
12 am
Hi:63
5
Lo:59
6 am
Hi:72
4
Lo:73
12 pm
Hi:84
4
Lo:72
6 pm
Hi:84
6
Sun, Aug 5
Lo:61
12 am
Hi:70
3
Lo:61
6 am
Hi:73
4
Lo:79
12 pm
Hi:91
7
Lo:73
6 pm
Hi:91
6
Mon, Aug 6
Lo:63
12 am
Hi:72
4
Lo:63
6 am
Hi:75
6
Lo:79
12 pm
Hi:91
9
Lo:72
6 pm
Hi:90
8
Tue, Aug 7
Lo:63
12 am
Hi:70
2
Lo:63
6 am
Hi:75
7
Lo:81
12 pm
Hi:93
11
Lo:79
6 pm
Hi:91
7
Wed, Aug 8
Lo:66
12 am
Hi:75
3
Lo:66
6 am
Hi:81
4
Lo:84
12 pm
Hi:93
5
Lo:73
6 pm
Hi:93
5
Thu, Aug 9
Lo:64
12 am
Hi:72
4
Lo:64
6 am
Hi:81
1
Lo:84
12 pm
Hi:95
7
Lo:75
6 pm
Hi:93
4
Fri, Aug 10
Lo:68
12 am
Hi:75
1
Lo:72
6 am
Hi:79
7
Lo:81
12 pm
Hi:91
6
Lo:66
6 pm
Hi:84
6
Sat, Aug 11
Lo:64
12 am
Hi:66
5
Lo:64
6 am
Hi:73
7
Lo:70
12 pm
Hi:75
7
Lo:64
6 pm
Hi:73
6
Sun, Aug 12
Lo:63
12 am
Hi:64
2
Lo:63
6 am
Hi:70
2
Lo:73
12 pm
Hi:79
12
Lo:64
6 pm
Hi:73
11
Mon, Aug 13
Lo:61
12 am
Hi:64
6
Lo:61
6 am
Hi:77
6
Lo:81
12 pm
Hi:90
12
Lo:72
6 pm
Hi:88
7
Tue, Aug 14
Lo:63
12 am
Hi:72
1
Lo:63
6 am
Hi:79
4
Lo:82
12 pm
Hi:93
8
Lo:75
6 pm
Hi:91
5
Wed, Aug 15
Lo:66
12 am
Hi:72
2
Lo:64
6 am
Hi:75
4
Lo:79
12 pm
Hi:88
7
Lo:68
6 pm
Hi:84
6
Thu, Aug 16
Lo:63
12 am
Hi:66
6
Lo:63
6 am
Hi:70
6
Lo:72
12 pm
Hi:82
7
Lo:63
6 pm
Hi:79
7
Fri, Aug 17
Lo:55
12 am
Hi:63
5
Lo:55
6 am
Hi:68
5
Lo:72
12 pm
Hi:81
7
Lo:63
6 pm
Hi:79
7
Sat, Aug 18
Lo:57
12 am
Hi:61
6
Lo:57
6 am
Hi:70
6
Lo:73
12 pm
Hi:88
4
Lo:72
6 pm
Hi:86
6
Sun, Aug 19
Lo:61
12 am
Hi:68
2
Lo:61
6 am
Hi:73
2
Lo:79
12 pm
Hi:88
9
Lo:68
6 pm
Hi:82
6
Mon, Aug 20
Lo:61
12 am
Hi:66
4
Lo:61
6 am
Hi:72
2
Lo:73
12 pm
Hi:82
4
Lo:70
6 pm
Hi:82
2
Tue, Aug 21
Lo:63
12 am
Hi:70
1
Lo:66
6 am
Hi:88
14
Lo:90
12 pm
Hi:93
14
Lo:72
6 pm
Hi:91
8
Wed, Aug 22
Lo:61
12 am
Hi:70
2
Lo:61
6 am
Hi:81
4
Lo:84
12 pm
Hi:91
7
Lo:63
6 pm
Hi:82
7
Thu, Aug 23
Lo:61
12 am
Hi:61
3
Lo:61
6 am
Hi:63
4
Lo:64
12 pm
Hi:73
6
Lo:61
6 pm
Hi:73
11
Fri, Aug 24
Lo:55
12 am
Hi:61
4
Lo:61
6 am
Hi:64
4
Lo:64
12 pm
Hi:72
6
Lo:61
6 pm
Hi:70
7
Sat, Aug 25
Lo:54
12 am
Hi:59
6
Lo:52
6 am
Hi:63
1
Lo:64
12 pm
Hi:70
4
Lo:61
6 pm
Hi:70
4
Sun, Aug 26
Lo:61
12 am
Hi:61
3
Lo:61
6 am
Hi:66
1
Lo:61
12 pm
Hi:66
5
Lo:61
6 pm
Hi:63
6
Mon, Aug 27
Lo:61
12 am
Hi:63
4
Lo:61
6 am
Hi:66
7
Lo:70
12 pm
Hi:79
6
Lo:64
6 pm
Hi:77
6
Tue, Aug 28
Lo:55
12 am
Hi:64
1
Lo:55
6 am
Hi:75
3
Lo:81
12 pm
Hi:90
10
Lo:70
6 pm
Hi:86
7
Wed, Aug 29
Lo:57
12 am
Hi:66
2
Lo:57
6 am
Hi:73
2
Lo:79
12 pm
Hi:84
7
Lo:63
6 pm
Hi:75
9
Thu, Aug 30
Lo:61
12 am
Hi:64
2
Lo:63
6 am
Hi:66
2
Lo:68
12 pm
Hi:73
2
Lo:63
6 pm
Hi:73
7
Fri, Aug 31
Lo:63
12 am
Hi:63
7
Lo:63
6 am
Hi:68
2
Lo:70
12 pm
Hi:73
9
Lo:61
6 pm
Hi:70
10
Wednesday, August 1, 2018, 12:00 am — 6:00 am
63 / 63 °F
Passing clouds.
Humidity: 79%
Barometer: 30.03 "Hg
NNW
Wind: 6.214 mph
High & Low Weather Summary for August 2018
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 95 °F (Aug 9, 4:53 pm) | 93% (Aug 26, 7:53 pm) | 30.27 "Hg (Aug 26, 7:53 pm) |
| Low | 52 °F (Aug 25, 6:24 am) | 18% (Aug 21, 3:53 pm) | 29.75 "Hg (Aug 14, 7:19 pm) |
| Average | 71 °F | 60% | 30.01 "Hg |
| * Reported Aug 1 12:53 am — Aug 31 11:53 pm, Portland. 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
Portland Weather History for August 1, 2018
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:53 am Wed, Aug 1 |  | 63 °F | Clear. | 7 mph | ↑ | 78% | 30.03 "Hg | 10 mi |
| 1:53 am |  | 62 °F | Passing clouds. | 9 mph | ↑ | 80% | 30.03 "Hg | 10 mi |
| 2:53 am | | 62 °F | Passing clouds. | 8 mph | ↑ | 80% | 30.03 "Hg | 10 mi |
| 3:30 am | | 62 °F | Passing clouds. | 5 mph | ↑ | 80% | 30.04 "Hg | 10 mi |
| 3:53 am |  | 62 °F | Overcast. | 3 mph | ↑ | 80% | 30.03 "Hg | 10 mi |
| 4:53 am | | 62 °F | Overcast. | 7 mph | ↑ | 80% | 30.03 "Hg | 10 mi |
| 5:53 am |  | 63 °F | Overcast. | 3 mph | ↑ | 78% | 30.04 "Hg | 10 mi |
| 6:53 am | | 63 °F | Overcast. | 5 mph | ↑ | 78% | 30.05 "Hg | 10 mi |
| 7:30 am | | 63 °F | Overcast. | 5 mph | ↑ | 78% | 30.06 "Hg | 10 mi |
| 7:53 am | | 64 °F | Overcast. | 7 mph | ↑ | 75% | 30.06 "Hg | 10 mi |
| 8:53 am | | 65 °F | Overcast. | 5 mph | ↑ | 73% | 30.07 "Hg | 10 mi |
| 9:53 am | | 65 °F | Overcast. | 3 mph | ↑ | 73% | 30.06 "Hg | 10 mi |
| 10:53 am | | 67 °F | Overcast. | 5 mph | ↑ | 68% | 30.06 "Hg | 10 mi |
| 11:53 am |  | 70 °F | Passing clouds. | 5 mph | ↑ | 61% | 30.05 "Hg | 10 mi |
| 12:53 pm | | 72 °F | Passing clouds. | 7 mph | ↑ | 57% | 30.03 "Hg | 10 mi |
| 1:53 pm | | 76 °F | Passing clouds. | 6 mph | ↑ | 52% | 30.01 "Hg | 10 mi |
| 2:53 pm | | 79 °F | Passing clouds. | 5 mph | ↑ | 42% | 29.99 "Hg | 10 mi |
| 3:53 pm | | 82 °F | Passing clouds. | 8 mph | ↑ | 40% | 29.97 "Hg | 10 mi |
| 4:53 pm | | 84 °F | Passing clouds. | 10 mph | ↑ | 40% | 29.95 "Hg | 10 mi |
| 5:53 pm | | 84 °F | Passing clouds. | 10 mph | ↑ | 41% | 29.94 "Hg | 10 mi |
| 6:53 pm | | 84 °F | Passing clouds. | 9 mph | ↑ | 38% | 29.92 "Hg | 10 mi |
| 7:53 pm |  | 80 °F | Sunny. | 8 mph | ↑ | 47% | 29.92 "Hg | 10 mi |
| 8:53 pm | | 75 °F | Passing clouds. | 5 mph | ↑ | 54% | 29.93 "Hg | 10 mi |
| 9:53 pm | | 71 °F | Passing clouds. | 7 mph | ↑ | 59% | 29.96 "Hg | 10 mi |
| 10:53 pm | | 67 °F | Clear. | 9 mph | ↑ | 68% | 29.98 "Hg | 10 mi |
| 11:53 pm | | 64 °F | Clear. | 9 mph | ↑ | 73% | 29.99 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||