Currently: 71 °F. Sunny. (Weather station: Portland - Portland International Jetport, USA). See more current weatherAugust 2018 Weather in Portland — Graph
°F
Time
Wind
(mph)
(mph)
Temp
(°F)
(°F)
54
58
62
66
70
74
78
82
86
90
Wed, Aug 1
Lo:64
12 am
Hi:66
0
Lo:64
6 am
Hi:79
4
Lo:70
12 pm
Hi:73
10
Lo:70
6 pm
Hi:72
6
Thu, Aug 2
Lo:72
12 am
Hi:73
3
Lo:73
6 am
Hi:86
9
Lo:86
12 pm
Hi:90
14
Lo:77
6 pm
Hi:86
5
Fri, Aug 3
Lo:73
12 am
Hi:75
4
Lo:73
6 am
Hi:86
5
Lo:79
12 pm
Hi:84
9
Lo:72
6 pm
Hi:79
7
Sat, Aug 4
Lo:70
12 am
Hi:72
2
Lo:70
6 am
Hi:79
5
Lo:73
12 pm
Hi:75
6
Lo:68
6 pm
Hi:73
3
Sun, Aug 5
Lo:66
12 am
Hi:68
2
Lo:66
6 am
Hi:81
2
Lo:81
12 pm
Hi:82
9
Lo:72
6 pm
Hi:79
3
Mon, Aug 6
Lo:66
12 am
Hi:72
1
Lo:70
6 am
Hi:88
3
Lo:88
12 pm
Hi:91
9
Lo:77
6 pm
Hi:86
4
Tue, Aug 7
Lo:72
12 am
Hi:77
2
Lo:75
6 am
Hi:91
7
Lo:84
12 pm
Hi:91
9
Lo:75
6 pm
Hi:84
6
Wed, Aug 8
Lo:72
12 am
Hi:75
4
Lo:73
6 am
Hi:82
6
Lo:81
12 pm
Hi:81
7
Lo:73
6 pm
Hi:75
2
Thu, Aug 9
Lo:72
12 am
Hi:73
4
Lo:73
6 am
Hi:84
7
Lo:82
12 pm
Hi:88
7
Lo:73
6 pm
Hi:84
3
Fri, Aug 10
Lo:66
12 am
Hi:72
2
Lo:70
6 am
Hi:81
7
Lo:81
12 pm
Hi:82
8
Lo:63
6 pm
Hi:75
2
Sat, Aug 11
Lo:57
12 am
Hi:63
2
Lo:61
6 am
Hi:73
3
Lo:68
12 pm
Hi:73
6
Lo:66
6 pm
Hi:66
4
Sun, Aug 12
Lo:64
12 am
Hi:66
5
Lo:64
6 am
Hi:66
7
Lo:68
12 pm
Hi:70
10
Lo:68
6 pm
Hi:70
6
Mon, Aug 13
Lo:66
12 am
Hi:66
6
Lo:66
6 am
Hi:70
5
Lo:66
12 pm
Hi:70
6
Lo:64
6 pm
Hi:66
6
Tue, Aug 14
Lo:64
12 am
Hi:66
6
Lo:66
6 am
Hi:68
7
Lo:70
12 pm
Hi:73
6
Lo:70
6 pm
Hi:70
2
Wed, Aug 15
Lo:70
12 am
Hi:70
1
Lo:70
6 am
Hi:75
2
Lo:73
12 pm
Hi:82
7
Lo:72
6 pm
Hi:75
3
Thu, Aug 16
Lo:70
12 am
Hi:72
3
Lo:72
6 am
Hi:82
2
Lo:81
12 pm
Hi:84
8
Lo:64
6 pm
Hi:79
4
Fri, Aug 17
Lo:57
12 am
Hi:64
0
Lo:61
6 am
Hi:73
4
Lo:72
12 pm
Hi:75
7
Lo:70
6 pm
Hi:72
4
Sat, Aug 18
Lo:72
12 am
Hi:72
6
Lo:72
6 am
Hi:79
7
Lo:70
12 pm
Hi:81
11
Lo:64
6 pm
Hi:70
9
Sun, Aug 19
Lo:59
12 am
Hi:64
4
Lo:61
6 am
Hi:73
9
Lo:70
12 pm
Hi:75
10
Lo:63
6 pm
Hi:68
6
Mon, Aug 20
Lo:61
12 am
Hi:63
2
Lo:63
6 am
Hi:72
7
Lo:70
12 pm
Hi:72
9
Lo:61
6 pm
Hi:66
3
Tue, Aug 21
Lo:55
12 am
Hi:57
1
Lo:57
6 am
Hi:72
2
Lo:68
12 pm
Hi:72
9
Lo:63
6 pm
Hi:66
2
Wed, Aug 22
Lo:64
12 am
Hi:66
4
Lo:64
6 am
Hi:68
7
Lo:70
12 pm
Hi:75
3
Lo:64
6 pm
Hi:75
6
Thu, Aug 23
Lo:61
12 am
Hi:64
4
Lo:61
6 am
Hi:73
7
Lo:72
12 pm
Hi:77
6
Lo:59
6 pm
Hi:70
6
Fri, Aug 24
Lo:55
12 am
Hi:59
4
Lo:57
6 am
Hi:79
4
Lo:75
12 pm
Hi:79
9
Lo:64
6 pm
Hi:73
3
Sat, Aug 25
Lo:61
12 am
Hi:63
0
Lo:61
6 am
Hi:75
4
Lo:72
12 pm
Hi:75
12
Lo:66
6 pm
Hi:70
7
Sun, Aug 26
Lo:63
12 am
Hi:66
2
Lo:61
6 am
Hi:73
6
Lo:72
12 pm
Hi:75
12
Lo:68
6 pm
Hi:72
6
Mon, Aug 27
Lo:66
12 am
Hi:70
2
Lo:68
6 am
Hi:82
6
Lo:79
12 pm
Hi:86
7
Lo:72
6 pm
Hi:77
5
Tue, Aug 28
Lo:72
12 am
Hi:73
1
Lo:73
6 am
Hi:86
7
Lo:88
12 pm
Hi:91
8
Lo:82
6 pm
Hi:88
8
Wed, Aug 29
Lo:73
12 am
Hi:81
3
Lo:73
6 am
Hi:88
6
Lo:82
12 pm
Hi:88
12
Lo:75
6 pm
Hi:82
6
Thu, Aug 30
Lo:73
12 am
Hi:77
4
Lo:73
6 am
Hi:81
9
Lo:75
12 pm
Hi:81
12
Lo:63
6 pm
Hi:72
9
Fri, Aug 31
Lo:57
12 am
Hi:59
4
Lo:57
6 am
Hi:70
6
Lo:66
12 pm
Hi:72
7
Lo:55
6 pm
Hi:64
1
Wednesday, August 1, 2018, 12:00 am — 6:00 am
66 / 64 °F
Clear.
Humidity: 97%
Barometer: 30.12 "Hg
N
Wind: 0 mph
High & Low Weather Summary for August 2018
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 92 °F (Aug 6, 4:51 pm) | 100% (Aug 1, 5:36 am) | 30.38 "Hg (Aug 1, 5:36 am) |
| Low | 55 °F (Aug 24, 4:51 am) | 37% (Aug 16, 4:51 pm) | 29.59 "Hg (Aug 22, 3:51 pm) |
| Average | 72 °F | 82% | 29.99 "Hg |
| * Reported Aug 1 12:51 am — Aug 31 11:51 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 | ||
| 12:51 am Wed, Aug 1 |  | 67 °F | Clear. | No wind | ↑ | 93% | 30.11 "Hg | 10 mi |
| 1:51 am | | 67 °F | Clear. | No wind | ↑ | 97% | 30.11 "Hg | 8 mi |
| 2:51 am | | 66 °F | Clear. | No wind | ↑ | 96% | 30.12 "Hg | 9 mi |
| 3:51 am |  | 66 °F | Fog. | No wind | ↑ | 96% | 30.12 "Hg | 6 mi |
| 4:51 am | | 66 °F | Fog. | No wind | ↑ | 96% | 30.12 "Hg | 5 mi |
| 5:36 am |  | 65 °F | Fog. | No wind | ↑ | 100% | 30.12 "Hg | 2 mi |
| 5:51 am | | 65 °F | Fog. | No wind | ↑ | 100% | 30.12 "Hg | 1 mi |
| 6:06 am | | 65 °F | Fog. | No wind | ↑ | 100% | 30.13 "Hg | 0 mi |
| 6:24 am | | 65 °F | Fog. | No wind | ↑ | 100% | 30.13 "Hg | 1 mi |
| 6:51 am | | 66 °F | Fog. | 5 mph | ↑ | 100% | 30.14 "Hg | 1 mi |
| 7:22 am | | 68 °F | Fog. | No wind | ↑ | 96% | 30.14 "Hg | 3 mi |
| 7:51 am |  | 72 °F | Scattered clouds. | No wind | ↑ | 81% | 30.14 "Hg | 10 mi |
| 8:51 am | | 74 °F | Scattered clouds. | 3 mph | ↑ | 79% | 30.14 "Hg | 10 mi |
| 9:51 am |  | 77 °F | Broken clouds. | 5 mph | ↑ | 71% | 30.13 "Hg | 10 mi |
| 10:51 am | | 78 °F | Broken clouds. | 8 mph | ↑ | 71% | 30.13 "Hg | 10 mi |
| 11:51 am | | 75 °F | Partly sunny. | 10 mph | ↑ | 66% | 30.13 "Hg | 10 mi |
| 12:51 pm |  | 74 °F | Overcast. | 13 mph | ↑ | 79% | 30.13 "Hg | 10 mi |
| 1:51 pm | | 73 °F | Broken clouds. | 9 mph | ↑ | 84% | 30.12 "Hg | 10 mi |
| 2:37 pm | | 73 °F | Overcast. | 12 mph | ↑ | 81% | 30.12 "Hg | 10 mi |
| 2:51 pm | | 72 °F | Overcast. | 10 mph | ↑ | 84% | 30.11 "Hg | 10 mi |
| 3:51 pm | | 72 °F | Overcast. | 9 mph | ↑ | 87% | 30.10 "Hg | 10 mi |
| 4:51 pm |  | 71 °F | Light rain. Fog. | 12 mph | ↑ | 93% | 30.08 "Hg | 5 mi |
| 5:26 pm | | 70 °F | Light rain. Fog. | 8 mph | ↑ | 100% | 30.08 "Hg | 2 mi |
| 5:51 pm | | 70 °F | Light rain. Fog. | 7 mph | ↑ | 97% | 30.06 "Hg | 2 mi |
| 6:08 pm | | 70 °F | Light rain. Fog. | 7 mph | ↑ | 97% | 30.06 "Hg | 2 mi |
| 6:51 pm | | 69 °F | Light rain. Fog. | 6 mph | ↑ | 100% | 30.05 "Hg | 2 mi |
| 7:33 pm |  | 69 °F | Rain. Fog. | 8 mph | ↑ | 100% | 30.03 "Hg | 1 mi |
| 7:51 pm | | 69 °F | Light rain. Fog. | 5 mph | ↑ | 100% | 30.02 "Hg | 1 mi |
| 9:21 pm |  | 70 °F | Light rain. Fog. | 9 mph | ↑ | 100% | 30.00 "Hg | 4 mi |
| 9:36 pm | | 71 °F | Light rain. Mostly cloudy. | 9 mph | ↑ | 96% | 29.99 "Hg | 10 mi |
| 10:15 pm |  | 71 °F | Mostly cloudy. | 6 mph | ↑ | 96% | 30.00 "Hg | 10 mi |
| 10:31 pm | | 71 °F | Low clouds. | 6 mph | ↑ | 96% | 30.00 "Hg | 10 mi |
| 10:51 pm | | 71 °F | Mostly cloudy. | 5 mph | ↑ | 100% | 30.00 "Hg | 10 mi |
| 11:21 pm | | 71 °F | Overcast. | 3 mph | ↑ | 100% | 30.00 "Hg | 10 mi |
| 11:58 pm |  | 71 °F | Partly cloudy. | 3 mph | ↑ | 96% | 30.00 "Hg | 10 mi |
| Weather by CustomWeather, © 2025 | ||||||||