World Resorts USA Portland Weather

Portland weather in August

Weather in Portland: August

Average day temperature: 80.7°F
Average night temperature: 62.7°F
Number of sunny days: 21 days
Day length: 13.3 - 14.7 hours
Number of rainy days: 1 day
Precipitation totals: 0.3 in.

Air temperature in August, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
15
30
45
60
75
90
105
120
Day temperature   
Night temperature

The highest day temperature during August of 2024 was 91°F. At the same time the lowest night temperature was 50°F. Daily and nightly averages during August were 78.0°F and 59.6°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
67%
20%
13%

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total in August, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.9
1.8
2.7
3.5
4.4
5.3
6.2
7.1
3.9
3.3
2.9
1.8
2.0
2.0
3.8
3.1
3.9
5.2
3.9
3.3
2.9
1.8
2.0
2.0
3.8
3.1
3.9
5.2

Precipitation total value in Portland in August is 0.4 in. Other months of the year show relatively similar values.

Wind speed in August, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.0
2.0
3.0
4.1
5.1
6.1
7.1
5.4
5.2
4.7
4.1
4.6
4.8
4.6
5.1
5.4
5.8
5.9
5.4
5.2
4.7
4.1
4.3
4.6
4.8
4.6
5.1
5.4
5.8
5.9

The average wind speed value in August is 4.3 mph It makes August one of the least windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.1
4.3
6.4
8.6
10.7
12.8
15.0
2.0
2.6
5.6
8.3
12.5
9.7
7.1
5.5
3.6
2.8
2.9
2.0
2.6
5.6
8.3
10.6
12.5
9.7
7.1
5.5
3.6
2.8
2.9

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 10.6.

Best time for vacation in Portland

Sunniest months:
August 21 days
July 21 days
September 16 days
Warmest months:
August 80.7 °F
July 79.5 °F
September 73.2 °F
Coldest months:
December 44.1 °F
January 45.0 °F
February 46.3 °F
Rainiest months:
January 9 days
December 8 days
March 8 days
Windiest months:
February 5.9 mph
March 5.7 mph
January 5.7 mph

Portland on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+46°F
+54°F
+75°F
+75°F
+73°F
+79°F
+81°F
+50°F
+90°F
+75°F
+50°F
+88°F
+91°F
+54°F
+43°F
24 Hours Forecast
Portland
Local time: 10:58
April 06, sunday
1200
52°F
NE
1 mph
1500
54°F
N
4 mph
1800
54°F
E
2 mph
2100
54°F
NW
3 mph
April 07, monday
0000
50°F
N
1 mph
0300
48°F
N
3 mph
0600
48°F
NW
4 mph
0900
50°F
N
7 mph
Units of measurement: °C / °F