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August weather forecast in Portland
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
27
+22
+19
27 July, sun
+22
+19
Feels like
+23
754 mmHg
83%
5
m/s
S
+19
27 July, Sunday. day, 22°; night, 19°; clear
28
+22
+19
28 July, mon
+22
+19
Feels like
+23
754 mmHg
81%
4.8
m/s
S
+19
28 July, Monday. day, 22°; night, 19°; clear
29
+22
+19
29 July, tue
+22
+19
Feels like
+23
755 mmHg
79%
4.3
m/s
N
+19
29 July, Tuesday. day, 22°; night, 19°; rain
30
+22
+18
30 July, wed
+22
+18
Feels like
+22
756 mmHg
75%
4.9
m/s
SW
+19
30 July, Wednesday. day, 22°; night, 18°; partly cloudy
31
+22
+19
31 July, thu
+22
+19
Feels like
+22
756 mmHg
81%
4.5
m/s
S
+20
31 July, Thursday. day, 22°; night, 19°; partly cloudy
1
+21
+19
1 August, fri
+21
+19
Feels like
+21
756 mmHg
87%
4
m/s
SE
+19
1 August, Friday. day, 21°; night, 19°; rain
2
+22
+18
2 August, sat
+22
+18
Feels like
+22
755 mmHg
82%
4.1
m/s
S
+20
2 August, Saturday. day, 22°; night, 18°; partly cloudy
3
+22
+19
3 August, sun
+22
+19
Feels like
+22
755 mmHg
81%
5
m/s
S
+20
3 August, Sunday. day, 22°; night, 19°; clear
4
+22
+19
4 August, mon
+22
+19
Feels like
+23
755 mmHg
81%
4.6
m/s
SW
+20
4 August, Monday. day, 22°; night, 19°; clear
5
+22
+18
5 August, tue
+22
+18
Feels like
+21
755 mmHg
75%
5.5
m/s
SW
+20
5 August, Tuesday. day, 22°; night, 18°; partly cloudy
6
+21
+18
6 August, wed
+21
+18
Feels like
+20
755 mmHg
75%
5
m/s
SW
+20
6 August, Wednesday. day, 21°; night, 18°; partly cloudy
7
+21
+17
7 August, thu
+21
+17
Feels like
+21
755 mmHg
76%
4.9
m/s
SW
+20
7 August, Thursday. day, 21°; night, 17°; rain
8
+21
+18
8 August, fri
+21
+18
Feels like
+21
756 mmHg
79%
5.4
m/s
S
+19
8 August, Friday. day, 21°; night, 18°; rain
9
+21
+18
9 August, sat
+21
+18
Feels like
+22
756 mmHg
81%
5
m/s
S
+20
9 August, Saturday. day, 21°; night, 18°; partly cloudy
10
+21
+19
10 August, sun
+21
+19
Feels like
+21
756 mmHg
82%
5.3
m/s
S
+20
10 August, Sunday. day, 21°; night, 19°; clear
11
+21
+18
11 August, mon
+21
+18
Feels like
+21
756 mmHg
83%
4.5
m/s
SE
+20
11 August, Monday. day, 21°; night, 18°; overcast
12
+21
+18
12 August, tue
+21
+18
Feels like
+22
755 mmHg
81%
5.4
m/s
SE
+19
12 August, Tuesday. day, 21°; night, 18°; clear
13
+21
+18
13 August, wed
+21
+18
Feels like
+22
756 mmHg
79%
4.8
m/s
SW
+20
13 August, Wednesday. day, 21°; night, 18°; partly cloudy
14
+21
+18
14 August, thu
+21
+18
Feels like
+21
756 mmHg
80%
5.1
m/s
S
+20
14 August, Thursday. day, 21°; night, 18°; partly cloudy
15
+22
+19
15 August, fri
+22
+19
Feels like
+23
757 mmHg
79%
4.4
m/s
SW
+20
15 August, Friday. day, 22°; night, 19°; clear
16
+22
+19
16 August, sat
+22
+19
Feels like
+23
757 mmHg
77%
3.9
m/s
SW
+20
16 August, Saturday. day, 22°; night, 19°; rain
17
+22
+19
17 August, sun
+22
+19
Feels like
+23
755 mmHg
75%
5
m/s
SW
+20
17 August, Sunday. day, 22°; night, 19°; clear
18
+23
+19
18 August, mon
+23
+19
Feels like
+24
755 mmHg
77%
4.5
m/s
SW
+21
18 August, Monday. day, 23°; night, 19°; rain
19
+22
+19
19 August, tue
+22
+19
Feels like
+22
756 mmHg
75%
4.5
m/s
W
+20
19 August, Tuesday. day, 22°; night, 19°; clear
20
+21
+18
20 August, wed
+21
+18
Feels like
+22
757 mmHg
79%
4.5
m/s
S
+20
20 August, Wednesday. day, 21°; night, 18°; clear
21
+22
+19
21 August, thu
+22
+19
Feels like
+22
757 mmHg
80%
5.8
m/s
S
+20
21 August, Thursday. day, 22°; night, 19°; clear
22
+21
+19
22 August, fri
+21
+19
Feels like
+20
757 mmHg
76%
5.1
m/s
N
+19
22 August, Friday. day, 21°; night, 19°; partly cloudy
23
+21
+18
23 August, sat
+21
+18
Feels like
+21
759 mmHg
75%
5.1
m/s
S
+19
23 August, Saturday. day, 21°; night, 18°; clear
24
+21
+19
24 August, sun
+21
+19
Feels like
+21
758 mmHg
81%
5.3
m/s
SE
+19
24 August, Sunday. day, 21°; night, 19°; partly cloudy
25
+22
+19
25 August, mon
+22
+19
Feels like
+23
757 mmHg
79%
5
m/s
SW
+20
25 August, Monday. day, 22°; night, 19°; partly cloudy
26
+22
+18
26 August, tue
+22
+18
Feels like
+22
758 mmHg
73%
4.6
m/s
W
+20
26 August, Tuesday. day, 22°; night, 18°; clear
27
+21
+17
27 August, wed
+21
+17
Feels like
+20
757 mmHg
74%
5.5
m/s
SE
+19
27 August, Wednesday. day, 21°; night, 17°; partly cloudy
28
+20
+18
28 August, thu
+20
+18
Feels like
+19
758 mmHg
75%
6
m/s
NE
+19
28 August, Thursday. day, 20°; night, 18°; clear
29
+21
+17
29 August, fri
+21
+17
Feels like
+21
757 mmHg
73%
4.5
m/s
W
+20
29 August, Friday. day, 21°; night, 17°; clear
30
+22
+18
30 August, sat
+22
+18
Feels like
+22
756 mmHg
72%
4.5
m/s
SW
+20
30 August, Saturday. day, 22°; night, 18°; rain
31
+21
+18
31 August, sun
+21
+18
Feels like
+21
757 mmHg
74%
4.8
m/s
W
+20
31 August, Sunday. day, 21°; night, 18°; clear
1
+21
+18
1 September, mon
+21
+18
Feels like
+21
757 mmHg
75%
4.4
m/s
SW
+19
1 September, Monday. day, 21°; night, 18°; clear
2
+21
+18
2 September, tue
+21
+18
Feels like
+21
756 mmHg
80%
5
m/s
S
+19
2 September, Tuesday. day, 21°; night, 18°; rain
3
+21
+17
3 September, wed
+21
+17
Feels like
+20
756 mmHg
75%
5.5
m/s
SW
+19
3 September, Wednesday. day, 21°; night, 17°; clear
4
+21
+17
4 September, thu
+21
+17
Feels like
+20
757 mmHg
74%
6
m/s
S
+19
4 September, Thursday. day, 21°; night, 17°; clear
5
+20
+17
5 September, fri
+20
+17
Feels like
+18
759 mmHg
75%
6.5
m/s
SW
+18
5 September, Friday. day, 20°; night, 17°; partly cloudy
6
+20
+17
6 September, sat
+20
+17
Feels like
+19
757 mmHg
80%
5.3
m/s
S
+18
6 September, Saturday. day, 20°; night, 17°; clear
Average data for 10 years
Portland August
14
sunny days
6
days with precipitation
11
cloudy days
14 sunny days; 6 days with precipitation; 11 cloudy days;
76
%
air humidity
3
m/s
Wind
SW
66
mm of precipitation
(7% of annual average)
+20
°C
Water temperature
air humidity 76%; 66 millimeters of precipitation (7% of annual average); Wind south-westerly 3 Meters per second; Water temperature +20°
Weather graphs for August
Temperature
Water temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SE
S
S
SW
SW
SW
SW
S
S
S
SE
SE
SW
S
SW
SW
SW
SW
W
S
S
N
S
SE
SW
W
SE
NE
W
SW
W
1
Average data for 10 years
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Daytime temperature
Night-time temperature
Cities near you
Boston
Montreal
Colchester
Quebec
Laval
Anjou
Nantucket
Bangor
Berlin
Cities with similar weather in August
Lisbon
Vancouver
Porto
Santa Cruz de Tenerife
Seattle
Las Palmas de Gran Canaria
Playa de las Americas
Montreal
Port Louis