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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
28
+22
+19
28 July, Sunday. day, 22°; night, 19°; clear
29
+22
+19
29 July, Monday. day, 22°; night, 19°; rain
30
+22
+18
30 July, Tuesday. day, 22°; night, 18°; partly cloudy
31
+22
+19
31 July, Wednesday. day, 22°; night, 19°; partly cloudy
1
+21
+19
1 August, Thursday. day, 21°; night, 19°; rain
2
+22
+18
2 August, Friday. day, 22°; night, 18°; partly cloudy
3
+22
+19
3 August, Saturday. day, 22°; night, 19°; clear
4
+22
+19
4 August, Sunday. day, 22°; night, 19°; clear
5
+22
+18
5 August, Monday. day, 22°; night, 18°; partly cloudy
6
+21
+18
6 August, Tuesday. day, 21°; night, 18°; partly cloudy
7
+21
+17
7 August, Wednesday. day, 21°; night, 17°; rain
8
+21
+18
8 August, Thursday. day, 21°; night, 18°; rain
9
+21
+18
9 August, Friday. day, 21°; night, 18°; partly cloudy
10
+21
+19
10 August, Saturday. day, 21°; night, 19°; clear
11
+21
+18
11 August, Sunday. day, 21°; night, 18°; overcast
12
+21
+18
12 August, Monday. day, 21°; night, 18°; clear
13
+21
+18
13 August, Tuesday. day, 21°; night, 18°; partly cloudy
14
+21
+18
14 August, Wednesday. day, 21°; night, 18°; partly cloudy
15
+22
+19
15 August, Thursday. day, 22°; night, 19°; clear
16
+22
+19
16 August, Friday. day, 22°; night, 19°; rain
17
+22
+19
17 August, Saturday. day, 22°; night, 19°; clear
18
+23
+19
18 August, Sunday. day, 23°; night, 19°; rain
19
+22
+19
19 August, Monday. day, 22°; night, 19°; clear
20
+21
+18
20 August, Tuesday. day, 21°; night, 18°; clear
21
+22
+19
21 August, Wednesday. day, 22°; night, 19°; clear
22
+21
+19
22 August, Thursday. day, 21°; night, 19°; partly cloudy
23
+21
+18
23 August, Friday. day, 21°; night, 18°; clear
24
+21
+19
24 August, Saturday. day, 21°; night, 19°; partly cloudy
25
+22
+19
25 August, Sunday. day, 22°; night, 19°; partly cloudy
26
+22
+18
26 August, Monday. day, 22°; night, 18°; clear
27
+21
+17
27 August, Tuesday. day, 21°; night, 17°; partly cloudy
28
+20
+18
28 August, Wednesday. day, 20°; night, 18°; clear
29
+21
+17
29 August, Thursday. day, 21°; night, 17°; clear
30
+22
+18
30 August, Friday. day, 22°; night, 18°; rain
31
+21
+18
31 August, Saturday. day, 21°; night, 18°; 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
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Quebec
Hartford
Colchester
Nantucket
Anjou
Lake George
Queensbury
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