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Monthly 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
21
+23
+18
21 July, sun
+23
+18
Feels like
+23
755 mmHg
76%
4.8
m/s
SW
+19
21 July, Sunday. day, 23°; night, 18°; rain
22
July
+26
+20
22 July, mon
+26
+20
Feels like
+23
761 mmHg
64%
5.8
m/s
S
+19
Climate normal
+22
+19
22 July, Monday. day, 26°; night, 20°; mostly clear
23
+23
+19
23 July, tue
+23
+19
Feels like
+22
762 mmHg
90%
2.8
m/s
SE
+20
Climate normal
+21
+19
23 July, Tuesday. day, 23°; night, 19°; thunderstorm with rain
24
+21
+18
24 July, wed
+21
+18
Feels like
+20
765 mmHg
92%
4
m/s
SE
+19
Climate normal
+21
+17
24 July, Wednesday. day, 21°; night, 18°; overcast
25
+23
+18
25 July, thu
+23
+18
Feels like
+21
760 mmHg
89%
3.6
m/s
S
+20
Climate normal
+21
+17
25 July, Thursday. day, 23°; night, 18°; light rain
26
+27
+16
26 July, fri
+27
+16
Feels like
+23
759 mmHg
55%
3.5
m/s
NW
+20
Climate normal
+22
+19
26 July, Friday. day, 27°; night, 16°; partly cloudy
27
+25
+17
27 July, sat
+25
+17
Feels like
+21
763 mmHg
55%
3.8
m/s
N
+21
Climate normal
+22
+19
27 July, Saturday. day, 25°; night, 17°; partly cloudy
28
+26
+17
28 July, sun
+26
+17
Feels like
+22
764 mmHg
63%
4.5
m/s
S
+21
Climate normal
+22
+19
28 July, Sunday. day, 26°; night, 17°; partly cloudy
29
+27
+18
29 July, mon
+27
+18
Feels like
+24
761 mmHg
62%
4.4
m/s
S
+21
Climate normal
+22
+19
29 July, Monday. day, 27°; night, 18°; partly cloudy
30
+27
+20
30 July, tue
+27
+20
Feels like
+23
758 mmHg
68%
5.2
m/s
S
+22
Climate normal
+22
+18
30 July, Tuesday. day, 27°; night, 20°; partly cloudy
31
+28
+19
31 July, wed
+28
+19
Feels like
+25
758 mmHg
74%
4.8
m/s
SW
+21
Climate normal
+22
+19
31 July, Wednesday. day, 28°; night, 19°; partly cloudy
1 August
+27
+18
1 August, thu
+27
+18
Feels like
+24
757 mmHg
71%
4.1
m/s
SE
Climate normal
+21
+19
1 August, Thursday. day, 27°; night, 18°; partly cloudy
2
+26
+18
2 August, fri
+26
+18
Feels like
+22
757 mmHg
71%
5.5
m/s
S
Climate normal
+22
+18
2 August, Friday. day, 26°; night, 18°; partly cloudy
3
+24
+20
3 August, sat
+24
+20
Feels like
+23
758 mmHg
79%
4.5
m/s
S
Climate normal
+22
+19
3 August, Saturday. day, 24°; night, 20°; mostly clear
4
+25
+20
4 August, sun
+25
+20
Feels like
+24
757 mmHg
83%
3.4
m/s
SE
Climate normal
+22
+19
4 August, Sunday. day, 25°; night, 20°; mostly clear
5
+26
+21
5 August, mon
+26
+21
Feels like
+26
756 mmHg
80%
3
m/s
NW
Climate normal
+22
+18
5 August, Monday. day, 26°; night, 21°; clear
6
+25
+22
6 August, tue
+25
+22
Feels like
+24
757 mmHg
90%
4.7
m/s
SE
Climate normal
+21
+18
6 August, Tuesday. day, 25°; night, 22°; rain
7
+26
+22
7 August, wed
+26
+22
Feels like
+25
756 mmHg
85%
5.2
m/s
SW
Climate normal
+21
+17
7 August, Wednesday. day, 26°; night, 22°; light rain
8
+26
+21
8 August, thu
+26
+21
Feels like
+25
756 mmHg
84%
4
m/s
SW
Climate normal
+21
+18
8 August, Thursday. day, 26°; night, 21°; light rain
9
+25
+21
9 August, fri
+25
+21
Feels like
+22
757 mmHg
74%
4.1
m/s
W
Climate normal
+21
+18
9 August, Friday. day, 25°; night, 21°; clear
10
+25
+22
10 August, sat
+25
+22
Feels like
+23
756 mmHg
70%
3.5
m/s
SW
Climate normal
+21
+19
10 August, Saturday. day, 25°; night, 22°; clear
11
+26
+23
11 August, sun
+26
+23
Feels like
+25
755 mmHg
71%
3
m/s
SW
Climate normal
+21
+18
11 August, Sunday. day, 26°; night, 23°; clear
12
+27
+23
12 August, mon
+27
+23
Feels like
+24
753 mmHg
68%
3.9
m/s
W
Climate normal
+21
+18
12 August, Monday. day, 27°; night, 23°; clear
13
+22
+17
13 August, tue
+22
+17
Feels like
+19
754 mmHg
69%
5.4
m/s
NE
Climate normal
+21
+18
13 August, Tuesday. day, 22°; night, 17°; mostly clear
14
+21
+17
14 August, wed
+21
+17
Feels like
+17
761 mmHg
61%
3.9
m/s
S
Climate normal
+21
+18
14 August, Wednesday. day, 21°; night, 17°; clear
15
+23
+20
15 August, thu
+23
+20
Feels like
+19
760 mmHg
70%
5
m/s
SW
Climate normal
+22
+19
15 August, Thursday. day, 23°; night, 20°; clear
16
+25
+21
16 August, fri
+25
+21
Feels like
+23
757 mmHg
71%
3.4
m/s
SW
Climate normal
+22
+19
16 August, Friday. day, 25°; night, 21°; clear
17
+27
+20
17 August, sat
+27
+20
Feels like
+24
757 mmHg
69%
3.5
m/s
S
Climate normal
+22
+19
17 August, Saturday. day, 27°; night, 20°; clear
18
+26
+23
18 August, sun
+26
+23
Feels like
+24
760 mmHg
75%
4.9
m/s
SE
Climate normal
+23
+19
18 August, Sunday. day, 26°; night, 23°; clear
19
+27
+23
19 August, mon
+27
+23
Feels like
+24
759 mmHg
80%
7.6
m/s
SW
Climate normal
+22
+19
19 August, Monday. day, 27°; night, 23°; light rain
20
+28
+24
20 August, tue
+28
+24
Feels like
+27
755 mmHg
82%
5.5
m/s
SW
Climate normal
+21
+18
20 August, Tuesday. day, 28°; night, 24°; light rain
Average data for 10 years
Next, the average data for 10 years
21
+22
+19
21 August, wed
+22
+19
Feels like
+22
757 mmHg
80%
5.8
m/s
S
+20
21 August, Wednesday. day, 22°; night, 19°; clear
22
+21
+19
22 August, thu
+21
+19
Feels like
+20
757 mmHg
76%
5.1
m/s
N
+19
22 August, Thursday. day, 21°; night, 19°; partly cloudy
23
+21
+18
23 August, fri
+21
+18
Feels like
+21
759 mmHg
75%
5.1
m/s
S
+19
23 August, Friday. day, 21°; night, 18°; clear
24
+21
+19
24 August, sat
+21
+19
Feels like
+21
758 mmHg
81%
5.3
m/s
SE
+19
24 August, Saturday. day, 21°; night, 19°; partly cloudy
Average for 30 days
17
sunny days
4
days with precipitation
9
cloudy days
17 sunny days; 4 days with precipitation; 9 cloudy days;
74
%
air humidity
4.4
m/s
Wind
S
14
mm of precipitation
(2% of annual average)
+20
°C
Water temperature
air humidity 74%; 14 millimeters of precipitation (2% of annual average); Wind southerly 4.4 Meters per second; Water temperature +20°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
S
SE
SE
S
NW
N
S
S
S
SW
SE
S
S
SE
NW
SE
SW
SW
W
SW
SW
W
NE
S
SW
SW
S
SE
SW
SW
22
Average data for 10 years
23
24
25
26
27
28
29
30
31
1
August
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Daytime temperature
Night-time temperature
