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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
28
+29
+20
28 July, sun
+29
+20
Feels like
+30
758 mmHg
55%
4.4
m/s
NW
28 July, Sunday. day, 29°; night, 20°; clear
29
+28
+19
29 July, mon
+28
+19
Feels like
+29
758 mmHg
60%
4.3
m/s
NW
29 July, Monday. day, 28°; night, 19°; clear
30
+26
+18
30 July, tue
+26
+18
Feels like
+27
759 mmHg
61%
4.6
m/s
NW
30 July, Tuesday. day, 26°; night, 18°; clear
31
+27
+19
31 July, wed
+27
+19
Feels like
+29
758 mmHg
57%
4.4
m/s
NW
31 July, Wednesday. day, 27°; night, 19°; clear
1
August
+37
+20
1 August, thu
+37
+20
Feels like
+34
754 mmHg
53%
2.7
m/s
NW
Climate normal
+26
+19
1 August, Thursday. day, 37°; night, 20°; clear
2
+33
+17
2 August, fri
+33
+17
Feels like
+29
757 mmHg
55%
2.9
m/s
S
Climate normal
+27
+19
2 August, Friday. day, 33°; night, 17°; clear
3
+32
+16
3 August, sat
+32
+16
Feels like
+27
755 mmHg
52%
2.8
m/s
N
Climate normal
+28
+18
3 August, Saturday. day, 32°; night, 16°; clear
4
+33
+17
4 August, sun
+33
+17
Feels like
+31
753 mmHg
51%
2.5
m/s
NW
Climate normal
+28
+20
4 August, Sunday. day, 33°; night, 17°; clear
5
+32
+15
5 August, mon
+32
+15
Feels like
+26
753 mmHg
56%
2.5
m/s
NW
Climate normal
+27
+18
5 August, Monday. day, 32°; night, 15°; partly cloudy
6
+29
+13
6 August, tue
+29
+13
Feels like
+24
756 mmHg
53%
2.4
m/s
NW
Climate normal
+26
+18
6 August, Tuesday. day, 29°; night, 13°; mostly clear
7
+30
+16
7 August, wed
+30
+16
Feels like
+25
756 mmHg
52%
2.7
m/s
NW
Climate normal
+24
+18
7 August, Wednesday. day, 30°; night, 16°; clear
8
+32
+18
8 August, thu
+32
+18
Feels like
+27
753 mmHg
52%
2.4
m/s
NW
Climate normal
+24
+18
8 August, Thursday. day, 32°; night, 18°; clear
9
+34
+18
9 August, fri
+34
+18
Feels like
+28
753 mmHg
48%
2.3
m/s
W
Climate normal
+25
+19
9 August, Friday. day, 34°; night, 18°; partly cloudy
10
+33
+18
10 August, sat
+33
+18
Feels like
+28
754 mmHg
49%
2.6
m/s
SW
Climate normal
+25
+19
10 August, Saturday. day, 33°; night, 18°; mostly clear
11
+30
+16
11 August, sun
+30
+16
Feels like
+26
754 mmHg
56%
2.9
m/s
W
Climate normal
+26
+19
11 August, Sunday. day, 30°; night, 16°; partly cloudy
12
+28
+18
12 August, mon
+28
+18
Feels like
+23
754 mmHg
64%
2.9
m/s
SW
Climate normal
+26
+19
12 August, Monday. day, 28°; night, 18°; partly cloudy
13
+23
+11
13 August, tue
+23
+11
Feels like
+17
716 mmHg
79%
3
m/s
NW
Climate normal
+26
+19
13 August, Tuesday. day, 23°; night, 11°; partly cloudy
14
+25
+15
14 August, wed
+25
+15
Feels like
+20
715 mmHg
68%
3.4
m/s
W
Climate normal
+27
+19
14 August, Wednesday. day, 25°; night, 15°; light rain
15
+22
+15
15 August, thu
+22
+15
Feels like
+18
716 mmHg
85%
3
m/s
W
Climate normal
+30
+21
15 August, Thursday. day, 22°; night, 15°; rain
16
+21
+12
16 August, fri
+21
+12
Feels like
+18
718 mmHg
84%
2.8
m/s
W
Climate normal
+30
+20
16 August, Friday. day, 21°; night, 12°; light rain
17
+24
+12
17 August, sat
+24
+12
Feels like
+18
718 mmHg
72%
2.5
m/s
NW
Climate normal
+28
+20
17 August, Saturday. day, 24°; night, 12°; mostly clear
18
+26
+13
18 August, sun
+26
+13
Feels like
+21
718 mmHg
69%
3
m/s
W
Climate normal
+27
+18
18 August, Sunday. day, 26°; night, 13°; clear
19
+20
+14
19 August, mon
+20
+14
Feels like
+16
719 mmHg
82%
3.2
m/s
W
Climate normal
+26
+18
19 August, Monday. day, 20°; night, 14°; light rain
20
+19
+9
20 August, tue
+19
+9
Feels like
+14
720 mmHg
79%
2.2
m/s
NW
Climate normal
+26
+18
20 August, Tuesday. day, 19°; night, 9°; partly cloudy
21
+23
+14
21 August, wed
+23
+14
Feels like
+19
719 mmHg
62%
2.3
m/s
NW
Climate normal
+25
+17
21 August, Wednesday. day, 23°; night, 14°; partly cloudy
22
+21
+10
22 August, thu
+21
+10
Feels like
+18
718 mmHg
76%
2.3
m/s
W
Climate normal
+25
+18
22 August, Thursday. day, 21°; night, 10°; light rain
23
+22
+7
23 August, fri
+22
+7
Feels like
+17
718 mmHg
71%
3.2
m/s
W
Climate normal
+27
+18
23 August, Friday. day, 22°; night, 7°; light rain
24
+22
+9
24 August, sat
+22
+9
Feels like
+17
719 mmHg
71%
2.6
m/s
NW
Climate normal
+27
+19
24 August, Saturday. day, 22°; night, 9°; light rain
25
+23
+14
25 August, sun
+23
+14
Feels like
+21
719 mmHg
77%
2
m/s
SW
Climate normal
+27
+20
25 August, Sunday. day, 23°; night, 14°; light rain
26
+22
+9
26 August, mon
+22
+9
Feels like
+15
721 mmHg
77%
3.6
m/s
W
Climate normal
+28
+20
26 August, Monday. day, 22°; night, 9°; mostly clear
27
+23
+9
27 August, tue
+23
+9
Feels like
+16
720 mmHg
61%
3
m/s
NW
Climate normal
+24
+18
27 August, Tuesday. day, 23°; night, 9°; clear
28
+25
+13
28 August, wed
+25
+13
Feels like
+19
718 mmHg
51%
3.7
m/s
N
Climate normal
+23
+17
28 August, Wednesday. day, 25°; night, 13°; clear
29
+29
+15
29 August, thu
+29
+15
Feels like
+21
717 mmHg
48%
3.2
m/s
NE
Climate normal
+24
+16
29 August, Thursday. day, 29°; night, 15°; clear
30
+31
+13
30 August, fri
+31
+13
Feels like
+23
719 mmHg
53%
3.1
m/s
NW
Climate normal
+22
+17
30 August, Friday. day, 31°; night, 13°; clear
Average data for 10 years
Next, the average data for 10 years
31
+23
+17
31 August, sat
+23
+17
Feels like
+24
757 mmHg
67%
4.1
m/s
NW
31 August, Saturday. day, 23°; night, 17°; clear
Average for 30 days
19
sunny days
4
days with precipitation
7
cloudy days
19 sunny days; 4 days with precipitation; 7 cloudy days;
64
%
air humidity
2.8
m/s
Wind
NW
4
mm of precipitation
(1% of annual average)
air humidity 64%; 4 millimeters of precipitation (1% of annual average); Wind north-westerly 2.8 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NW
S
N
NW
NW
NW
NW
NW
W
SW
W
SW
NW
W
W
W
NW
W
W
NW
NW
W
W
NW
SW
W
NW
N
NE
NW
1
August
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
Daytime temperature
Night-time temperature
