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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
July
+30
+14
21 July, sun
+30
+14
Feels like
+25
757 mmHg
55%
4.2
m/s
NW
Climate normal
+24
+17
21 July, Sunday. day, 30°; night, 14°; mostly clear
22
+26
+11
22 July, mon
+26
+11
Feels like
+20
758 mmHg
53%
4.7
m/s
NW
Climate normal
+23
+17
22 July, Monday. day, 26°; night, 11°; mostly clear
23
+29
+12
23 July, tue
+29
+12
Feels like
+22
758 mmHg
50%
3.9
m/s
N
Climate normal
+25
+17
23 July, Tuesday. day, 29°; night, 12°; mostly clear
24
+28
+12
24 July, wed
+28
+12
Feels like
+23
757 mmHg
50%
4.8
m/s
NW
Climate normal
+27
+19
24 July, Wednesday. day, 28°; night, 12°; mostly clear
25
+25
+12
25 July, thu
+25
+12
Feels like
+20
759 mmHg
50%
3.5
m/s
N
Climate normal
+27
+18
25 July, Thursday. day, 25°; night, 12°; partly cloudy
26
+27
+13
26 July, fri
+27
+13
Feels like
+21
754 mmHg
48%
3.4
m/s
NW
Climate normal
+26
+18
26 July, Friday. day, 27°; night, 13°; clear
27
+28
+14
27 July, sat
+28
+14
Feels like
+22
753 mmHg
52%
2.9
m/s
NW
Climate normal
+27
+19
27 July, Saturday. day, 28°; night, 14°; mostly clear
28
+28
+14
28 July, sun
+28
+14
Feels like
+23
753 mmHg
53%
2.7
m/s
NW
Climate normal
+29
+20
28 July, Sunday. day, 28°; night, 14°; mostly clear
29
+28
+15
29 July, mon
+28
+15
Feels like
+23
755 mmHg
55%
2.8
m/s
NW
Climate normal
+28
+19
29 July, Monday. day, 28°; night, 15°; partly cloudy
30
+25
+15
30 July, tue
+25
+15
Feels like
+21
756 mmHg
63%
2.9
m/s
W
Climate normal
+26
+18
30 July, Tuesday. day, 25°; night, 15°; overcast
31
+29
+16
31 July, wed
+29
+16
Feels like
+24
755 mmHg
59%
2.8
m/s
NW
Climate normal
+27
+19
31 July, Wednesday. day, 29°; night, 16°; clear
1 August
+28
+15
1 August, thu
+28
+15
Feels like
+24
754 mmHg
62%
3
m/s
NW
Climate normal
+26
+19
1 August, Thursday. day, 28°; night, 15°; partly cloudy
2
+26
+9
2 August, fri
+26
+9
Feels like
+19
748 mmHg
70%
3.2
m/s
SW
Climate normal
+27
+19
2 August, Friday. day, 26°; night, 9°; light rain
3
+27
+10
3 August, sat
+27
+10
Feels like
+19
722 mmHg
59%
4.6
m/s
NW
Climate normal
+28
+18
3 August, Saturday. day, 27°; night, 10°; clear
4
+26
+10
4 August, sun
+26
+10
Feels like
+17
721 mmHg
60%
4.7
m/s
NW
Climate normal
+28
+20
4 August, Sunday. day, 26°; night, 10°; mostly clear
5
+28
+9
5 August, mon
+28
+9
Feels like
+19
719 mmHg
49%
5.1
m/s
NW
Climate normal
+27
+18
5 August, Monday. day, 28°; night, 9°; clear
6
+29
+12
6 August, tue
+29
+12
Feels like
+20
718 mmHg
48%
4.4
m/s
NW
Climate normal
+26
+18
6 August, Tuesday. day, 29°; night, 12°; mostly clear
7
+30
+16
7 August, wed
+30
+16
Feels like
+23
719 mmHg
49%
4.5
m/s
NW
Climate normal
+24
+18
7 August, Wednesday. day, 30°; night, 16°; clear
8
+31
+15
8 August, thu
+31
+15
Feels like
+24
719 mmHg
56%
4.5
m/s
NW
Climate normal
+24
+18
8 August, Thursday. day, 31°; night, 15°; light rain
9
+30
+14
9 August, fri
+30
+14
Feels like
+23
720 mmHg
56%
5.2
m/s
NW
Climate normal
+25
+19
9 August, Friday. day, 30°; night, 14°; clear
10
+33
+16
10 August, sat
+33
+16
Feels like
+26
717 mmHg
49%
4.4
m/s
NW
Climate normal
+25
+19
10 August, Saturday. day, 33°; night, 16°; clear
11
+33
+16
11 August, sun
+33
+16
Feels like
+26
716 mmHg
56%
4.5
m/s
NW
Climate normal
+26
+19
11 August, Sunday. day, 33°; night, 16°; mostly clear
12
+32
+17
12 August, mon
+32
+17
Feels like
+25
715 mmHg
62%
3.1
m/s
NW
Climate normal
+26
+19
12 August, Monday. day, 32°; night, 17°; partly cloudy
13
+29
+13
13 August, tue
+29
+13
Feels like
+22
716 mmHg
64%
2.2
m/s
W
Climate normal
+26
+19
13 August, Tuesday. day, 29°; night, 13°; partly cloudy
14
+27
+12
14 August, wed
+27
+12
Feels like
+20
718 mmHg
61%
4.5
m/s
W
Climate normal
+27
+19
14 August, Wednesday. day, 27°; night, 12°; clear
15
+23
+8
15 August, thu
+23
+8
Feels like
+15
719 mmHg
79%
4.3
m/s
NW
Climate normal
+30
+21
15 August, Thursday. day, 23°; night, 8°; partly cloudy
16
+24
+7
16 August, fri
+24
+7
Feels like
+16
718 mmHg
67%
4.8
m/s
NW
Climate normal
+30
+20
16 August, Friday. day, 24°; night, 7°; clear
17
+24
+8
17 August, sat
+24
+8
Feels like
+16
717 mmHg
66%
4.2
m/s
N
Climate normal
+28
+20
17 August, Saturday. day, 24°; night, 8°; clear
18
+27
+9
18 August, sun
+27
+9
Feels like
+23
718 mmHg
88%
4.4
m/s
NW
Climate normal
+27
+18
18 August, Sunday. day, 27°; night, 9°; mostly clear
19
+25
+14
19 August, mon
+25
+14
Feels like
+21
719 mmHg
95%
4.7
m/s
NW
Climate normal
+26
+18
19 August, Monday. day, 25°; night, 14°; clear
Average data for 10 years
Next, the average data for 10 years
20
+26
+18
20 August, tue
+26
+18
Feels like
+27
756 mmHg
60%
4.5
m/s
NW
20 August, Tuesday. day, 26°; night, 18°; clear
21
+25
+17
21 August, wed
+25
+17
Feels like
+25
757 mmHg
62%
4.6
m/s
NW
21 August, Wednesday. day, 25°; night, 17°; clear
22
+25
+18
22 August, thu
+25
+18
Feels like
+26
758 mmHg
58%
4.3
m/s
N
22 August, Thursday. day, 25°; night, 18°; clear
23
+27
+18
23 August, fri
+27
+18
Feels like
+27
757 mmHg
51%
4.4
m/s
N
23 August, Friday. day, 27°; night, 18°; clear
24
+27
+19
24 August, sat
+27
+19
Feels like
+27
757 mmHg
56%
4.6
m/s
NW
24 August, Saturday. day, 27°; night, 19°; clear
Average for 30 days
22
sunny days
1
day with precipitation
7
cloudy days
22 sunny days; 1 day with precipitation; 7 cloudy days;
59
%
air humidity
4
m/s
Wind
NW
0.3
mm of precipitation
(1% of annual average)
air humidity 59%; 0.3 millimeters of precipitation (1% of annual average); Wind north-westerly 4 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NW
NW
N
NW
N
NW
NW
NW
NW
W
NW
NW
SW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
W
W
NW
NW
N
NW
NW
21
Average data for 10 years
22
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
Daytime temperature
Night-time temperature
