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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
22
+20
+15
22 September, sun
+20
+15
Feels like
+20
758 mmHg
67%
3.7
m/s
SE
22 September, Sunday. day, 20°; night, 15°; rain
23
+20
+16
23 September, mon
+20
+16
Feels like
+20
758 mmHg
68%
4.1
m/s
S
23 September, Monday. day, 20°; night, 16°; rain
24
+20
+16
24 September, tue
+20
+16
Feels like
+19
758 mmHg
64%
4
m/s
SW
24 September, Tuesday. day, 20°; night, 16°; partly cloudy
25
September
+18
+12
25 September, wed
+18
+12
Feels like
+15
749 mmHg
84%
3.5
m/s
SW
Climate normal
+21
+15
25 September, Wednesday. day, 18°; night, 12°; rain
26
+22
+15
26 September, thu
+22
+15
Feels like
+17
755 mmHg
66%
2.3
m/s
S
Climate normal
+23
+16
26 September, Thursday. day, 22°; night, 15°; light rain
27
+22
+11
27 September, fri
+22
+11
Feels like
+16
757 mmHg
65%
3.6
m/s
N
Climate normal
+23
+16
27 September, Friday. day, 22°; night, 11°; light rain
28
+23
+9
28 September, sat
+23
+9
Feels like
+16
753 mmHg
61%
3.5
m/s
NW
Climate normal
+21
+15
28 September, Saturday. day, 23°; night, 9°; partly cloudy
29
+19
+9
29 September, sun
+19
+9
Feels like
+12
762 mmHg
52%
3
m/s
N
Climate normal
+20
+15
29 September, Sunday. day, 19°; night, 9°; partly cloudy
30
+26
+11
30 September, mon
+26
+11
Feels like
+16
757 mmHg
41%
4
m/s
NE
Climate normal
+19
+14
30 September, Monday. day, 26°; night, 11°; clear
1 October
+24
+11
1 October, tue
+24
+11
Feels like
+17
757 mmHg
52%
3.2
m/s
NE
Climate normal
+18
+14
1 October, Tuesday. day, 24°; night, 11°; mostly clear
2
+19
+9
2 October, wed
+19
+9
Feels like
+12
757 mmHg
57%
3
m/s
NW
Climate normal
+18
+13
2 October, Wednesday. day, 19°; night, 9°; overcast
3
+20
+10
3 October, thu
+20
+10
Feels like
+13
751 mmHg
62%
3.3
m/s
N
Climate normal
+19
+14
3 October, Thursday. day, 20°; night, 10°; clear
4
+18
+10
4 October, fri
+18
+10
Feels like
+12
753 mmHg
67%
4
m/s
SW
Climate normal
+20
+15
4 October, Friday. day, 18°; night, 10°; partly cloudy
5
+20
+11
5 October, sat
+20
+11
Feels like
+15
756 mmHg
70%
3.4
m/s
NW
Climate normal
+20
+15
5 October, Saturday. day, 20°; night, 11°; partly cloudy
6
+21
+13
6 October, sun
+21
+13
Feels like
+15
757 mmHg
68%
2.8
m/s
S
Climate normal
+18
+14
6 October, Sunday. day, 21°; night, 13°; partly cloudy
7
+14
+10
7 October, mon
+14
+10
Feels like
+9
716 mmHg
86%
6.4
m/s
S
Climate normal
+19
+14
7 October, Monday. day, 14°; night, 10°; rain
8
+13
+1
8 October, tue
+13
+1
Feels like
+5
721 mmHg
69%
3.1
m/s
NW
Climate normal
+18
+14
8 October, Tuesday. day, 13°; night, 1°; light rain
9
+12
+10
9 October, wed
+12
+10
Feels like
+4
718 mmHg
66%
7.1
m/s
S
Climate normal
+16
+12
9 October, Wednesday. day, 12°; night, 10°; light rain
10
+11
+5
10 October, thu
+11
+5
Feels like
+3
715 mmHg
97%
5.9
m/s
SW
Climate normal
+15
+11
10 October, Thursday. day, 11°; night, 5°; rain
11
+6
+3
11 October, fri
+6
+3
Feels like
+1
718 mmHg
100%
3.4
m/s
SW
Climate normal
+16
+12
11 October, Friday. day, 6°; night, 3°; rain
12
+8
+11
12 October, sat
+8
+11
Feels like
−3
718 mmHg
100%
9.2
m/s
S
Climate normal
+16
+12
12 October, Saturday. day, 8°; night, 11°; rain
13
+13
+2
13 October, sun
+13
+2
Feels like
+5
719 mmHg
98%
8.8
m/s
W
Climate normal
+16
+13
13 October, Sunday. day, 13°; night, 2°; rain
14
+9
+2
14 October, mon
+9
+2
Feels like
+1
726 mmHg
72%
4.2
m/s
N
Climate normal
+17
+13
14 October, Monday. day, 9°; night, 2°; mostly clear
15
+14
+5
15 October, tue
+14
+5
Feels like
+5
723 mmHg
66%
3.5
m/s
NE
Climate normal
+17
+14
15 October, Tuesday. day, 14°; night, 5°; clear
16
+18
+8
16 October, wed
+18
+8
Feels like
+11
721 mmHg
62%
2.8
m/s
E
Climate normal
+16
+13
16 October, Wednesday. day, 18°; night, 8°; clear
17
+20
+8
17 October, thu
+20
+8
Feels like
+12
718 mmHg
67%
2.2
m/s
NW
Climate normal
+18
+14
17 October, Thursday. day, 20°; night, 8°; clear
18
+20
+11
18 October, fri
+20
+11
Feels like
+14
716 mmHg
67%
3
m/s
E
Climate normal
+17
+13
18 October, Friday. day, 20°; night, 11°; clear
19
+19
+10
19 October, sat
+19
+10
Feels like
+14
713 mmHg
65%
2.4
m/s
NW
Climate normal
+16
+12
19 October, Saturday. day, 19°; night, 10°; partly cloudy
20
+12
+10
20 October, sun
+12
+10
Feels like
+8
716 mmHg
93%
4.9
m/s
S
Climate normal
+15
+13
20 October, Sunday. day, 12°; night, 10°; light rain
21
+12
+10
21 October, mon
+12
+10
Feels like
+8
720 mmHg
97%
4
m/s
SW
Climate normal
+15
+12
21 October, Monday. day, 12°; night, 10°; rain
22
+14
+8
22 October, tue
+14
+8
Feels like
+10
723 mmHg
88%
2.4
m/s
NW
Climate normal
+15
+11
22 October, Tuesday. day, 14°; night, 8°; light rain
23
+16
+10
23 October, wed
+16
+10
Feels like
+9
718 mmHg
71%
3.4
m/s
E
Climate normal
+15
+11
23 October, Wednesday. day, 16°; night, 10°; mostly clear
24
+11
+5
24 October, thu
+11
+5
Feels like
+6
721 mmHg
86%
3.5
m/s
W
Climate normal
+13
+10
24 October, Thursday. day, 11°; night, 5°; rain
Average data for 10 years
Next, the average data for 10 years
25
+14
+10
25 October, fri
+14
+10
Feels like
+11
761 mmHg
75%
5.6
m/s
SW
25 October, Friday. day, 14°; night, 10°; partly cloudy
26
+15
+12
26 October, sat
+15
+12
Feels like
+12
760 mmHg
68%
5.5
m/s
E
26 October, Saturday. day, 15°; night, 12°; partly cloudy
Average for 30 days
11
sunny days
12
days with precipitation
7
cloudy days
11 sunny days; 12 days with precipitation; 7 cloudy days;
73
%
air humidity
4
m/s
Wind
NW
30
mm of precipitation
(4% of annual average)
air humidity 73%; 30 millimeters of precipitation (4% of annual average); Wind north-westerly 4 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SW
S
N
NW
N
NE
NE
NW
N
SW
NW
S
S
NW
S
SW
SW
S
W
N
NE
E
NW
E
NW
S
SW
NW
E
W
25
Average data for 10 years
26
27
28
29
30
1
October
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Daytime temperature
Night-time temperature
