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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
+21
+15
25 September, wed
+21
+15
Feels like
+20
760 mmHg
68%
4.4
m/s
W
25 September, Wednesday. day, 21°; night, 15°; partly cloudy
26
+23
+16
26 September, thu
+23
+16
Feels like
+22
759 mmHg
64%
5.5
m/s
N
26 September, Thursday. day, 23°; night, 16°; partly cloudy
27
+23
+16
27 September, fri
+23
+16
Feels like
+22
757 mmHg
62%
5
m/s
N
27 September, Friday. day, 23°; night, 16°; clear
28
September
+23
+8
28 September, sat
+23
+8
Feels like
+16
752 mmHg
63%
2.9
m/s
SW
Climate normal
+21
+15
28 September, Saturday. day, 23°; night, 8°; partly cloudy
29
+19
+7
29 September, sun
+19
+7
Feels like
+13
762 mmHg
61%
2.8
m/s
N
Climate normal
+20
+15
29 September, Sunday. day, 19°; night, 7°; partly cloudy
30
+24
+9
30 September, mon
+24
+9
Feels like
+14
761 mmHg
50%
4.5
m/s
N
Climate normal
+19
+14
30 September, Monday. day, 24°; night, 9°; mostly clear
1 October
+25
+12
1 October, tue
+25
+12
Feels like
+15
759 mmHg
58%
2.1
m/s
N
Climate normal
+18
+14
1 October, Tuesday. day, 25°; night, 12°; mostly clear
2
+20
+8
2 October, wed
+20
+8
Feels like
+13
760 mmHg
57%
3
m/s
N
Climate normal
+18
+13
2 October, Wednesday. day, 20°; night, 8°; partly cloudy
3
+22
+12
3 October, thu
+22
+12
Feels like
+14
755 mmHg
50%
3.1
m/s
NE
Climate normal
+19
+14
3 October, Thursday. day, 22°; night, 12°; clear
4
+18
+11
4 October, fri
+18
+11
Feels like
+13
752 mmHg
59%
3.8
m/s
S
Climate normal
+20
+15
4 October, Friday. day, 18°; night, 11°; light rain
5
+20
+10
5 October, sat
+20
+10
Feels like
+14
758 mmHg
68%
3.2
m/s
S
Climate normal
+20
+15
5 October, Saturday. day, 20°; night, 10°; partly cloudy
6
+21
+11
6 October, sun
+21
+11
Feels like
+16
757 mmHg
73%
2.7
m/s
SE
Climate normal
+18
+14
6 October, Sunday. day, 21°; night, 11°; partly cloudy
7
+22
+11
7 October, mon
+22
+11
Feels like
+15
756 mmHg
65%
2.5
m/s
NE
Climate normal
+19
+14
7 October, Monday. day, 22°; night, 11°; mostly clear
8
+21
+11
8 October, tue
+21
+11
Feels like
+15
754 mmHg
73%
3.1
m/s
N
Climate normal
+18
+14
8 October, Tuesday. day, 21°; night, 11°; partly cloudy
9
+20
+12
9 October, wed
+20
+12
Feels like
+15
755 mmHg
67%
3.1
m/s
SW
Climate normal
+16
+12
9 October, Wednesday. day, 20°; night, 12°; partly cloudy
10
+12
+6
10 October, thu
+12
+6
Feels like
+7
731 mmHg
76%
3.1
m/s
SW
Climate normal
+15
+11
10 October, Thursday. day, 12°; night, 6°; light rain
11
+8
+5
11 October, fri
+8
+5
Feels like
+3
717 mmHg
97%
5.2
m/s
SW
Climate normal
+16
+12
11 October, Friday. day, 8°; night, 5°; rain
12
+9
+6
12 October, sat
+9
+6
Feels like
+3
721 mmHg
95%
4.5
m/s
S
Climate normal
+16
+12
12 October, Saturday. day, 9°; night, 6°; light rain
13
+8
+5
13 October, sun
+8
+5
Feels like
+4
718 mmHg
98%
5.6
m/s
SW
Climate normal
+16
+13
13 October, Sunday. day, 8°; night, 5°; rain
14
+11
+4
14 October, mon
+11
+4
Feels like
+5
726 mmHg
81%
3.1
m/s
NE
Climate normal
+17
+13
14 October, Monday. day, 11°; night, 4°; mostly clear
15
+11
+2
15 October, tue
+11
+2
Feels like
+2
726 mmHg
65%
4.8
m/s
E
Climate normal
+17
+14
15 October, Tuesday. day, 11°; night, 2°; mostly clear
16
+13
+3
16 October, wed
+13
+3
Feels like
+4
725 mmHg
57%
4.6
m/s
E
Climate normal
+16
+13
16 October, Wednesday. day, 13°; night, 3°; clear
17
+16
+5
17 October, thu
+16
+5
Feels like
+7
721 mmHg
53%
3.8
m/s
E
Climate normal
+18
+14
17 October, Thursday. day, 16°; night, 5°; clear
18
+18
+8
18 October, fri
+18
+8
Feels like
+10
719 mmHg
55%
2.5
m/s
E
Climate normal
+17
+13
18 October, Friday. day, 18°; night, 8°; clear
19
+20
+9
19 October, sat
+20
+9
Feels like
+13
718 mmHg
64%
2.6
m/s
E
Climate normal
+16
+12
19 October, Saturday. day, 20°; night, 9°; clear
20
+20
+6
20 October, sun
+20
+6
Feels like
+12
720 mmHg
67%
2.2
m/s
E
Climate normal
+15
+13
20 October, Sunday. day, 20°; night, 6°; clear
21
+19
+6
21 October, mon
+19
+6
Feels like
+13
724 mmHg
68%
2
m/s
NW
Climate normal
+15
+12
21 October, Monday. day, 19°; night, 6°; clear
22
+19
+8
22 October, tue
+19
+8
Feels like
+13
723 mmHg
69%
2.5
m/s
E
Climate normal
+15
+11
22 October, Tuesday. day, 19°; night, 8°; clear
23
+19
+6
23 October, wed
+19
+6
Feels like
+11
720 mmHg
68%
1.6
m/s
E
Climate normal
+15
+11
23 October, Wednesday. day, 19°; night, 6°; partly cloudy
24
+17
+10
24 October, thu
+17
+10
Feels like
+12
721 mmHg
63%
2.3
m/s
SW
Climate normal
+13
+10
24 October, Thursday. day, 17°; night, 10°; mostly clear
25
+14
+9
25 October, fri
+14
+9
Feels like
+9
723 mmHg
94%
3.4
m/s
SW
Climate normal
+14
+10
25 October, Friday. day, 14°; night, 9°; light rain
26
+12
+13
26 October, sat
+12
+13
Feels like
+9
721 mmHg
90%
4.6
m/s
S
Climate normal
+15
+12
26 October, Saturday. day, 12°; night, 13°; rain
Average for 30 days
14
sunny days
7
days with precipitation
9
cloudy days
14 sunny days; 7 days with precipitation; 9 cloudy days;
70
%
air humidity
3.2
m/s
Wind
E
13
mm of precipitation
(2% of annual average)
air humidity 70%; 13 millimeters of precipitation (2% of annual average); Wind easterly 3.2 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SW
N
N
N
N
NE
S
S
SE
NE
N
SW
SW
SW
S
SW
NE
E
E
E
E
E
E
NW
E
E
SW
SW
S
SW
28
Average data for 10 years
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
25
26
27
Daytime temperature
Night-time temperature
