10 day forecast
Monthly forecast
Weather map
City or area
Find
Sign up
Log in
Go to comparison
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
1 September
+24
+17
1 September, sun
+24
+17
Feels like
+25
758 mmHg
63%
4.1
m/s
N
1 September, Sunday. day, 24°; night, 17°; partly cloudy
2
+24
+18
2 September, mon
+24
+18
Feels like
+24
758 mmHg
55%
4.5
m/s
N
2 September, Monday. day, 24°; night, 18°; clear
3
September
+26
+13
3 September, tue
+26
+13
Feels like
+20
758 mmHg
64%
3.1
m/s
N
Climate normal
+24
+18
3 September, Tuesday. day, 26°; night, 13°; light rain
4
+34
+16
4 September, wed
+34
+16
Feels like
+27
756 mmHg
57%
3.5
m/s
N
Climate normal
+24
+17
4 September, Wednesday. day, 34°; night, 16°; clear
5
+38
+17
5 September, thu
+38
+17
Feels like
+31
755 mmHg
43%
2.8
m/s
N
Climate normal
+24
+18
5 September, Thursday. day, 38°; night, 17°; mostly clear
6
+37
+19
6 September, fri
+37
+19
Feels like
+31
753 mmHg
49%
2.6
m/s
NW
Climate normal
+24
+18
6 September, Friday. day, 37°; night, 19°; clear
7
+33
+18
7 September, sat
+33
+18
Feels like
+30
751 mmHg
55%
2.9
m/s
NW
Climate normal
+25
+19
7 September, Saturday. day, 33°; night, 18°; partly cloudy
8
+29
+17
8 September, sun
+29
+17
Feels like
+25
750 mmHg
59%
3
m/s
SW
Climate normal
+25
+17
8 September, Sunday. day, 29°; night, 17°; partly cloudy
9
+25
+15
9 September, mon
+25
+15
Feels like
+22
750 mmHg
75%
3.2
m/s
SW
Climate normal
+26
+18
9 September, Monday. day, 25°; night, 15°; overcast
10
+22
+15
10 September, tue
+22
+15
Feels like
+20
752 mmHg
77%
3.2
m/s
SW
Climate normal
+29
+19
10 September, Tuesday. day, 22°; night, 15°; overcast
11
+23
+14
11 September, wed
+23
+14
Feels like
+20
753 mmHg
75%
2.8
m/s
SW
Climate normal
+26
+17
11 September, Wednesday. day, 23°; night, 14°; light rain
12
+24
+13
12 September, thu
+24
+13
Feels like
+19
754 mmHg
70%
3.3
m/s
SW
Climate normal
+24
+16
12 September, Thursday. day, 24°; night, 13°; light rain
13
+25
+13
13 September, fri
+25
+13
Feels like
+20
756 mmHg
62%
2.9
m/s
W
Climate normal
+24
+18
13 September, Friday. day, 25°; night, 13°; partly cloudy
14
+26
+14
14 September, sat
+26
+14
Feels like
+20
754 mmHg
64%
3.3
m/s
N
Climate normal
+24
+18
14 September, Saturday. day, 26°; night, 14°; partly cloudy
15
+24
+4
15 September, sun
+24
+4
Feels like
+15
746 mmHg
77%
2.9
m/s
SW
Climate normal
+23
+17
15 September, Sunday. day, 24°; night, 4°; partly cloudy
16
+20
+8
16 September, mon
+20
+8
Feels like
+12
717 mmHg
58%
3.8
m/s
NE
Climate normal
+21
+17
16 September, Monday. day, 20°; night, 8°; partly cloudy
17
+18
+12
17 September, tue
+18
+12
Feels like
+14
717 mmHg
63%
2.7
m/s
SW
Climate normal
+22
+17
17 September, Tuesday. day, 18°; night, 12°; light rain
18
+16
+11
18 September, wed
+16
+11
Feels like
+13
718 mmHg
95%
3
m/s
SW
Climate normal
+22
+16
18 September, Wednesday. day, 16°; night, 11°; light rain
19
+23
+9
19 September, thu
+23
+9
Feels like
+16
719 mmHg
69%
3.5
m/s
W
Climate normal
+21
+17
19 September, Thursday. day, 23°; night, 9°; partly cloudy
20
+23
+12
20 September, fri
+23
+12
Feels like
+15
720 mmHg
65%
4.2
m/s
NW
Climate normal
+21
+15
20 September, Friday. day, 23°; night, 12°; mostly clear
21
+24
+12
21 September, sat
+24
+12
Feels like
+14
718 mmHg
53%
4.6
m/s
NE
Climate normal
+21
+16
21 September, Saturday. day, 24°; night, 12°; clear
22
+30
+16
22 September, sun
+30
+16
Feels like
+21
719 mmHg
43%
3.3
m/s
E
Climate normal
+20
+15
22 September, Sunday. day, 30°; night, 16°; clear
23
+28
+10
23 September, mon
+28
+10
Feels like
+21
717 mmHg
50%
4
m/s
SW
Climate normal
+20
+16
23 September, Monday. day, 28°; night, 10°; mostly clear
24
+24
+9
24 September, tue
+24
+9
Feels like
+15
717 mmHg
62%
4
m/s
W
Climate normal
+20
+16
24 September, Tuesday. day, 24°; night, 9°; partly cloudy
25
+22
+11
25 September, wed
+22
+11
Feels like
+16
723 mmHg
66%
3.6
m/s
NW
Climate normal
+21
+15
25 September, Wednesday. day, 22°; night, 11°; partly cloudy
26
+27
+13
26 September, thu
+27
+13
Feels like
+19
727 mmHg
60%
2.2
m/s
NW
Climate normal
+23
+16
26 September, Thursday. day, 27°; night, 13°; mostly clear
27
+24
+12
27 September, fri
+24
+12
Feels like
+17
723 mmHg
60%
3.4
m/s
W
Climate normal
+23
+16
27 September, Friday. day, 24°; night, 12°; clear
28
+19
+12
28 September, sat
+19
+12
Feels like
+17
719 mmHg
84%
2
m/s
NW
Climate normal
+21
+15
28 September, Saturday. day, 19°; night, 12°; light rain
29
+25
+12
29 September, sun
+25
+12
Feels like
+17
718 mmHg
67%
3.9
m/s
NE
Climate normal
+20
+15
29 September, Sunday. day, 25°; night, 12°; clear
30
+27
+9
30 September, mon
+27
+9
Feels like
+19
717 mmHg
56%
3.9
m/s
NW
Climate normal
+19
+14
30 September, Monday. day, 27°; night, 9°; clear
1 October
+24
+7
1 October, tue
+24
+7
Feels like
+17
717 mmHg
61%
3.8
m/s
W
Climate normal
+18
+14
1 October, Tuesday. day, 24°; night, 7°; clear
2
+20
+13
2 October, wed
+20
+13
Feels like
+14
718 mmHg
76%
3.4
m/s
W
Climate normal
+18
+13
2 October, Wednesday. day, 20°; night, 13°; clear
Average data for 10 years
Next, the average data for 10 years
3
+19
+14
3 October, thu
+19
+14
Feels like
+16
757 mmHg
57%
4.5
m/s
NE
3 October, Thursday. day, 19°; night, 14°; partly cloudy
4
+20
+15
4 October, fri
+20
+15
Feels like
+18
757 mmHg
56%
5.5
m/s
S
4 October, Friday. day, 20°; night, 15°; clear
5
+20
+15
5 October, sat
+20
+15
Feels like
+18
758 mmHg
56%
4.8
m/s
S
5 October, Saturday. day, 20°; night, 15°; clear
Average for 30 days
15
sunny days
4
days with precipitation
11
cloudy days
15 sunny days; 4 days with precipitation; 11 cloudy days;
64
%
air humidity
3.3
m/s
Wind
SW
2
mm of precipitation
(1% of annual average)
air humidity 64%; 2 millimeters of precipitation (1% of annual average); Wind south-westerly 3.3 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
N
N
N
NW
NW
SW
SW
SW
SW
SW
W
N
SW
NE
SW
SW
W
NW
NE
E
SW
W
NW
NW
W
NW
NE
NW
W
W
3
Average data for 10 years
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
1
October
2
Daytime temperature
Night-time temperature
