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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
+15
+10
21 April, sun
+15
+10
Feels like
+13
758 mmHg
66%
4.4
m/s
NW
21 April, Sunday. day, 15°; night, 10°; rain
22
+15
+10
22 April, mon
+15
+10
Feels like
+13
755 mmHg
68%
4.9
m/s
SW
22 April, Monday. day, 15°; night, 10°; rain
23
+14
+10
23 April, tue
+14
+10
Feels like
+11
756 mmHg
74%
5.5
m/s
SW
23 April, Tuesday. day, 14°; night, 10°; rain
24
April
+17
+10
24 April, wed
+17
+10
Feels like
+12
756 mmHg
61%
2.7
m/s
SW
Climate normal
+13
+10
24 April, Wednesday. day, 17°; night, 10°; mostly clear
25
+12
+10
25 April, thu
+12
+10
Feels like
+8
750 mmHg
91%
4.4
m/s
S
Climate normal
+15
+10
25 April, Thursday. day, 12°; night, 10°; rain
26
+13
+9
26 April, fri
+13
+9
Feels like
+9
752 mmHg
86%
4.3
m/s
S
Climate normal
+15
+10
26 April, Friday. day, 13°; night, 9°; light rain
27
+14
+9
27 April, sat
+14
+9
Feels like
+10
756 mmHg
77%
3.4
m/s
S
Climate normal
+14
+10
27 April, Saturday. day, 14°; night, 9°; partly cloudy
28
+14
+6
28 April, sun
+14
+6
Feels like
+9
756 mmHg
72%
3.7
m/s
SW
Climate normal
+15
+10
28 April, Sunday. day, 14°; night, 6°; partly cloudy
29
+12
+6
29 April, mon
+12
+6
Feels like
+8
758 mmHg
70%
3.3
m/s
SW
Climate normal
+15
+11
29 April, Monday. day, 12°; night, 6°; light rain
30
+14
+6
30 April, tue
+14
+6
Feels like
+9
758 mmHg
65%
3.1
m/s
SW
Climate normal
+17
+13
30 April, Tuesday. day, 14°; night, 6°; partly cloudy
1 May
+16
+8
1 May, wed
+16
+8
Feels like
+10
756 mmHg
63%
3.2
m/s
W
Climate normal
+17
+12
1 May, Wednesday. day, 16°; night, 8°; partly cloudy
2
+16
+7
2 May, thu
+16
+7
Feels like
+10
754 mmHg
65%
3.5
m/s
NW
Climate normal
+19
+12
2 May, Thursday. day, 16°; night, 7°; overcast
3
+15
+6
3 May, fri
+15
+6
Feels like
+9
753 mmHg
65%
4.2
m/s
W
Climate normal
+17
+12
3 May, Friday. day, 15°; night, 6°; overcast
4
+18
+8
4 May, sat
+18
+8
Feels like
+11
757 mmHg
63%
3.5
m/s
NW
Climate normal
+15
+11
4 May, Saturday. day, 18°; night, 8°; partly cloudy
5
+19
+9
5 May, sun
+19
+9
Feels like
+14
756 mmHg
61%
3
m/s
W
Climate normal
+16
+10
5 May, Sunday. day, 19°; night, 9°; partly cloudy
6
+20
+5
6 May, mon
+20
+5
Feels like
+13
756 mmHg
65%
4
m/s
W
Climate normal
+18
+12
6 May, Monday. day, 20°; night, 5°; partly cloudy
7
+22
+11
7 May, tue
+22
+11
Feels like
+14
716 mmHg
61%
4.2
m/s
W
Climate normal
+19
+12
7 May, Tuesday. day, 22°; night, 11°; partly cloudy
8
+13
+5
8 May, wed
+13
+5
Feels like
+6
718 mmHg
78%
5.2
m/s
SW
Climate normal
+18
+11
8 May, Wednesday. day, 13°; night, 5°; light rain
9
+10
+3
9 May, thu
+10
+3
Feels like
+4
716 mmHg
81%
3.6
m/s
NW
Climate normal
+18
+12
9 May, Thursday. day, 10°; night, 3°; light rain
10
+13
0
10 May, fri
+13
0
Feels like
+2
720 mmHg
61%
6
m/s
NW
Climate normal
+16
+12
10 May, Friday. day, 13°; night, 0°; partly cloudy
11
+15
0
11 May, sat
+15
0
Feels like
+5
720 mmHg
52%
4.9
m/s
NW
Climate normal
+17
+12
11 May, Saturday. day, 15°; night, 0°; mostly clear
12
+20
+4
12 May, sun
+20
+4
Feels like
+11
718 mmHg
50%
4.6
m/s
NW
Climate normal
+19
+13
12 May, Sunday. day, 20°; night, 4°; clear
13
+22
+5
13 May, mon
+22
+5
Feels like
+14
718 mmHg
62%
2.8
m/s
NW
Climate normal
+20
+14
13 May, Monday. day, 22°; night, 5°; mostly clear
14
+22
+10
14 May, tue
+22
+10
Feels like
+15
719 mmHg
63%
4.3
m/s
W
Climate normal
+18
+13
14 May, Tuesday. day, 22°; night, 10°; clear
15
+12
+4
15 May, wed
+12
+4
Feels like
+8
722 mmHg
83%
4
m/s
W
Climate normal
+19
+14
15 May, Wednesday. day, 12°; night, 4°; partly cloudy
16
+16
+2
16 May, thu
+16
+2
Feels like
+6
721 mmHg
54%
4.7
m/s
NW
Climate normal
+20
+14
16 May, Thursday. day, 16°; night, 2°; mostly clear
17
+17
−2
17 May, fri
+17
−2
Feels like
+6
720 mmHg
57%
5.1
m/s
NW
Climate normal
+20
+13
17 May, Friday. day, 17°; night, -2°; clear
18
+19
+7
18 May, sat
+19
+7
Feels like
+11
716 mmHg
39%
4.8
m/s
W
Climate normal
+19
+13
18 May, Saturday. day, 19°; night, 7°; partly cloudy
19
+9
+5
19 May, sun
+9
+5
Feels like
+4
719 mmHg
89%
4.3
m/s
SW
Climate normal
+19
+13
19 May, Sunday. day, 9°; night, 5°; rain
20
+9
+5
20 May, mon
+9
+5
Feels like
+4
723 mmHg
91%
4
m/s
SW
Climate normal
+17
+13
20 May, Monday. day, 9°; night, 5°; rain
21
+15
+3
21 May, tue
+15
+3
Feels like
+5
725 mmHg
72%
3.7
m/s
NW
Climate normal
+17
+12
21 May, Tuesday. day, 15°; night, 3°; partly cloudy
22
+22
+7
22 May, wed
+22
+7
Feels like
+12
723 mmHg
49%
3.1
m/s
NE
Climate normal
+15
+11
22 May, Wednesday. day, 22°; night, 7°; partly cloudy
23
+24
+8
23 May, thu
+24
+8
Feels like
+15
721 mmHg
39%
4.1
m/s
NW
Climate normal
+16
+12
23 May, Thursday. day, 24°; night, 8°; mostly clear
Average data for 10 years
Next, the average data for 10 years
24
+18
+12
24 May, fri
+18
+12
Feels like
+17
755 mmHg
70%
3.5
m/s
NW
24 May, Friday. day, 18°; night, 12°; clear
25
+18
+13
25 May, sat
+18
+13
Feels like
+17
756 mmHg
70%
4.6
m/s
W
25 May, Saturday. day, 18°; night, 13°; rain
Average for 30 days
8
sunny days
7
days with precipitation
15
cloudy days
8 sunny days; 7 days with precipitation; 15 cloudy days;
66
%
air humidity
4
m/s
Wind
NW
24
mm of precipitation
(3% of annual average)
air humidity 66%; 24 millimeters of precipitation (3% of annual average); Wind north-westerly 4 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SW
S
S
S
SW
SW
SW
W
NW
W
NW
W
W
W
SW
NW
NW
NW
NW
NW
W
W
NW
NW
W
SW
SW
NW
NE
NW
24
Average data for 10 years
25
26
27
28
29
30
1
May
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
Daytime temperature
Night-time temperature
