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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
28
+15
+10
28 April, sun
+15
+10
Feels like
+13
762 mmHg
64%
5
m/s
NW
28 April, Sunday. day, 15°; night, 10°; rain
29
+15
+11
29 April, mon
+15
+11
Feels like
+13
762 mmHg
64%
4.6
m/s
N
29 April, Monday. day, 15°; night, 11°; rain
30
+17
+13
30 April, tue
+17
+13
Feels like
+15
760 mmHg
64%
4.9
m/s
NW
30 April, Tuesday. day, 17°; night, 13°; clear
1
May
+14
+8
1 May, wed
+14
+8
Feels like
+10
759 mmHg
68%
1.4
m/s
S
Climate normal
+17
+12
1 May, Wednesday. day, 14°; night, 8°; partly cloudy
2
+17
+6
2 May, thu
+17
+6
Feels like
+12
755 mmHg
68%
2.2
m/s
NE
Climate normal
+19
+12
2 May, Thursday. day, 17°; night, 6°; mostly clear
3
+14
+8
3 May, fri
+14
+8
Feels like
+10
751 mmHg
87%
2.2
m/s
SE
Climate normal
+17
+12
3 May, Friday. day, 14°; night, 8°; rain
4
+11
+7
4 May, sat
+11
+7
Feels like
+6
748 mmHg
86%
3.3
m/s
SW
Climate normal
+15
+11
4 May, Saturday. day, 11°; night, 7°; rain
5
+12
+8
5 May, sun
+12
+8
Feels like
+7
752 mmHg
88%
3.5
m/s
SW
Climate normal
+16
+10
5 May, Sunday. day, 12°; night, 8°; light rain
6
+12
+7
6 May, mon
+12
+7
Feels like
+8
754 mmHg
81%
3.9
m/s
SW
Climate normal
+18
+12
6 May, Monday. day, 12°; night, 7°; light rain
7
+14
+7
7 May, tue
+14
+7
Feels like
+9
756 mmHg
75%
3.4
m/s
SW
Climate normal
+19
+12
7 May, Tuesday. day, 14°; night, 7°; light rain
8
+15
+6
8 May, wed
+15
+6
Feels like
+10
755 mmHg
72%
3
m/s
SW
Climate normal
+18
+11
8 May, Wednesday. day, 15°; night, 6°; light rain
9
+16
+8
9 May, thu
+16
+8
Feels like
+11
755 mmHg
69%
3.6
m/s
SW
Climate normal
+18
+12
9 May, Thursday. day, 16°; night, 8°; partly cloudy
10
+20
+8
10 May, fri
+20
+8
Feels like
+14
755 mmHg
69%
3.7
m/s
SW
Climate normal
+16
+12
10 May, Friday. day, 20°; night, 8°; partly cloudy
11
+22
+9
11 May, sat
+22
+9
Feels like
+16
756 mmHg
64%
3.1
m/s
W
Climate normal
+17
+12
11 May, Saturday. day, 22°; night, 9°; partly cloudy
12
+21
+9
12 May, sun
+21
+9
Feels like
+15
754 mmHg
62%
3.3
m/s
NW
Climate normal
+19
+13
12 May, Sunday. day, 21°; night, 9°; partly cloudy
13
+22
+3
13 May, mon
+22
+3
Feels like
+13
719 mmHg
57%
4.9
m/s
W
Climate normal
+20
+14
13 May, Monday. day, 22°; night, 3°; mostly clear
14
+24
+6
14 May, tue
+24
+6
Feels like
+14
722 mmHg
57%
3.6
m/s
NW
Climate normal
+18
+13
14 May, Tuesday. day, 24°; night, 6°; clear
15
+23
+9
15 May, wed
+23
+9
Feels like
+15
721 mmHg
51%
5.9
m/s
W
Climate normal
+19
+14
15 May, Wednesday. day, 23°; night, 9°; mostly clear
16
+18
+5
16 May, thu
+18
+5
Feels like
+9
719 mmHg
55%
4.4
m/s
NW
Climate normal
+20
+14
16 May, Thursday. day, 18°; night, 5°; partly cloudy
17
+18
+5
17 May, fri
+18
+5
Feels like
+8
718 mmHg
46%
4.9
m/s
NW
Climate normal
+20
+13
17 May, Friday. day, 18°; night, 5°; clear
18
+22
+8
18 May, sat
+22
+8
Feels like
+13
716 mmHg
44%
4.2
m/s
NW
Climate normal
+19
+13
18 May, Saturday. day, 22°; night, 8°; partly cloudy
19
+20
+8
19 May, sun
+20
+8
Feels like
+10
716 mmHg
54%
5.3
m/s
W
Climate normal
+19
+13
19 May, Sunday. day, 20°; night, 8°; partly cloudy
20
+16
+9
20 May, mon
+16
+9
Feels like
+8
719 mmHg
70%
4.2
m/s
W
Climate normal
+17
+13
20 May, Monday. day, 16°; night, 9°; partly cloudy
21
+14
+6
21 May, tue
+14
+6
Feels like
+9
718 mmHg
85%
3.6
m/s
NW
Climate normal
+17
+12
21 May, Tuesday. day, 14°; night, 6°; light rain
22
+17
+1
22 May, wed
+17
+1
Feels like
+8
719 mmHg
68%
4.2
m/s
W
Climate normal
+15
+11
22 May, Wednesday. day, 17°; night, 1°; partly cloudy
23
+17
0
23 May, thu
+17
0
Feels like
+8
722 mmHg
57%
4.2
m/s
W
Climate normal
+16
+12
23 May, Thursday. day, 17°; night, 0°; mostly clear
24
+19
+2
24 May, fri
+19
+2
Feels like
+9
723 mmHg
53%
3.8
m/s
W
Climate normal
+18
+12
24 May, Friday. day, 19°; night, 2°; clear
25
+22
+11
25 May, sat
+22
+11
Feels like
+15
720 mmHg
51%
5.6
m/s
W
Climate normal
+18
+13
25 May, Saturday. day, 22°; night, 11°; partly cloudy
26
+14
+7
26 May, sun
+14
+7
Feels like
+9
721 mmHg
88%
3.7
m/s
NW
Climate normal
+19
+13
26 May, Sunday. day, 14°; night, 7°; light rain
27
+15
+6
27 May, mon
+15
+6
Feels like
+8
720 mmHg
63%
3.7
m/s
W
Climate normal
+19
+13
27 May, Monday. day, 15°; night, 6°; partly cloudy
28
+13
−3
28 May, tue
+13
−3
Feels like
+4
723 mmHg
67%
4.5
m/s
W
Climate normal
+18
+13
28 May, Tuesday. day, 13°; night, -3°; light rain
29
+19
+3
29 May, wed
+19
+3
Feels like
+8
725 mmHg
42%
4
m/s
NW
Climate normal
+19
+14
29 May, Wednesday. day, 19°; night, 3°; clear
30
+24
+9
30 May, thu
+24
+9
Feels like
+15
725 mmHg
44%
5
m/s
N
Climate normal
+21
+15
30 May, Thursday. day, 24°; night, 9°; clear
Average data for 10 years
Next, the average data for 10 years
31
+20
+15
31 May, fri
+20
+15
Feels like
+20
757 mmHg
63%
4
m/s
SW
31 May, Friday. day, 20°; night, 15°; rain
1 June
+20
+14
1 June, sat
+20
+14
Feels like
+19
756 mmHg
72%
4
m/s
W
1 June, Saturday. day, 20°; night, 14°; overcast
Average for 30 days
9
sunny days
9
days with precipitation
12
cloudy days
9 sunny days; 9 days with precipitation; 12 cloudy days;
65
%
air humidity
3.9
m/s
Wind
W
20
mm of precipitation
(3% of annual average)
air humidity 65%; 20 millimeters of precipitation (3% of annual average); Wind westerly 3.9 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
S
NE
SE
SW
SW
SW
SW
SW
SW
SW
W
NW
W
NW
W
NW
NW
NW
W
W
NW
W
W
W
W
NW
W
W
NW
N
1
May
Average data for 10 years
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
28
29
30
Daytime temperature
Night-time temperature
