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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
+10
+7
21 April, sun
+10
+7
Feels like
+6
757 mmHg
79%
6
m/s
S
+8
21 April, Sunday. day, 10°; night, 7°; overcast
22
+9
+8
22 April, mon
+9
+8
Feels like
+5
755 mmHg
81%
7.1
m/s
W
+8
22 April, Monday. day, 9°; night, 8°; rain
23
+12
+7
23 April, tue
+12
+7
Feels like
+8
754 mmHg
72%
6.9
m/s
NW
+9
23 April, Tuesday. day, 12°; night, 7°; partly cloudy
24
April
+12
−2
24 April, wed
+12
−2
Feels like
+2
755 mmHg
63%
8.4
m/s
S
+8
Climate normal
+10
+8
24 April, Wednesday. day, 12°; night, -2°; light rain
25
+9
−1
25 April, thu
+9
−1
Feels like
+1
768 mmHg
38%
5.2
m/s
NW
+7
Climate normal
+11
+8
25 April, Thursday. day, 9°; night, -1°; clear
26
+11
+2
26 April, fri
+11
+2
Feels like
+2
773 mmHg
41%
6.1
m/s
S
+7
Climate normal
+9
+7
26 April, Friday. day, 11°; night, 2°; clear
27
+13
+7
27 April, sat
+13
+7
Feels like
+4
771 mmHg
58%
7.5
m/s
S
+8
Climate normal
+11
+7
27 April, Saturday. day, 13°; night, 7°; clear
28
+18
+11
28 April, sun
+18
+11
Feels like
+10
762 mmHg
72%
5.2
m/s
S
+8
Climate normal
+10
+8
28 April, Sunday. day, 18°; night, 11°; overcast
29
+17
+9
29 April, mon
+17
+9
Feels like
+12
762 mmHg
73%
4
m/s
E
+9
Climate normal
+10
+7
29 April, Monday. day, 17°; night, 9°; partly cloudy
30
+16
+9
30 April, tue
+16
+9
Feels like
+11
759 mmHg
77%
5.9
m/s
S
+9
Climate normal
+10
+7
30 April, Tuesday. day, 16°; night, 9°; overcast
1 May
+12
+6
1 May, wed
+12
+6
Feels like
+7
759 mmHg
71%
4.9
m/s
NE
+9
Climate normal
+10
+8
1 May, Wednesday. day, 12°; night, 6°; overcast
2
+14
+6
2 May, thu
+14
+6
Feels like
+8
757 mmHg
62%
4.4
m/s
NW
Climate normal
+11
+8
2 May, Thursday. day, 14°; night, 6°; partly cloudy
3
+14
+6
3 May, fri
+14
+6
Feels like
+7
758 mmHg
58%
4.7
m/s
N
Climate normal
+12
+8
3 May, Friday. day, 14°; night, 6°; partly cloudy
4
+16
+6
4 May, sat
+16
+6
Feels like
+9
760 mmHg
56%
4.4
m/s
N
Climate normal
+11
+9
4 May, Saturday. day, 16°; night, 6°; partly cloudy
5
+18
+7
5 May, sun
+18
+7
Feels like
+9
760 mmHg
53%
4.8
m/s
N
Climate normal
+12
+8
5 May, Sunday. day, 18°; night, 7°; partly cloudy
6
+10
+10
6 May, mon
+10
+10
Feels like
+4
752 mmHg
88%
5.5
m/s
SE
Climate normal
+13
+9
6 May, Monday. day, 10°; night, 10°; light rain
7
+13
+7
7 May, tue
+13
+7
Feels like
+6
748 mmHg
81%
4.1
m/s
S
Climate normal
+11
+10
7 May, Tuesday. day, 13°; night, 7°; light rain
8
+11
+8
8 May, wed
+11
+8
Feels like
+6
745 mmHg
84%
3.5
m/s
W
Climate normal
+11
+9
8 May, Wednesday. day, 11°; night, 8°; light rain
9
+12
+7
9 May, thu
+12
+7
Feels like
+4
749 mmHg
68%
6.4
m/s
S
Climate normal
+13
+9
9 May, Thursday. day, 12°; night, 7°; mostly clear
10
+12
+9
10 May, fri
+12
+9
Feels like
+7
750 mmHg
75%
3
m/s
NE
Climate normal
+13
+9
10 May, Friday. day, 12°; night, 9°; clear
11
+15
+11
11 May, sat
+15
+11
Feels like
+7
745 mmHg
76%
8.9
m/s
S
Climate normal
+14
+10
11 May, Saturday. day, 15°; night, 11°; mostly clear
12
+14
+9
12 May, sun
+14
+9
Feels like
+8
747 mmHg
73%
5.5
m/s
SW
Climate normal
+13
+9
12 May, Sunday. day, 14°; night, 9°; clear
13
+14
+11
13 May, mon
+14
+11
Feels like
+7
751 mmHg
77%
7.1
m/s
S
Climate normal
+12
+9
13 May, Monday. day, 14°; night, 11°; light rain
14
+14
+11
14 May, tue
+14
+11
Feels like
+9
753 mmHg
76%
3.7
m/s
NW
Climate normal
+13
+10
14 May, Tuesday. day, 14°; night, 11°; clear
15
+13
+9
15 May, wed
+13
+9
Feels like
+9
759 mmHg
70%
2.5
m/s
SW
Climate normal
+14
+10
15 May, Wednesday. day, 13°; night, 9°; partly cloudy
16
+15
+11
16 May, thu
+15
+11
Feels like
+9
765 mmHg
69%
5.3
m/s
S
Climate normal
+14
+11
16 May, Thursday. day, 15°; night, 11°; clear
17
+17
+14
17 May, fri
+17
+14
Feels like
+10
763 mmHg
71%
7.2
m/s
SW
Climate normal
+13
+11
17 May, Friday. day, 17°; night, 14°; mostly clear
18
+18
+15
18 May, sat
+18
+15
Feels like
+14
764 mmHg
81%
5.4
m/s
S
Climate normal
+13
+10
18 May, Saturday. day, 18°; night, 15°; mostly clear
19
+20
+16
19 May, sun
+20
+16
Feels like
+14
761 mmHg
75%
7.8
m/s
SW
Climate normal
+15
+11
19 May, Sunday. day, 20°; night, 16°; clear
20
+20
+17
20 May, mon
+20
+17
Feels like
+14
759 mmHg
76%
7.8
m/s
SW
Climate normal
+15
+12
20 May, Monday. day, 20°; night, 17°; clear
21
+19
+17
21 May, tue
+19
+17
Feels like
+12
756 mmHg
84%
10.7
m/s
SW
Climate normal
+13
+11
21 May, Tuesday. day, 19°; night, 17°; mostly clear
22
+17
+15
22 May, wed
+17
+15
Feels like
+11
750 mmHg
93%
11
m/s
SW
Climate normal
+13
+10
22 May, Wednesday. day, 17°; night, 15°; rain
23
+15
+12
23 May, thu
+15
+12
Feels like
+10
753 mmHg
73%
5.5
m/s
NW
Climate normal
+17
+12
23 May, Thursday. day, 15°; night, 12°; clear
Average data for 10 years
Next, the average data for 10 years
24
+15
+13
24 May, fri
+15
+13
Feels like
+12
757 mmHg
80%
6.4
m/s
NE
+12
24 May, Friday. day, 15°; night, 13°; rain
25
+16
+12
25 May, sat
+16
+12
Feels like
+13
756 mmHg
79%
6.5
m/s
SW
+13
25 May, Saturday. day, 16°; night, 12°; rain
Average for 30 days
18
sunny days
3
days with precipitation
9
cloudy days
18 sunny days; 3 days with precipitation; 9 cloudy days;
70
%
air humidity
5.9
m/s
Wind
S
3
mm of precipitation
(1% of annual average)
+8
°C
Water temperature
air humidity 70%; 3 millimeters of precipitation (1% of annual average); Wind southerly 5.9 Meters per second; Water temperature +8°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
S
NW
S
S
S
E
S
NE
NW
N
N
N
SE
S
W
S
NE
S
SW
S
NW
SW
S
SW
S
SW
SW
SW
SW
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
