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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
15
+5
+4
15 December, sun
+5
+4
Feels like
+1
760 mmHg
80%
5.3
m/s
E
15 December, Sunday. day, 5°; night, 4°; rain
16
+5
+5
16 December, mon
+5
+5
Feels like
+1
758 mmHg
79%
5.6
m/s
SE
16 December, Monday. day, 5°; night, 5°; clear
17
+7
+5
17 December, tue
+7
+5
Feels like
+2
757 mmHg
83%
6.1
m/s
S
17 December, Tuesday. day, 7°; night, 5°; rain
18
December
+13
+6
18 December, wed
+13
+6
Feels like
+7
760 mmHg
81%
4.7
m/s
SW
Climate normal
+6
+5
18 December, Wednesday. day, 13°; night, 6°; light rain
19
+12
+6
19 December, thu
+12
+6
Feels like
+9
756 mmHg
83%
1
m/s
S
Climate normal
+7
+7
19 December, Thursday. day, 12°; night, 6°; light rain
20
+12
+5
20 December, fri
+12
+5
Feels like
+7
753 mmHg
79%
2
m/s
S
Climate normal
+7
+4
20 December, Friday. day, 12°; night, 5°; overcast
21
+10
+6
21 December, sat
+10
+6
Feels like
+5
751 mmHg
84%
4
m/s
S
Climate normal
+6
+5
21 December, Saturday. day, 10°; night, 6°; heavy rain
22
+9
+9
22 December, sun
+9
+9
Feels like
+7
752 mmHg
89%
2.5
m/s
E
Climate normal
+6
+5
22 December, Sunday. day, 9°; night, 9°; rain
23
+12
+9
23 December, mon
+12
+9
Feels like
+7
752 mmHg
82%
3.9
m/s
E
Climate normal
+5
+3
23 December, Monday. day, 12°; night, 9°; rain
24
+10
+6
24 December, tue
+10
+6
Feels like
+6
752 mmHg
85%
3.6
m/s
SW
Climate normal
+5
+3
24 December, Tuesday. day, 10°; night, 6°; rain
25
+9
+8
25 December, wed
+9
+8
Feels like
+5
755 mmHg
85%
3.1
m/s
S
Climate normal
+4
+3
25 December, Wednesday. day, 9°; night, 8°; rain
26
+11
+9
26 December, thu
+11
+9
Feels like
+6
747 mmHg
86%
4.5
m/s
SW
Climate normal
+5
+5
26 December, Thursday. day, 11°; night, 9°; heavy rain
27
+10
+7
27 December, fri
+10
+7
Feels like
+6
750 mmHg
83%
3.6
m/s
S
Climate normal
+7
+6
27 December, Friday. day, 10°; night, 7°; rain
28
+9
+7
28 December, sat
+9
+7
Feels like
+5
752 mmHg
80%
2.9
m/s
E
Climate normal
+6
+5
28 December, Saturday. day, 9°; night, 7°; overcast
29
+8
+6
29 December, sun
+8
+6
Feels like
+4
752 mmHg
81%
3
m/s
E
Climate normal
+5
+3
29 December, Sunday. day, 8°; night, 6°; overcast
30
+7
+5
30 December, mon
+7
+5
Feels like
+2
738 mmHg
90%
3.7
m/s
NE
Climate normal
+5
+3
30 December, Monday. day, 7°; night, 5°; rain
31
+5
+1
31 December, tue
+5
+1
Feels like
+1
725 mmHg
95%
2.2
m/s
SW
Climate normal
+5
+3
31 December, Tuesday. day, 5°; night, 1°; mostly clear
1 January
+4
0
1 January, wed
+4
0
Feels like
−2
723 mmHg
88%
3
m/s
E
Climate normal
+6
+3
1 January, Wednesday. day, 4°; night, 0°; mostly clear
2
+6
+1
2 January, thu
+6
+1
Feels like
−2
722 mmHg
81%
4
m/s
E
Climate normal
+5
+3
2 January, Thursday. day, 6°; night, 1°; clear
3
+6
+7
3 January, fri
+6
+7
Feels like
0
719 mmHg
83%
4.5
m/s
E
Climate normal
+5
+3
3 January, Friday. day, 6°; night, 7°; rain
4
+10
+10
4 January, sat
+10
+10
Feels like
+7
717 mmHg
99%
3.7
m/s
S
Climate normal
+6
+5
4 January, Saturday. day, 10°; night, 10°; rain
5
+9
+11
5 January, sun
+9
+11
Feels like
+6
716 mmHg
97%
2.3
m/s
SW
Climate normal
+7
+5
5 January, Sunday. day, 9°; night, 11°; light rain
6
+12
+8
6 January, mon
+12
+8
Feels like
+6
712 mmHg
96%
5
m/s
S
Climate normal
+6
+5
6 January, Monday. day, 12°; night, 8°; rain
7
+8
+9
7 January, tue
+8
+9
Feels like
+1
716 mmHg
96%
6.9
m/s
SW
Climate normal
+7
+5
7 January, Tuesday. day, 8°; night, 9°; rain
8
+11
+12
8 January, wed
+11
+12
Feels like
+6
718 mmHg
97%
8.1
m/s
S
Climate normal
+7
+5
8 January, Wednesday. day, 11°; night, 12°; rain
9
+13
+10
9 January, thu
+13
+10
Feels like
+7
718 mmHg
93%
7.2
m/s
S
Climate normal
+6
+5
9 January, Thursday. day, 13°; night, 10°; rain
10
+8
+6
10 January, fri
+8
+6
Feels like
+3
722 mmHg
97%
4.1
m/s
SW
Climate normal
+6
+5
10 January, Friday. day, 8°; night, 6°; rain
11
+7
+8
11 January, sat
+7
+8
Feels like
+1
720 mmHg
94%
6.7
m/s
S
Climate normal
+6
+4
11 January, Saturday. day, 7°; night, 8°; rain
12
+9
+8
12 January, sun
+9
+8
Feels like
+4
719 mmHg
98%
6.1
m/s
SW
Climate normal
+7
+6
12 January, Sunday. day, 9°; night, 8°; rain
13
+10
+2
13 January, mon
+10
+2
Feels like
+5
722 mmHg
96%
1
m/s
NW
Climate normal
+7
+5
13 January, Monday. day, 10°; night, 2°; partly cloudy
14
+9
+6
14 January, tue
+9
+6
Feels like
+4
720 mmHg
86%
2.6
m/s
E
Climate normal
+6
+5
14 January, Tuesday. day, 9°; night, 6°; mostly clear
15
+6
+1
15 January, wed
+6
+1
Feels like
+1
722 mmHg
97%
3.3
m/s
SW
Climate normal
+6
+4
15 January, Wednesday. day, 6°; night, 1°; rain
16
+5
+2
16 January, thu
+5
+2
Feels like
+1
726 mmHg
93%
2.2
m/s
E
Climate normal
+6
+4
16 January, Thursday. day, 5°; night, 2°; partly cloudy
Average data for 10 years
Next, the average data for 10 years
17
+6
+5
17 January, fri
+6
+5
Feels like
+2
760 mmHg
79%
6.4
m/s
SE
17 January, Friday. day, 6°; night, 5°; rain
18
+8
+6
18 January, sat
+8
+6
Feels like
+4
758 mmHg
76%
4.9
m/s
SE
18 January, Saturday. day, 8°; night, 6°; rain
Average for 30 days
4
sunny days
21
days with precipitation
5
cloudy days
4 sunny days; 21 days with precipitation; 5 cloudy days;
89
%
air humidity
3.8
m/s
Wind
S
96
mm of precipitation
(11% of annual average)
air humidity 89%; 96 millimeters of precipitation (11% of annual average); Wind southerly 3.8 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SW
S
S
S
E
E
SW
S
SW
S
E
E
NE
SW
E
E
E
S
SW
S
SW
S
S
SW
S
SW
NW
E
SW
E
18
Average data for 10 years
19
20
21
22
23
24
25
26
27
28
29
30
31
1
January
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Daytime temperature
Night-time temperature
