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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
1 December
+8
+6
1 December, sun
+8
+6
Feels like
+4
759 mmHg
79%
5.4
m/s
SE
1 December, Sunday. day, 8°; night, 6°; rain
2
December
+7
−2
2 December, mon
+7
−2
Feels like
−1
761 mmHg
76%
1.1
m/s
NW
Climate normal
+7
+6
2 December, Monday. day, 7°; night, -2°; partly cloudy
3
+9
−1
3 December, tue
+9
−1
Feels like
+1
761 mmHg
68%
1.8
m/s
N
Climate normal
+7
+5
3 December, Tuesday. day, 9°; night, -1°; partly cloudy
4
+9
−1
4 December, wed
+9
−1
Feels like
+2
761 mmHg
69%
Calm m/s
Climate normal
+7
+5
4 December, Wednesday. day, 9°; night, -1°; mostly clear
5
+8
+3
5 December, thu
+8
+3
Feels like
+3
763 mmHg
75%
0.9
m/s
NW
Climate normal
+6
+4
5 December, Thursday. day, 8°; night, 3°; partly cloudy
6
+11
+8
6 December, fri
+11
+8
Feels like
+5
761 mmHg
86%
2.3
m/s
E
Climate normal
+6
+5
6 December, Friday. day, 11°; night, 8°; overcast
7
+11
+5
7 December, sat
+11
+5
Feels like
+7
760 mmHg
84%
3.8
m/s
SW
Climate normal
+6
+5
7 December, Saturday. day, 11°; night, 5°; heavy rain
8
+9
+4
8 December, sun
+9
+4
Feels like
+4
763 mmHg
85%
3
m/s
SW
Climate normal
+6
+4
8 December, Sunday. day, 9°; night, 4°; light rain
9
+8
+1
9 December, mon
+8
+1
Feels like
+3
764 mmHg
85%
2.5
m/s
NE
Climate normal
+6
+5
9 December, Monday. day, 8°; night, 1°; overcast
10
+6
+2
10 December, tue
+6
+2
Feels like
+1
762 mmHg
86%
2.2
m/s
E
Climate normal
+7
+6
10 December, Tuesday. day, 6°; night, 2°; light rain
11
+7
+5
11 December, wed
+7
+5
Feels like
+1
760 mmHg
85%
2.9
m/s
SW
Climate normal
+7
+6
11 December, Wednesday. day, 7°; night, 5°; rain
12
+8
+5
12 December, thu
+8
+5
Feels like
+3
756 mmHg
81%
3.3
m/s
SW
Climate normal
+7
+6
12 December, Thursday. day, 8°; night, 5°; overcast
13
+9
+6
13 December, fri
+9
+6
Feels like
+5
756 mmHg
84%
2.8
m/s
N
Climate normal
+6
+4
13 December, Friday. day, 9°; night, 6°; overcast
14
+9
+9
14 December, sat
+9
+9
Feels like
+4
758 mmHg
81%
3
m/s
SW
Climate normal
+5
+4
14 December, Saturday. day, 9°; night, 9°; overcast
15
+11
+10
15 December, sun
+11
+10
Feels like
+7
725 mmHg
99%
4.7
m/s
S
Climate normal
+5
+4
15 December, Sunday. day, 11°; night, 10°; rain
16
+6
+3
16 December, mon
+6
+3
Feels like
+2
723 mmHg
93%
3.1
m/s
E
Climate normal
+5
+5
16 December, Monday. day, 6°; night, 3°; rain
17
+5
+3
17 December, tue
+5
+3
Feels like
+1
719 mmHg
99%
4.1
m/s
E
Climate normal
+7
+5
17 December, Tuesday. day, 5°; night, 3°; light rain
18
+4
+3
18 December, wed
+4
+3
Feels like
−3
716 mmHg
95%
6.2
m/s
S
Climate normal
+6
+5
18 December, Wednesday. day, 4°; night, 3°; partly cloudy
19
+6
+6
19 December, thu
+6
+6
Feels like
0
720 mmHg
93%
5.2
m/s
S
Climate normal
+7
+7
19 December, Thursday. day, 6°; night, 6°; rain
20
+10
+4
20 December, fri
+10
+4
Feels like
+2
722 mmHg
77%
6.5
m/s
S
Climate normal
+7
+4
20 December, Friday. day, 10°; night, 4°; partly cloudy
21
+8
+3
21 December, sat
+8
+3
Feels like
0
720 mmHg
67%
5.1
m/s
S
Climate normal
+6
+5
21 December, Saturday. day, 8°; night, 3°; partly cloudy
22
+9
+5
22 December, sun
+9
+5
Feels like
−1
719 mmHg
67%
8.5
m/s
SW
Climate normal
+6
+5
22 December, Sunday. day, 9°; night, 5°; partly cloudy
23
+11
+8
23 December, mon
+11
+8
Feels like
+1
716 mmHg
62%
9.4
m/s
SW
Climate normal
+5
+3
23 December, Monday. day, 11°; night, 8°; partly cloudy
24
+11
+7
24 December, tue
+11
+7
Feels like
+3
713 mmHg
92%
10.2
m/s
S
Climate normal
+5
+3
24 December, Tuesday. day, 11°; night, 7°; light rain
25
+8
+7
25 December, wed
+8
+7
Feels like
+2
715 mmHg
86%
6.8
m/s
SW
Climate normal
+4
+3
25 December, Wednesday. day, 8°; night, 7°; overcast
26
+9
+6
26 December, thu
+9
+6
Feels like
+4
722 mmHg
87%
4.1
m/s
E
Climate normal
+5
+5
26 December, Thursday. day, 9°; night, 6°; rain
27
+6
+4
27 December, fri
+6
+4
Feels like
+1
717 mmHg
98%
5.3
m/s
S
Climate normal
+7
+6
27 December, Friday. day, 6°; night, 4°; rain
28
+6
+3
28 December, sat
+6
+3
Feels like
0
713 mmHg
93%
3.8
m/s
SE
Climate normal
+6
+5
28 December, Saturday. day, 6°; night, 3°; partly cloudy
29
+10
+9
29 December, sun
+10
+9
Feels like
+5
724 mmHg
84%
3
m/s
E
Climate normal
+5
+3
29 December, Sunday. day, 10°; night, 9°; light rain
30
+9
+8
30 December, mon
+9
+8
Feels like
+4
720 mmHg
92%
4.6
m/s
S
Climate normal
+5
+3
30 December, Monday. day, 9°; night, 8°; partly cloudy
31
+10
+10
31 December, tue
+10
+10
Feels like
+2
718 mmHg
87%
8.4
m/s
S
Climate normal
+5
+3
31 December, Tuesday. day, 10°; night, 10°; rain
Average data for 10 years
Next, the average data for 10 years
1 January
+6
+3
1 January, wed
+6
+3
Feels like
0
761 mmHg
73%
7.6
m/s
E
1 January, Wednesday. day, 6°; night, 3°; clear
2
+5
+3
2 January, thu
+5
+3
Feels like
−1
760 mmHg
68%
6.5
m/s
E
2 January, Thursday. day, 5°; night, 3°; partly cloudy
3
+5
+3
3 January, fri
+5
+3
Feels like
0
761 mmHg
74%
5.8
m/s
E
3 January, Friday. day, 5°; night, 3°; partly cloudy
4
+6
+5
4 January, sat
+6
+5
Feels like
+1
758 mmHg
75%
6
m/s
SE
4 January, Saturday. day, 6°; night, 5°; rain
Average for 30 days
2
sunny days
12
days with precipitation
16
cloudy days
2 sunny days; 12 days with precipitation; 16 cloudy days;
84
%
air humidity
4.3
m/s
Wind
S
25
mm of precipitation
(3% of annual average)
air humidity 84%; 25 millimeters of precipitation (3% of annual average); Wind southerly 4.3 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NW
N
NW
E
SW
SW
NE
E
SW
SW
N
SW
S
E
E
S
S
S
S
SW
SW
S
SW
E
S
SE
E
S
S
2
Average data for 10 years
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
31
Daytime temperature
Night-time temperature
