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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
29
December
+4
+5
29 December, sun
+4
+5
Feels like
0
763 mmHg
93%
2.5
m/s
SE
+4
Climate normal
−1
−5
29 December, Sunday. day, 4°; night, 5°; light rain
30
+11
+4
30 December, mon
+11
+4
Feels like
+1
751 mmHg
89%
12.3
m/s
S
+4
Climate normal
+2
−4
30 December, Monday. day, 11°; night, 4°; rain
31
+8
+4
31 December, tue
+8
+4
Feels like
0
756 mmHg
70%
5.5
m/s
SW
+4
Climate normal
+2
−4
31 December, Tuesday. day, 8°; night, 4°; partly cloudy
1 January
+5
+2
1 January, wed
+5
+2
Feels like
−3
747 mmHg
90%
8.2
m/s
E
+5
Climate normal
+1
−3
1 January, Wednesday. day, 5°; night, 2°; rain
2
+2
−1
2 January, thu
+2
−1
Feels like
−7
748 mmHg
63%
9.1
m/s
W
+5
Climate normal
−1
−2
2 January, Thursday. day, 2°; night, -1°; light rain
3
+1
−3
3 January, fri
+1
−3
Feels like
−8
754 mmHg
51%
7.6
m/s
W
+5
Climate normal
−3
−5
3 January, Friday. day, 1°; night, -3°; sleet
4
0
−5
4 January, sat
0
−5
Feels like
−9
753 mmHg
57%
5.3
m/s
W
+5
Climate normal
−1
−5
4 January, Saturday. day, 0°; night, -5°; partly cloudy
5
−2
−6
5 January, sun
−2
−6
Feels like
−11
757 mmHg
57%
5.9
m/s
NW
+5
Climate normal
0
−2
5 January, Sunday. day, -2°; night, -6°; mostly clear
6
−3
−6
6 January, mon
−3
−6
Feels like
−11
756 mmHg
68%
6.2
m/s
NW
+5
Climate normal
0
−3
6 January, Monday. day, -3°; night, -6°; sleet
7
−2
−5
7 January, tue
−2
−5
Feels like
−12
756 mmHg
65%
7.5
m/s
NW
+4
Climate normal
−1
−2
7 January, Tuesday. day, -2°; night, -5°; sleet
8
−3
−2
8 January, wed
−3
−2
Feels like
−14
755 mmHg
77%
10
m/s
N
0
Climate normal
−1
−4
8 January, Wednesday. day, -3°; night, -2°; overcast
9
0
−3
9 January, thu
0
−3
Feels like
−11
752 mmHg
76%
8.5
m/s
W
0
Climate normal
0
−3
9 January, Thursday. day, 0°; night, -3°; snow
10
+2
−4
10 January, fri
+2
−4
Feels like
−15
750 mmHg
75%
12.7
m/s
NW
0
Climate normal
+1
−2
10 January, Friday. day, 2°; night, -4°; rain
11
−5
−12
11 January, sat
−5
−12
Feels like
−21
744 mmHg
88%
14.9
m/s
W
0
Climate normal
+1
−1
11 January, Saturday. day, -5°; night, -12°; snow
12
−7
−8
12 January, sun
−7
−8
Feels like
−21
757 mmHg
87%
12.1
m/s
W
0
Climate normal
+2
+1
12 January, Sunday. day, -7°; night, -8°; mostly clear
13
−3
−3
13 January, mon
−3
−3
Feels like
−11
762 mmHg
87%
5.6
m/s
W
0
Climate normal
+2
0
13 January, Monday. day, -3°; night, -3°; mostly clear
14
0
−2
14 January, tue
0
−2
Feels like
−7
768 mmHg
88%
3.7
m/s
NW
0
Climate normal
−1
−2
14 January, Tuesday. day, 0°; night, -2°; partly cloudy
15
+2
+3
15 January, wed
+2
+3
Feels like
−5
767 mmHg
89%
6.3
m/s
S
+1
Climate normal
−2
−4
15 January, Wednesday. day, 2°; night, 3°; partly cloudy
16
+6
+5
16 January, thu
+6
+5
Feels like
−4
751 mmHg
93%
12.5
m/s
SW
+5
Climate normal
0
−3
16 January, Thursday. day, 6°; night, 5°; light rain
17
+5
+2
17 January, fri
+5
+2
Feels like
−2
752 mmHg
86%
6.4
m/s
NW
+4
Climate normal
−1
−3
17 January, Friday. day, 5°; night, 2°; partly cloudy
18
0
−3
18 January, sat
0
−3
Feels like
−10
760 mmHg
82%
9.8
m/s
N
0
Climate normal
+1
−2
18 January, Saturday. day, 0°; night, -3°; sleet
19
+4
+5
19 January, sun
+4
+5
Feels like
−7
765 mmHg
84%
9.5
m/s
SE
+3
Climate normal
0
−2
19 January, Sunday. day, 4°; night, 5°; light rain
20
+6
0
20 January, mon
+6
0
Feels like
−3
745 mmHg
92%
8.8
m/s
SW
+5
Climate normal
−1
−1
20 January, Monday. day, 6°; night, 0°; light rain
21
0
−1
21 January, tue
0
−1
Feels like
−10
754 mmHg
72%
8.9
m/s
W
0
Climate normal
−4
−5
21 January, Tuesday. day, 0°; night, -1°; clear
22
−6
−4
22 January, wed
−6
−4
Feels like
−17
764 mmHg
69%
9.2
m/s
NW
0
Climate normal
−3
−6
22 January, Wednesday. day, -6°; night, -4°; mostly clear
23
+4
+3
23 January, thu
+4
+3
Feels like
−9
759 mmHg
69%
11.7
m/s
SW
+3
Climate normal
−3
−5
23 January, Thursday. day, 4°; night, 3°; mostly clear
24
+5
+4
24 January, fri
+5
+4
Feels like
−3
756 mmHg
84%
8.2
m/s
SW
+4
Climate normal
−3
−5
24 January, Friday. day, 5°; night, 4°; partly cloudy
25
+6
+5
25 January, sat
+6
+5
Feels like
0
755 mmHg
86%
5.4
m/s
W
+5
Climate normal
−1
−5
25 January, Saturday. day, 6°; night, 5°; mostly clear
26
+3
−1
26 January, sun
+3
−1
Feels like
−6
755 mmHg
68%
7.5
m/s
NW
+2
Climate normal
−2
−3
26 January, Sunday. day, 3°; night, -1°; mostly clear
27
−2
−12
27 January, mon
−2
−12
Feels like
−16
759 mmHg
60%
10.6
m/s
NW
0
Climate normal
0
−3
27 January, Monday. day, -2°; night, -12°; partly cloudy
Average data for 10 years
Next, the average data for 10 years
28
−1
−4
28 January, tue
−1
−4
Feels like
−7
755 mmHg
68%
8.3
m/s
NW
+5
28 January, Tuesday. day, -1°; night, -4°; clear
29
−1
−3
29 January, wed
−1
−3
Feels like
−7
754 mmHg
72%
7
m/s
W
+5
29 January, Wednesday. day, -1°; night, -3°; snow
30
+1
−2
30 January, thu
+1
−2
Feels like
−5
754 mmHg
74%
7.1
m/s
W
+5
30 January, Thursday. day, 1°; night, -2°; rain
31
−1
−3
31 January, fri
−1
−3
Feels like
−8
756 mmHg
67%
8.6
m/s
W
+5
31 January, Friday. day, -1°; night, -3°; snow
1 February
0
−4
1 February, sat
0
−4
Feels like
−7
758 mmHg
73%
7.4
m/s
NW
+5
1 February, Saturday. day, 0°; night, -4°; overcast
Average for 30 days
9
sunny days
13
days with precipitation
8
cloudy days
9 sunny days; 13 days with precipitation; 8 cloudy days;
77
%
air humidity
8.4
m/s
Wind
W
41
mm of precipitation
(5% of annual average)
+3
°C
Water temperature
air humidity 77%; 41 millimeters of precipitation (5% of annual average); Wind westerly 8.4 Meters per second; Water temperature +3°
Forecast in graphs
Temperature
Water temperature
Humidity, %
Wind, m/s
Pressure, mmHg
SE
S
SW
E
W
W
W
NW
NW
NW
N
W
NW
W
W
W
NW
S
SW
NW
N
SE
SW
W
NW
SW
SW
W
NW
NW
29
Average data for 10 years
30
31
1
January
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
Daytime temperature
Night-time temperature
