10 day forecast
Monthly forecast
Weather map
City or area
Find
Sign up
Log in
Go to comparison
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
22
+6
+5
22 December, sun
+6
+5
Feels like
+2
760 mmHg
77%
4.9
m/s
SE
22 December, Sunday. day, 6°; night, 5°; clear
23
+5
+3
23 December, mon
+5
+3
Feels like
+1
759 mmHg
82%
5
m/s
E
23 December, Monday. day, 5°; night, 3°; clear
24
+5
+3
24 December, tue
+5
+3
Feels like
+1
760 mmHg
85%
4.4
m/s
SE
24 December, Tuesday. day, 5°; night, 3°; overcast
25
+4
+3
25 December, wed
+4
+3
Feels like
0
760 mmHg
81%
5.3
m/s
SE
25 December, Wednesday. day, 4°; night, 3°; rain
26
+5
+5
26 December, thu
+5
+5
Feels like
0
761 mmHg
81%
5.8
m/s
SE
26 December, Thursday. day, 5°; night, 5°; rain
27
December
+11
+8
27 December, fri
+11
+8
Feels like
+5
747 mmHg
88%
4.6
m/s
S
Climate normal
+7
+6
27 December, Friday. day, 11°; night, 8°; rain
28
+11
+7
28 December, sat
+11
+7
Feels like
+5
751 mmHg
85%
4
m/s
S
Climate normal
+6
+5
28 December, Saturday. day, 11°; night, 7°; rain
29
+9
+5
29 December, sun
+9
+5
Feels like
+3
751 mmHg
88%
3.8
m/s
S
Climate normal
+5
+3
29 December, Sunday. day, 9°; night, 5°; rain
30
+8
+4
30 December, mon
+8
+4
Feels like
+4
763 mmHg
87%
2.7
m/s
SE
Climate normal
+5
+3
30 December, Monday. day, 8°; night, 4°; light rain
31
+7
+4
31 December, tue
+7
+4
Feels like
+2
761 mmHg
88%
2
m/s
E
Climate normal
+5
+3
31 December, Tuesday. day, 7°; night, 4°; overcast
1 January
+8
+8
1 January, wed
+8
+8
Feels like
+4
757 mmHg
88%
2.3
m/s
E
Climate normal
+6
+3
1 January, Wednesday. day, 8°; night, 8°; rain
2
+9
+8
2 January, thu
+9
+8
Feels like
+6
759 mmHg
89%
2.7
m/s
E
Climate normal
+5
+3
2 January, Thursday. day, 9°; night, 8°; rain
3
+10
+7
3 January, fri
+10
+7
Feels like
+6
754 mmHg
87%
3.7
m/s
SW
Climate normal
+5
+3
3 January, Friday. day, 10°; night, 7°; rain
4
+10
+6
4 January, sat
+10
+6
Feels like
+6
760 mmHg
86%
3.3
m/s
S
Climate normal
+6
+5
4 January, Saturday. day, 10°; night, 6°; heavy rain
5
+9
+4
5 January, sun
+9
+4
Feels like
+4
760 mmHg
87%
2.5
m/s
NE
Climate normal
+7
+5
5 January, Sunday. day, 9°; night, 4°; overcast
6
+8
+4
6 January, mon
+8
+4
Feels like
+3
759 mmHg
84%
2.6
m/s
N
Climate normal
+6
+5
6 January, Monday. day, 8°; night, 4°; overcast
7
+7
+4
7 January, tue
+7
+4
Feels like
+2
759 mmHg
79%
2.5
m/s
NW
Climate normal
+7
+5
7 January, Tuesday. day, 7°; night, 4°; overcast
8
−2
−9
8 January, wed
−2
−9
Feels like
−11
723 mmHg
66%
4.6
m/s
NE
Climate normal
+7
+5
8 January, Wednesday. day, -2°; night, -9°; clear
9
−3
−9
9 January, thu
−3
−9
Feels like
−12
722 mmHg
52%
4.4
m/s
E
Climate normal
+6
+5
9 January, Thursday. day, -3°; night, -9°; clear
10
−2
−8
10 January, fri
−2
−8
Feels like
−12
724 mmHg
45%
4.6
m/s
E
Climate normal
+6
+5
10 January, Friday. day, -2°; night, -8°; clear
11
+1
−5
11 January, sat
+1
−5
Feels like
−9
727 mmHg
43%
3.7
m/s
E
Climate normal
+6
+4
11 January, Saturday. day, 1°; night, -5°; clear
12
+2
−4
12 January, sun
+2
−4
Feels like
−6
726 mmHg
49%
2.4
m/s
SW
Climate normal
+7
+6
12 January, Sunday. day, 2°; night, -4°; partly cloudy
13
+3
+3
13 January, mon
+3
+3
Feels like
−2
723 mmHg
67%
2.7
m/s
S
Climate normal
+7
+5
13 January, Monday. day, 3°; night, 3°; partly cloudy
14
+3
+1
14 January, tue
+3
+1
Feels like
−2
717 mmHg
100%
4.7
m/s
SW
Climate normal
+6
+5
14 January, Tuesday. day, 3°; night, 1°; sleet
15
+4
+2
15 January, wed
+4
+2
Feels like
−1
713 mmHg
100%
5.6
m/s
S
Climate normal
+6
+4
15 January, Wednesday. day, 4°; night, 2°; rain
16
+4
+3
16 January, thu
+4
+3
Feels like
−5
710 mmHg
98%
9.4
m/s
S
Climate normal
+6
+4
16 January, Thursday. day, 4°; night, 3°; rain
17
+3
+2
17 January, fri
+3
+2
Feels like
−3
718 mmHg
100%
6.5
m/s
SW
Climate normal
+6
+5
17 January, Friday. day, 3°; night, 2°; rain
18
+3
+6
18 January, sat
+3
+6
Feels like
−4
715 mmHg
100%
5.6
m/s
SE
Climate normal
+8
+6
18 January, Saturday. day, 3°; night, 6°; rain
19
+7
+6
19 January, sun
+7
+6
Feels like
+2
709 mmHg
98%
6.3
m/s
S
Climate normal
+7
+5
19 January, Sunday. day, 7°; night, 6°; rain
20
+5
−3
20 January, mon
+5
−3
Feels like
−7
718 mmHg
97%
9.1
m/s
W
Climate normal
+7
+5
20 January, Monday. day, 5°; night, -3°; sleet
21
+1
+1
21 January, tue
+1
+1
Feels like
−5
729 mmHg
97%
4.3
m/s
S
Climate normal
+7
+5
21 January, Tuesday. day, 1°; night, 1°; sleet
22
+5
+1
22 January, wed
+5
+1
Feels like
−1
724 mmHg
99%
3.4
m/s
E
Climate normal
+7
+4
22 January, Wednesday. day, 5°; night, 1°; partly cloudy
23
+8
+2
23 January, thu
+8
+2
Feels like
+1
719 mmHg
92%
5.1
m/s
SW
Climate normal
+7
+4
23 January, Thursday. day, 8°; night, 2°; rain
24
+3
−3
24 January, fri
+3
−3
Feels like
−2
726 mmHg
97%
3.8
m/s
W
Climate normal
+8
+7
24 January, Friday. day, 3°; night, -3°; light rain
25
+4
−1
25 January, sat
+4
−1
Feels like
−2
725 mmHg
94%
3.2
m/s
E
Climate normal
+9
+6
25 January, Saturday. day, 4°; night, -1°; mostly clear
Average for 30 days
5
sunny days
18
days with precipitation
7
cloudy days
5 sunny days; 18 days with precipitation; 7 cloudy days;
84
%
air humidity
4.2
m/s
Wind
S
85
mm of precipitation
(10% of annual average)
air humidity 84%; 85 millimeters of precipitation (10% of annual average); Wind southerly 4.2 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
S
S
S
SE
E
E
E
SW
S
NE
N
NW
NE
E
E
E
SW
S
SW
S
S
SW
SE
S
W
S
E
SW
W
E
27
Average data for 10 years
28
29
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
Daytime temperature
Night-time temperature
