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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
30
+26
+18
30 June, Sunday. day, 26°; night, 18°; clear
1 July
+26
+18
1 July, Monday. day, 26°; night, 18°; clear
2
+25
+17
2 July, Tuesday. day, 25°; night, 17°; clear
3
+25
+17
3 July, Wednesday. day, 25°; night, 17°; clear
4
+24
+17
4 July, Thursday. day, 24°; night, 17°; clear
5
July
+37
+16
5 July, Friday. day, 37°; night, 16°; clear
6
+37
+16
6 July, Saturday. day, 37°; night, 16°; clear
7
+37
+17
7 July, Sunday. day, 37°; night, 17°; clear
8
+38
+19
8 July, Monday. day, 38°; night, 19°; clear
9
+37
+17
9 July, Tuesday. day, 37°; night, 17°; light rain
10
+31
+14
10 July, Wednesday. day, 31°; night, 14°; clear
11
+30
+14
11 July, Thursday. day, 30°; night, 14°; mostly clear
12
+31
+14
12 July, Friday. day, 31°; night, 14°; clear
13
+30
+14
13 July, Saturday. day, 30°; night, 14°; clear
14
+29
+15
14 July, Sunday. day, 29°; night, 15°; clear
15
+28
+16
15 July, Monday. day, 28°; night, 16°; light rain
16
+28
+15
16 July, Tuesday. day, 28°; night, 15°; light rain
17
+28
+9
17 July, Wednesday. day, 28°; night, 9°; partly cloudy
18
+28
+8
18 July, Thursday. day, 28°; night, 8°; clear
19
+30
+13
19 July, Friday. day, 30°; night, 13°; mostly clear
20
+30
+14
20 July, Saturday. day, 30°; night, 14°; partly cloudy
21
+26
+12
21 July, Sunday. day, 26°; night, 12°; partly cloudy
22
+30
+15
22 July, Monday. day, 30°; night, 15°; clear
23
+32
+15
23 July, Tuesday. day, 32°; night, 15°; clear
24
+34
+16
24 July, Wednesday. day, 34°; night, 16°; partly cloudy
25
+37
+22
25 July, Thursday. day, 37°; night, 22°; mostly clear
26
+31
+16
26 July, Friday. day, 31°; night, 16°; partly cloudy
27
+33
+18
27 July, Saturday. day, 33°; night, 18°; mostly clear
28
+24
+15
28 July, Sunday. day, 24°; night, 15°; partly cloudy
29
+24
+9
29 July, Monday. day, 24°; night, 9°; mostly clear
30
+25
+8
30 July, Tuesday. day, 25°; night, 8°; clear
31
+22
+14
31 July, Wednesday. day, 22°; night, 14°; partly cloudy
1 August
+23
+10
1 August, Thursday. day, 23°; night, 10°; partly cloudy
2
+28
+12
2 August, Friday. day, 28°; night, 12°; clear
3
+31
+16
3 August, Saturday. day, 31°; night, 16°; mostly clear
Average for 30 days
20
sunny days
2
days with precipitation
8
cloudy days
20 sunny days; 2 days with precipitation; 8 cloudy days;
54
%
air humidity
3.9
m/s
Wind
NW
0.3
mm of precipitation
(1% of annual average)
air humidity 54%; 0.3 millimeters of precipitation (1% of annual average); Wind north-westerly 3.9 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
N
N
N
N
NW
NW
N
NW
NW
NW
NW
NE
W
W
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
W
W
NW
W
NW
5
Average data for 10 years
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
1
August
2
3
Daytime temperature
Night-time temperature