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Monthly forecast
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Monthly weather forecast in Porvoo
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
+12
+10
22 September, sun
+12
+10
Feels like
+9
758 mmHg
77%
5.6
m/s
W
+14
22 September, Sunday. day, 12°; night, 10°; overcast
23
+12
+9
23 September, mon
+12
+9
Feels like
+8
758 mmHg
76%
5.6
m/s
N
+14
23 September, Monday. day, 12°; night, 9°; clear
24
+12
+9
24 September, tue
+12
+9
Feels like
+9
760 mmHg
79%
5.5
m/s
NW
+14
24 September, Tuesday. day, 12°; night, 9°; rain
25
+12
+9
25 September, wed
+12
+9
Feels like
+9
762 mmHg
82%
5
m/s
NW
+14
25 September, Wednesday. day, 12°; night, 9°; overcast
26
+13
+10
26 September, thu
+13
+10
Feels like
+10
762 mmHg
80%
5.5
m/s
W
+14
26 September, Thursday. day, 13°; night, 10°; overcast
27
+12
+9
27 September, fri
+12
+9
Feels like
+9
761 mmHg
77%
5.5
m/s
NW
+13
27 September, Friday. day, 12°; night, 9°; clear
28
September
+12
+6
28 September, sat
+12
+6
Feels like
+7
745 mmHg
87%
4.9
m/s
W
+16
Climate normal
+11
+9
28 September, Saturday. day, 12°; night, 6°; light rain
29
+11
+2
29 September, sun
+11
+2
Feels like
+4
757 mmHg
76%
4.3
m/s
W
+16
Climate normal
+12
+8
29 September, Sunday. day, 11°; night, 2°; light rain
30
+12
+2
30 September, mon
+12
+2
Feels like
+3
769 mmHg
66%
2.8
m/s
W
+15
Climate normal
+11
+7
30 September, Monday. day, 12°; night, 2°; clear
1 October
+12
+4
1 October, tue
+12
+4
Feels like
+5
770 mmHg
67%
3.3
m/s
SE
+15
Climate normal
+11
+7
1 October, Tuesday. day, 12°; night, 4°; partly cloudy
2
+8
+5
2 October, wed
+8
+5
Feels like
+3
761 mmHg
82%
3.4
m/s
NE
+14
Climate normal
+11
+8
2 October, Wednesday. day, 8°; night, 5°; rain
3
+11
+4
3 October, thu
+11
+4
Feels like
+5
762 mmHg
81%
3.3
m/s
NW
+14
Climate normal
+12
+8
3 October, Thursday. day, 11°; night, 4°; partly cloudy
4
+12
+6
4 October, fri
+12
+6
Feels like
+4
762 mmHg
81%
4.1
m/s
W
+14
Climate normal
+10
+8
4 October, Friday. day, 12°; night, 6°; overcast
5
+9
+5
5 October, sat
+9
+5
Feels like
+4
755 mmHg
83%
4.4
m/s
SW
+13
Climate normal
+10
+7
5 October, Saturday. day, 9°; night, 5°; light rain
6
+9
+5
6 October, sun
+9
+5
Feels like
+3
754 mmHg
80%
3.9
m/s
W
+13
Climate normal
+10
+7
6 October, Sunday. day, 9°; night, 5°; light rain
7
+9
+6
7 October, mon
+9
+6
Feels like
+3
752 mmHg
81%
4.4
m/s
SE
+13
Climate normal
+10
+7
7 October, Monday. day, 9°; night, 6°; rain
8
+9
+8
8 October, tue
+9
+8
Feels like
+4
754 mmHg
84%
4.8
m/s
S
Climate normal
+9
+7
8 October, Tuesday. day, 9°; night, 8°; light rain
9
+10
+7
9 October, wed
+10
+7
Feels like
+4
752 mmHg
80%
5.2
m/s
SW
Climate normal
+9
+7
9 October, Wednesday. day, 10°; night, 7°; overcast
10
+12
+13
10 October, thu
+12
+13
Feels like
−1
753 mmHg
79%
10.7
m/s
SW
Climate normal
+8
+6
10 October, Thursday. day, 12°; night, 13°; overcast
11
+14
+13
11 October, fri
+14
+13
Feels like
+7
760 mmHg
81%
9
m/s
W
Climate normal
+7
+6
11 October, Friday. day, 14°; night, 13°; mostly clear
12
+12
+6
12 October, sat
+12
+6
Feels like
+5
759 mmHg
78%
8.2
m/s
NE
Climate normal
+7
+5
12 October, Saturday. day, 12°; night, 6°; partly cloudy
13
+5
+4
13 October, sun
+5
+4
Feels like
−2
762 mmHg
61%
5.4
m/s
NE
Climate normal
+7
+4
13 October, Sunday. day, 5°; night, 4°; mostly clear
14
+5
+4
14 October, mon
+5
+4
Feels like
0
765 mmHg
58%
4.1
m/s
N
Climate normal
+7
+4
14 October, Monday. day, 5°; night, 4°; mostly clear
15
+6
+4
15 October, tue
+6
+4
Feels like
0
765 mmHg
57%
3.5
m/s
S
Climate normal
+7
+4
15 October, Tuesday. day, 6°; night, 4°; clear
16
+5
+3
16 October, wed
+5
+3
Feels like
−3
762 mmHg
66%
7.4
m/s
SE
Climate normal
+7
+5
16 October, Wednesday. day, 5°; night, 3°; clear
17
+5
+2
17 October, thu
+5
+2
Feels like
−5
758 mmHg
82%
10.2
m/s
NE
Climate normal
+6
+6
17 October, Thursday. day, 5°; night, 2°; partly cloudy
18
+2
+1
18 October, fri
+2
+1
Feels like
−8
765 mmHg
76%
9.4
m/s
NE
Climate normal
+7
+5
18 October, Friday. day, 2°; night, 1°; partly cloudy
19
+4
+2
19 October, sat
+4
+2
Feels like
−4
770 mmHg
72%
7.1
m/s
S
Climate normal
+7
+5
19 October, Saturday. day, 4°; night, 2°; clear
20
+3
+4
20 October, sun
+3
+4
Feels like
−8
760 mmHg
85%
11.4
m/s
S
Climate normal
+5
+4
20 October, Sunday. day, 3°; night, 4°; partly cloudy
21
+9
+11
21 October, mon
+9
+11
Feels like
−3
748 mmHg
90%
14.2
m/s
S
Climate normal
+5
+3
21 October, Monday. day, 9°; night, 11°; rain
22
+12
+10
22 October, tue
+12
+10
Feels like
+3
749 mmHg
88%
11.5
m/s
SW
Climate normal
+6
+3
22 October, Tuesday. day, 12°; night, 10°; rain
23
+7
+3
23 October, wed
+7
+3
Feels like
+1
757 mmHg
88%
4.9
m/s
N
Climate normal
+6
+4
23 October, Wednesday. day, 7°; night, 3°; light rain
24
+2
+1
24 October, thu
+2
+1
Feels like
−4
766 mmHg
79%
5.1
m/s
N
Climate normal
+6
+5
24 October, Thursday. day, 2°; night, 1°; partly cloudy
25
+3
+2
25 October, fri
+3
+2
Feels like
−3
775 mmHg
78%
3.9
m/s
NE
Climate normal
+6
+4
25 October, Friday. day, 3°; night, 2°; clear
26
+4
+3
26 October, sat
+4
+3
Feels like
−4
775 mmHg
79%
6.7
m/s
SE
Climate normal
+6
+4
26 October, Saturday. day, 4°; night, 3°; mostly clear
Average for 30 days
9
sunny days
10
days with precipitation
11
cloudy days
9 sunny days; 10 days with precipitation; 11 cloudy days;
78
%
air humidity
6.2
m/s
Wind
W
21
mm of precipitation
(4% of annual average)
+14
°C
Water temperature
air humidity 78%; 21 millimeters of precipitation (4% of annual average); Wind westerly 6.2 Meters per second; Water temperature +14°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
W
W
SE
NE
NW
W
SW
W
SE
S
SW
SW
W
NE
NE
N
S
SE
NE
NE
S
S
S
SW
N
N
NE
SE
SW
28
Average data for 10 years
29
30
1
October
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
