Porvoo (Finland) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 11° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 11° Celsius; -
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 12° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 12° Celsius; -
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 10° Celsius;
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 14° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 14° Celsius; -
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 9° Celsius; -
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 6° Celsius;
-
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 5° Celsius;
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 5° Celsius;
Light showers changing to thunder showers by lunchtime.
Sunrise:
Sunset:
M UV
No pollution data.
No pollen data.
7 day forecast for Porvoo
Today (17 September 2025)
| Time |
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
 |
|
 |
 |
|
 |
|
|
|
|
| Chance of precipitation |
90%
|
50%
|
90%
|
80%
|
60%
|
40%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
13°
|
13°
|
13°
|
13°
|
| Feels like temperature (°C) |
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
13°
|
12°
|
12°
|
11°
|
12°
|
| Wind direction and speed |
SSW
7
|
SSW
8
|
SSW
8
|
SSW
9
|
SW
8
|
SW
8
|
SW
8
|
SW
7
|
SW
8
|
SW
8
|
SW
8
|
SW
7
|
SW
6
|
| Wind gust (mph) |
19
|
19
|
20
|
20
|
18
|
17
|
17
|
15
|
16
|
16
|
16
|
14
|
13
|
| Visibility |
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
| Humidity |
95%
|
92%
|
92%
|
90%
|
88%
|
86%
|
86%
|
86%
|
91%
|
93%
|
93%
|
93%
|
93%
|
| UV | 2 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - |
Friday (18 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
 |
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
20%
|
10%
|
10%
|
20%
|
20%
|
20%
|
20%
|
10%
|
10%
|
10%
|
20%
|
20%
|
20%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
12°
|
12°
|
11°
|
12°
|
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
13°
|
14°
|
14°
|
15°
|
16°
|
16°
|
16°
|
16°
|
15°
|
14°
|
13°
|
12°
|
12°
|
12°
|
| Feels like temperature (°C) |
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
12°
|
13°
|
13°
|
14°
|
15°
|
15°
|
15°
|
16°
|
16°
|
15°
|
14°
|
12°
|
12°
|
11°
|
11°
|
| Wind direction and speed (mph) |
SW
6
|
SW
5
|
SSW
5
|
SSW
4
|
SSW
4
|
SSW
3
|
SW
3
|
WSW
3
|
NW
3
|
NNW
4
|
NNW
4
|
NNW
4
|
NNW
5
|
NW
6
|
NW
7
|
NW
6
|
NW
6
|
NW
5
|
WNW
4
|
W
5
|
W
5
|
W
5
|
W
5
|
WSW
6
|
| Wind gust (mph) |
10
|
10
|
9
|
8
|
7
|
7
|
7
|
7
|
9
|
11
|
11
|
13
|
15
|
15
|
16
|
15
|
14
|
11
|
9
|
9
|
9
|
10
|
11
|
12
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
M
|
M
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
| Humidity |
95%
|
96%
|
97%
|
98%
|
98%
|
99%
|
99%
|
99%
|
98%
|
96%
|
92%
|
87%
|
79%
|
77%
|
73%
|
71%
|
73%
|
75%
|
84%
|
87%
|
92%
|
93%
|
94%
|
96%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - |
Saturday (19 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
10%
|
20%
|
40%
|
40%
|
40%
|
40%
|
40%
|
30%
|
30%
|
10%
|
20%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
12°
|
12°
|
12°
|
12°
|
13°
|
13°
|
14°
|
14°
|
14°
|
15°
|
15°
|
16°
|
16°
|
17°
|
17°
|
17°
|
17°
|
17°
|
16°
|
15°
|
14°
|
13°
|
13°
|
12°
|
| Feels like temperature (°C) |
11°
|
11°
|
11°
|
11°
|
12°
|
12°
|
13°
|
13°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
14°
|
13°
|
12°
|
12°
|
11°
|
11°
|
| Wind direction and speed (mph) |
WSW
6
|
WSW
6
|
SW
6
|
SW
6
|
SW
7
|
SW
8
|
SSW
8
|
SW
9
|
SW
10
|
SW
11
|
SW
11
|
WSW
12
|
WSW
13
|
W
13
|
W
13
|
W
13
|
W
12
|
W
10
|
W
10
|
W
9
|
W
9
|
W
9
|
W
8
|
W
8
|
| Wind gust (mph) |
12
|
12
|
12
|
14
|
16
|
17
|
20
|
22
|
23
|
25
|
26
|
28
|
30
|
30
|
29
|
29
|
26
|
23
|
20
|
19
|
18
|
18
|
17
|
16
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
96%
|
96%
|
97%
|
97%
|
97%
|
97%
|
97%
|
97%
|
97%
|
96%
|
95%
|
92%
|
87%
|
79%
|
76%
|
70%
|
68%
|
68%
|
74%
|
77%
|
84%
|
84%
|
86%
|
88%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - |
Sunday (20 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
 |
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
10%
|
30%
|
30%
|
30%
|
20%
|
30%
|
20%
|
20%
|
20%
|
30%
|
30%
|
40%
|
30%
|
30%
|
20%
|
20%
|
| Temperature (°C) |
12°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
10°
|
11°
|
13°
|
13°
|
14°
|
15°
|
15°
|
15°
|
15°
|
16°
|
16°
|
15°
|
16°
|
16°
|
15°
|
15°
|
15°
|
| Feels like temperature (°C) |
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
10°
|
10°
|
12°
|
13°
|
13°
|
13°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
| Wind direction and speed (mph) |
W
8
|
WSW
7
|
WSW
6
|
WSW
6
|
WSW
6
|
SW
5
|
SW
5
|
SW
5
|
SSW
4
|
SSW
5
|
S
5
|
S
7
|
S
8
|
S
9
|
S
8
|
SSW
9
|
SSW
9
|
SSW
10
|
SSW
10
|
SSW
10
|
SW
11
|
SW
11
|
SW
11
|
SW
10
|
| Wind gust (mph) |
15
|
13
|
12
|
12
|
11
|
10
|
10
|
10
|
10
|
13
|
16
|
18
|
18
|
19
|
21
|
22
|
22
|
21
|
22
|
23
|
25
|
25
|
24
|
23
|
| Visibility (description) |
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
90%
|
92%
|
93%
|
94%
|
95%
|
97%
|
96%
|
97%
|
96%
|
94%
|
94%
|
91%
|
90%
|
92%
|
94%
|
91%
|
92%
|
92%
|
93%
|
94%
|
94%
|
94%
|
96%
|
96%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - | - |
Monday (21 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
30%
|
20%
|
20%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
10%
|
20%
|
30%
|
20%
|
20%
|
10%
|
20%
|
10%
|
20%
|
10%
|
10%
|
<5%
|
| Temperature (°C) |
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
14°
|
14°
|
14°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
14°
|
13°
|
13°
|
12°
|
12°
|
12°
|
| Feels like temperature (°C) |
14°
|
14°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
12°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
13°
|
12°
|
12°
|
11°
|
11°
|
11°
|
10°
|
10°
|
| Wind direction and speed (mph) |
SW
11
|
SW
10
|
SW
10
|
WSW
10
|
WSW
9
|
WSW
9
|
WSW
9
|
SW
8
|
SW
9
|
SW
10
|
SW
10
|
SW
10
|
WSW
11
|
WSW
11
|
WSW
11
|
WSW
12
|
WSW
11
|
WSW
10
|
WSW
10
|
WSW
9
|
WSW
9
|
WSW
9
|
WSW
9
|
WSW
9
|
| Wind gust (mph) |
23
|
23
|
22
|
20
|
20
|
19
|
18
|
19
|
20
|
21
|
22
|
24
|
25
|
27
|
28
|
27
|
25
|
23
|
22
|
20
|
19
|
18
|
19
|
18
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
96%
|
96%
|
95%
|
95%
|
95%
|
95%
|
95%
|
95%
|
94%
|
91%
|
88%
|
87%
|
82%
|
79%
|
78%
|
76%
|
75%
|
78%
|
82%
|
83%
|
85%
|
88%
|
89%
|
87%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | - | - | - | - |
Tuesday (22 September 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
<5%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
11°
|
11°
|
11°
|
10°
|
9°
|
10°
|
12°
|
13°
|
11°
|
9°
|
| Feels like temperature (°C) |
10°
|
9°
|
9°
|
9°
|
7°
|
8°
|
10°
|
11°
|
10°
|
7°
|
| Wind direction and speed (mph) |
WSW
9
|
WSW
9
|
W
9
|
W
8
|
W
8
|
W
10
|
W
11
|
W
10
|
W
8
|
W
8
|
| Wind gust (mph) |
19
|
19
|
18
|
18
|
22
|
27
|
27
|
24
|
17
|
18
|
| Visibility (description) |
VG
|
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
87%
|
88%
|
88%
|
88%
|
88%
|
83%
|
66%
|
58%
|
70%
|
79%
|
| UV | - | - | - | - | - | 1 | 2 | 2 | 1 | - |
Wednesday (23 September 2025)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
8°
|
7°
|
7°
|
7°
|
10°
|
11°
|
10°
|
8°
|
| Feels like temperature (°C) |
6°
|
5°
|
4°
|
5°
|
8°
|
9°
|
8°
|
6°
|
| Wind direction and speed (mph) |
WNW
8
|
WNW
8
|
NW
8
|
NW
8
|
NW
10
|
NW
10
|
NW
8
|
NW
7
|
| Wind gust (mph) |
17
|
17
|
18
|
23
|
23
|
22
|
17
|
16
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
86%
|
87%
|
88%
|
82%
|
62%
|
54%
|
68%
|
79%
|
| UV | - | - | - | 1 | 2 | 1 | 1 | - |
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Forecast for 11:00 (UTC+3), Thu
Updated 07:28 (UTC+1) on Thu 18 Sep 2025
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