Koszalin weather live forecast

Today's maximum temperature in Koszalin is expected to be 18°C. Select a day from the live weather forecast for Koszalin, Poland for more weather parameters.

Monday
11th May
18

8

1

4
Tuesday
12th May
10

7

8

2
Wednesday
13th May
12

7

7

3
Thursday
14th May
14

7

5

3
Friday
15th May
16

7

6

4

5-day weather forecast updated at 04:00 on Sunday 10th May 2026 GMT

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The 5-day weather forecast for Poland (Koszalin) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Koszalin weather forecast by day

Below are the detailed weather forecasts for Koszalin for the next 5 days.

Koszalin weather for Monday 11th May 2026

Expect isolated thunderstorms in Koszalin, Poland with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 77% chance of some rain and a gentle breeze of 17 kph from the south-east.

18
°C maximum temperature
8
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
4
UV index (Moderate)
77
% chance of some rain
<5
mm of rainfall expected
18
°C wind chill
17
kph wind from SE

Koszalin weather for Tuesday 12th May 2026

Expect broken clouds in Koszalin, Poland with a maximum temperature of 10°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the west.

10
°C maximum temperature
7
°C minimum temperature
broken clouds
8
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
19
kph wind from W

Koszalin weather for Wednesday 13th May 2026

Expect sunshine and showers in Koszalin, Poland with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 51% chance of some rain and a gentle breeze of 15 kph from the west.

12
°C maximum temperature
7
°C minimum temperature
sunshine and showers
7
hours of sunshine
3
UV index (Moderate)
51
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
15
kph wind from W

Koszalin weather for Thursday 14th May 2026

Expect mostly cloudy with light rain in Koszalin, Poland with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 72% chance of some rain and a light breeze of 12 kph from the south.

14
°C maximum temperature
7
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
3
UV index (Moderate)
72
% chance of some rain
<5
mm of rainfall expected
14
°C wind chill
12
kph wind from S

Koszalin weather for Friday 15th May 2026

Expect broken clouds in Koszalin, Poland with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.