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
17th Aug
18

14

3

3
Tuesday
18th Aug
17

13

4

3
Wednesday
19th Aug
17

11

2

4
Thursday
20th Aug
21

14

8

4
Friday
21st Aug
22

14

2

4

5-day weather forecast updated at 04:00 on Monday 17th August 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 17th August 2026

Expect mostly cloudy with light rain in Koszalin, Poland with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a light breeze of 12 kph from the south-west.

18
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
3
UV index (Moderate)
34
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
12
kph wind from SW

Koszalin weather for Tuesday 18th August 2026

Expect mostly cloudy with light rain in Koszalin, Poland with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 81% chance of some rain and a gentle breeze of 19 kph from the west.

17
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
3
UV index (Moderate)
81
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
19
kph wind from W

Koszalin weather for Wednesday 19th August 2026

Expect mostly cloudy with light rain in Koszalin, Poland with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 79% chance of some rain and a gentle breeze of 14 kph from the south-west.

17
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
4
UV index (Moderate)
79
% chance of some rain
<5
mm of rainfall expected
17
°C wind chill
14
kph wind from SW

Koszalin weather for Thursday 20th August 2026

Expect sunshine and showers in Koszalin, Poland with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 49% chance of some rain and a light breeze of 12 kph from the south-west.

21
°C maximum temperature
14
°C minimum temperature
sunshine and showers
8
hours of sunshine
4
UV index (Moderate)
49
% chance of some rain
<5
mm of rainfall expected
21
°C wind chill
12
kph wind from SW

Koszalin weather for Friday 21st August 2026

Expect isolated thunderstorms in Koszalin, Poland with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 61% chance of some rain and a light breeze of 10 kph from the south-west.