Koszalin weather live forecast

Today's maximum temperature in Koszalin is expected to be 28°C. Select a day from the live weather forecast for Koszalin, Poland for more weather parameters.

Wednesday
5th Aug
28

20

8

4
Thursday
6th Aug
23

17

6

6
Friday
7th Aug
19

15

6

5
Saturday
8th Aug
18

13

9

4
Sunday
9th Aug
24

10

4

5

5-day weather forecast updated at 04:00 on Tuesday 4th 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 Wednesday 5th August 2026

Expect isolated thunderstorms in Koszalin, Poland with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 47% chance of some rain and a light breeze of 12 kph from the south.

28
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
4
UV index (Moderate)
47
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
12
kph wind from S

Koszalin weather for Thursday 6th August 2026

Expect isolated thunderstorms in Koszalin, Poland with a maximum temperature of 23°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 33% chance of some rain and a light breeze of 10 kph from the north-west.

23
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
6
UV index (High)
33
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
10
kph wind from NW

Koszalin weather for Friday 7th August 2026

Expect broken clouds in Koszalin, Poland with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the west.

19
°C maximum temperature
15
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
18
kph wind from W

Koszalin weather for Saturday 8th August 2026

Expect scattered clouds in Koszalin, Poland with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-west.

18
°C maximum temperature
13
°C minimum temperature
scattered clouds
9
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from NW

Koszalin weather for Sunday 9th August 2026

Expect broken clouds in Koszalin, Poland with a maximum temperature of 24°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-east.