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.

Tuesday
4th Aug
28

16

11

5
Wednesday
5th Aug
27

20

7

4
Thursday
6th Aug
24

18

7

6
Friday
7th Aug
19

15

4

4
Saturday
8th Aug
18

14

9

6

5-day weather forecast updated at 04:00 on Monday 3rd 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 Tuesday 4th August 2026

Expect scattered clouds in Koszalin, Poland with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the east.

28
°C maximum temperature
16
°C minimum temperature
scattered clouds
11
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
12
kph wind from E

Koszalin weather for Wednesday 5th August 2026

Expect isolated thunderstorms in Koszalin, Poland with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 40% chance of some rain and a light breeze of 12 kph from the south-east.

27
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
4
UV index (Moderate)
40
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
12
kph wind from SE

Koszalin weather for Thursday 6th August 2026

Expect isolated thunderstorms in Koszalin, Poland with a maximum temperature of 24°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a light breeze of 9 kph from the north-west.

24
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
6
UV index (High)
36
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
9
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 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the west.

19
°C maximum temperature
15
°C minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
15
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 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north-west.