Koszalin weather live forecast

Today's maximum temperature in Koszalin is expected to be 21°C. Select a day from the live weather forecast for Koszalin, Poland for more weather parameters.

Monday
31st Aug
21

16

4

4
Tuesday
1st Sep
18

14

3

2
Wednesday
2nd Sep
20

15

4

4
Thursday
3rd Sep
19

15

1

2
Friday
4th Sep
18

15

3

2

5-day weather forecast updated at 04:00 on Sunday 30th August 2026 GMT

More about Koszalin

Koszalin by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Poland

Intrepid Travel discount code: £200 off small group tours

Discount Code

Save EXTRA £200 on select small group tours worldwide
Min spend of £1,500 per person. T&Cs apply
Travel before 30th June 2027 (inclusive)

Show discount code

******011

Redeem Intrepid Travel discount code >>

Expires at 23:59 on Monday 31st Aug 2026 · View all Intrepid Travel offers

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 31st August 2026

Expect isolated thunderstorms in Koszalin, Poland with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 83% chance of some rain and a light breeze of 11 kph from the south.

21
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
4
UV index (Moderate)
83
% chance of some rain
<5
mm of rainfall expected
21
°C wind chill
11
kph wind from S

Koszalin weather for Tuesday 1st September 2026

Expect mostly cloudy with light rain in Koszalin, Poland with a maximum temperature of 18°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 72% chance of some rain and a gentle breeze of 17 kph from the west.

18
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
2
UV index (Low)
72
% chance of some rain
<5
mm of rainfall expected
18
°C wind chill
17
kph wind from W

Koszalin weather for Wednesday 2nd September 2026

Expect mostly cloudy with light rain in Koszalin, Poland with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 38% chance of some rain and a gentle breeze of 16 kph from the west.

20
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
4
UV index (Moderate)
38
% chance of some rain
<2
mm of rainfall expected
20
°C wind chill
16
kph wind from W

Koszalin weather for Thursday 3rd September 2026

Expect mostly cloudy with rain in Koszalin, Poland with a maximum temperature of 19°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 79% chance of some rain and a gentle breeze of 19 kph from the south-west.

19
°C maximum temperature
15
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
2
UV index (Low)
79
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
19
kph wind from SW

Koszalin weather for Friday 4th September 2026

Expect isolated thunderstorms in Koszalin, Poland with a maximum temperature of 18°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 91% chance of some rain and a gentle breeze of 17 kph from the west.