Bialystok weather live forecast

Today's maximum temperature in Bialystok is expected to be 17°C. Select a day from the live weather forecast for Bialystok, Poland for more weather parameters.

Sunday
17th May
17

11

3

3
Monday
18th May
16

10

2

4
Tuesday
19th May
18

10

5

5
Wednesday
20th May
20

10

13

5
Thursday
21st May
22

10

8

5

5-day weather forecast updated at 04:00 on Sunday 17th May 2026 GMT

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

Bialystok weather forecast by day

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

Bialystok weather for Sunday 17th May 2026

Expect mostly cloudy with light rain in Bialystok, Poland with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 39% chance of some rain and a gentle breeze of 13 kph from the north.

17
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
3
UV index (Moderate)
39
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
13
kph wind from N

Bialystok weather for Monday 18th May 2026

Expect isolated thunderstorms in Bialystok, Poland with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 75% chance of some rain and a light breeze of 10 kph from the north.

16
°C maximum temperature
10
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
4
UV index (Moderate)
75
% chance of some rain
<5
mm of rainfall expected
16
°C wind chill
10
kph wind from N

Bialystok weather for Tuesday 19th May 2026

Expect mostly cloudy with light rain in Bialystok, Poland with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 35% chance of some rain and a light breeze of 8 kph from the west.

18
°C maximum temperature
10
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
5
UV index (Moderate)
35
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
8
kph wind from W

Bialystok weather for Wednesday 20th May 2026

Expect sunshine and showers in Bialystok, Poland with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 13 hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and little or no wind of 6 kph from the north-west.

20
°C maximum temperature
10
°C minimum temperature
sunshine and showers
13
hours of sunshine
5
UV index (Moderate)
27
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
6
kph wind from NW

Bialystok weather for Thursday 21st May 2026

Expect broken clouds in Bialystok, Poland with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-west.