Bialystok weather live forecast

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

Monday
17th Aug
21

12

5

4
Tuesday
18th Aug
18

11

6

3
Wednesday
19th Aug
21

10

3

4
Thursday
20th Aug
24

14

5

5
Friday
21st Aug
25

15

1

5

5-day weather forecast updated at 04:00 on Sunday 16th August 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 Monday 17th August 2026

Expect mostly cloudy with light rain in Bialystok, Poland with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a light breeze of 7 kph from the west.

21
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
4
UV index (Moderate)
31
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
7
kph wind from W

Bialystok weather for Tuesday 18th August 2026

Expect sunshine and showers in Bialystok, Poland with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 57% chance of some rain and a light breeze of 9 kph from the west.

18
°C maximum temperature
11
°C minimum temperature
sunshine and showers
6
hours of sunshine
3
UV index (Moderate)
57
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
9
kph wind from W

Bialystok weather for Wednesday 19th August 2026

Expect mostly cloudy with light rain in Bialystok, Poland with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a light breeze of 10 kph from the south-west.

21
°C maximum temperature
10
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
4
UV index (Moderate)
33
% chance of some rain
<2
mm of rainfall expected
21
°C wind chill
10
kph wind from SW

Bialystok weather for Thursday 20th August 2026

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

24
°C maximum temperature
14
°C minimum temperature
broken clouds
5
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
10
kph wind from SW

Bialystok weather for Friday 21st August 2026

Expect mostly cloudy with light rain in Bialystok, Poland with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 59% chance of some rain and a light breeze of 10 kph from the north.