Weather forecast for 10 daysSejny, Poland

10-day overview

Daily temperatures

Warmest period: today - Thursday 10°C.
Coldest day: Wednesday 04.11. 6°C.

Chance of precipitation

Highest chance: today 73%.

Long-term weather forecast

  • Monday
  • 26. Oct 2026
  • 10°C
  • 1°C
AM Light Rain
AM Light Rain
  • Precip. probability: 73%
  • Precipitation: 1mm
  • Wind: 11km/hWSW 244°
  • Humidity: 93%
  • UV index: 1
  • Sunrise: 06:15 CET
  • Sunset: 16:05 CET
  • ▼
  • Tuesday
  • 27. Oct 2026
  • 10°C
  • 3°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 8km/hS 187°
  • Humidity: 91%
  • UV index: 1
  • Sunrise: 06:17 CET
  • Sunset: 16:03 CET
  • ▼
  • Wednesday
  • 28. Oct 2026
  • 10°C
  • 6°C
Cloudy
Cloudy
  • Precip. probability: 20%
  • Precipitation: 0mm
  • Wind: 10km/hSE 145°
  • Humidity: 94%
  • UV index: 1
  • Sunrise: 06:19 CET
  • Sunset: 16:01 CET
  • ▼
  • Thursday
  • 29. Oct 2026
  • 10°C
  • 6°C
AM Fog / PM Clouds
AM Fog / PM Clouds
  • Precip. probability: 20%
  • Precipitation: 0mm
  • Wind: 7km/hW 279°
  • Humidity: 94%
  • UV index: 1
  • Sunrise: 06:21 CET
  • Sunset: 15:58 CET
  • ▼
  • Friday
  • 30. Oct 2026
  • 9°C
  • 5°C
AM Fog / PM Clouds
AM Fog / PM Clouds
  • Precip. probability: 21%
  • Precipitation: 0mm
  • Wind: 11km/hW 277°
  • Humidity: 96%
  • UV index: 1
  • Sunrise: 06:23 CET
  • Sunset: 15:56 CET
  • ▼
  • Saturday
  • 31. Oct 2026
  • 9°C
  • 4°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 12km/hNNW 338°
  • Humidity: 91%
  • UV index: 1
  • Sunrise: 06:25 CET
  • Sunset: 15:54 CET
  • ▼
  • Sunday
  • 1. Nov 2026
  • 8°C
  • 4°C
Cloudy
Cloudy
  • Precip. probability: 20%
  • Precipitation: 0mm
  • Wind: 11km/hNNE 14°
  • Humidity: 88%
  • UV index: 1
  • Sunrise: 06:27 CET
  • Sunset: 15:52 CET
  • ▼
  • Monday
  • 2. Nov 2026
  • 8°C
  • 4°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 13km/hWNW 297°
  • Humidity: 90%
  • UV index: 1
  • Sunrise: 06:29 CET
  • Sunset: 15:50 CET
  • ▼
  • Tuesday
  • 3. Nov 2026
  • 7°C
  • 3°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0mm
  • Wind: 14km/hN 355°
  • Humidity: 89%
  • UV index: 1
  • Sunrise: 06:31 CET
  • Sunset: 15:48 CET
  • ▼
  • Wednesday
  • 4. Nov 2026
  • 6°C
  • 2°C
Cloudy
Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 15km/hN 356°
  • Humidity: 87%
  • UV index: 1
  • Sunrise: 06:33 CET
  • Sunset: 15:46 CET
  • ▼
Primarily cloudy and occasionally foggy and showery weather is anticipated.
With a probability of 73%, rainfall is expected only today. The precipitation will be minimal at 1mm.
In the coming days, the highest temperature will range between 6°C and 10°C, while the lowest temperature will be between 1°C and 6°C.
With a maximum temperature of 10°C, Monday through Thursday will be the warmest days; expect the coldest day on next Wednesday with a high of 6°C.
Updated: Oct 26, 2026 @ 09:41:18 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

In Sejny, a combination of predominantly overcast and occasionally hazy and rain-filled weather is anticipated for the next ten days.

Rainfall is anticipated only today. With a probability of 73%, minimal precipitation of 1mm is expected.

The maximum temperature will vary between 6°C and 10°C, while the minimum temperature will be between 1°C and 6°C.

With a maximum temperature of 10°C, Monday through Thursday will be the warmest days. With a maximum temperature of 6°C, next Wednesday will be the coldest day.

On Saturday, expect continuous cloudiness with subdued daylight.

No, it will not rain on Saturday.

On Saturday, the highest temperature will be 9°C, while the lowest temperature will be 4°C.

On Sunday, in Sejny, the sky will remain cloudy throughout.

No, it will not rain on Sunday.

On Sunday, the maximum temperature will be 8°C, while the minimum temperature will be 4°C.