Weather forecast for todaySejny, Poland

Weather forecast for today

Current condition 06:05 CET

  • 6°C
  • Feels like:
    4°C
Fog
Fog
  • Precipitation: 0mm
  • Wind: 11km/hN 0°
  • Humidity: 98%
  • Dewpoint: 6°C
  • Pressure: 1023.37mbar
  • Visibility: 1.09km
  • UV index: 0
  • ▼
Currently, in Sejny, visibility has dropped due to widespread fog across the region.
The temperature is a frosty 6°C, the felt air reading is assessed at an icy 4°C. The current temperature is a few degrees off the highest temperature for today.

Sunday 18. Oct 2026

  • 10°C
  • 3°C
AM Fog / PM Clouds
AM Fog / PM Clouds
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 20km/hNNE 13°
  • Humidity: 93%
  • UV index: 1
  • Sunrise: 07:00 CEST
  • Sunset: 17:23 CEST
  • ▼
Today, on Sunday, 18th of October, a misty and foggy morning is expected, with clouds thickening by the afternoon.
The highest forecasted temperature is a crisp 10°C, while the lowest temperature will be an icy 3°C.
The anticipated peak temperature will reflect the average October high of 10.6°C.
Sunrise was at 07:00 and sunset will be at 17:23; the daylight will last for 10h and 23min.

Hourly overview

Hourly temperatures

Warmest hour: 14h 10°C.
Coldest hour: 0h 6°C.

Chance of precipitation

Highest chance: 8h - 10h 15%.

Hourly weather forecast

  • 8h
  • 7°C
  • Feels like:
    5°C
Foggy
Foggy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 11km/hN 11°
  • Humidity: 97%
  • Pressure: 1024mbar
  • Visibility: 0km
  • UV index: 0
  • ▼
  • 9h
  • 7°C
  • Feels like:
    5°C
Foggy
Foggy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 14km/hN 7°
  • Humidity: 97%
  • Pressure: 1024mbar
  • Visibility: 0km
  • UV index: 0
  • ▼
  • 10h
  • 8°C
  • Feels like:
    5°C
Cloudy
Cloudy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 16km/hNNE 13°
  • Humidity: 95%
  • Pressure: 1024mbar
  • Visibility: 1km
  • UV index: 0
  • ▼
  • 11h
  • 9°C
  • Feels like:
    7°C
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 16km/hNNE 18°
  • Humidity: 90%
  • Pressure: 1025mbar
  • Visibility: 14km
  • UV index: 1
  • ▼
  • 12h
  • 9°C
  • Feels like:
    6°C
Cloudy
Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 19km/hNNE 20°
  • Humidity: 93%
  • Pressure: 1025mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 13h
  • 9°C
  • Feels like:
    7°C
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 19km/hNNE 16°
  • Humidity: 94%
  • Pressure: 1025mbar
  • Visibility: 14km
  • UV index: 1
  • ▼
  • 14h
  • 10°C
  • Feels like:
    7°C
Cloudy
Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 17km/hNNE 18°
  • Humidity: 91%
  • Pressure: 1026mbar
  • Visibility: 14km
  • UV index: 1
  • ▼
  • 15h
  • 10°C
  • Feels like:
    7°C
Cloudy
Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 20km/hNNE 14°
  • Humidity: 91%
  • Pressure: 1026mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 16h
  • 9°C
  • Feels like:
    7°C
Cloudy
Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 20km/hNNE 16°
  • Humidity: 90%
  • Pressure: 1026mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 17h
  • 9°C
  • Feels like:
    6°C
Cloudy
Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 17km/hNNE 14°
  • Humidity: 88%
  • Pressure: 1027mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 17:23
  • 18h
  • 8°C
  • Feels like:
    6°C
Cloudy
Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 18km/hNNE 15°
  • Humidity: 89%
  • Pressure: 1027mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 19h
  • 8°C
  • Feels like:
    5°C
Cloudy
Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 20km/hNNE 15°
  • Humidity: 87%
  • Pressure: 1028mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 7°C
  • Feels like:
    5°C
Cloudy
Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 16km/hNNE 12°
  • Humidity: 85%
  • Pressure: 1028mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 21h
  • 7°C
  • Feels like:
    4°C
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 18km/hNNE 17°
  • Humidity: 83%
  • Pressure: 1029mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 7°C
  • Feels like:
    4°C
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 18km/hNNE 17°
  • Humidity: 81%
  • Pressure: 1029mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 23h
  • 6°C
  • Feels like:
    3°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 16km/hNNE 14°
  • Humidity: 82%
  • Pressure: 1029mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Today, in Sejny, primarily cloudy and occasionally fog-covered weather is predicted.
The temperature will vary between the lowest temperature of 6°C and the highest temperature of 10°C. The warmest part of the day will be at 14h and 15h.
The high temperature is expected to be similar to October's usual value of 10.6°C. The nighttime low today will be also consistent with October's typical minimum temperature.
Updated: Oct 18, 2026 @ 05:05:40 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (06:05 CET) it is 6°C in Sejny.

On Sunday, a foggy morning will transition into an overcast afternoon with little change in conditions.

Today, the maximum temperature will be 10°C, while the minimum temperature will be 3°C.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature today will be also in line with the average low temperature.

On Sunday, in Sejny, sunrise was at 07:00 and sunset will be at 17:23 (CEST).

Today, the daylight will last for 10h and 23min.