Live Weather & Forecast
Weather in Sejny
województwo pomorskie, Poland · Real-time conditions & 3-day outlook
15°C
Feels like 15°C
60°F / Feels 60°F
Partly cloudy
Sejny, województwo pomorskie
🌞 Daytime
Updated: 2026-04-25 12:30
Humidity
41%
Wind
23.8 km/h WSW
Wind Gust
27.3 km/h
Pressure
1004 mb
Visibility
10 km
UV Index
4
(Moderate)
Precipitation
0.1 mm
Cloud Cover
75%
Dew Point
5.4°C
Wind Degree
239°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
132.9 μg/m³
NO₂
2.5 μg/m³
O₃
74 μg/m³
SO₂
5.7 μg/m³
PM 2.5
5.9 μg/m³
PM 10
9.1 μg/m³
Weather Alerts 5
Met
· Moderate · Future
Wind
Met
· Moderate · Future
Other dangers
Met
· Severe · Future
Wind
Met
· Moderate · Future
Other dangers
Met
· Moderate · Future
Ветер
На большей части усиление ветра порывами 15-20 м/с.
Today's Hourly Forecast
24-hour breakdown for Sejny, województwo pomorskie
12 AM
3°
Clear
1 AM
3°
Partly Cloudy
2 AM
2°
Clear
3 AM
2°
Clear
4 AM
1°
Clear
5 AM
1°
Mist
6 AM
1°
Sunny
7 AM
4°
Sunny
8 AM
6°
Sunny
9 AM
9°
Partly Cloudy
10 AM
10°
Overcast
11 AM
12°
Sunny
12 PM
15°
Partly cloudy
1 PM
12°
Patchy rain nearby
2 PM
12°
Patchy rain nearby
3 PM
11°
Patchy rain nearby
4 PM
13°
Sunny
5 PM
13°
Sunny
6 PM
11°
Partly Cloudy
7 PM
9°
Partly Cloudy
8 PM
8°
Patchy rain nearby
9 PM
7°
Patchy rain nearby
10 PM
7°
Patchy rain nearby
11 PM
6°
Light drizzle
3-Day Forecast
Daily overview for Sejny, województwo pomorskie
Today
Patchy rain nearby
14°
/
1°
🌧️ 93% chance of rain
💧 Avg. humidity: 72%
💨 Max wind: 31 km/h
🌧️ Total precip: 0.6 mm
☀️ UV Index: 4
🌅 Sunrise: 05:05 AM
🌇 Sunset: 07:49 PM
🌙 Waxing Gibbous
🌑 Moon: 60% lit
Sun, Apr 26
Patchy rain nearby
7°
/
0°
🌧️ 87% chance of rain
❄️ 5% chance of snow
💧 Avg. humidity: 67%
💨 Max wind: 42.5 km/h
🌧️ Total precip: 2.04 mm
☀️ UV Index: 3.4
🌅 Sunrise: 05:03 AM
🌇 Sunset: 07:51 PM
🌙 Waxing Gibbous
🌑 Moon: 70% lit
Mon, Apr 27
Sunny
10°
/
1°
🌧️ 0% chance of rain
💧 Avg. humidity: 53%
💨 Max wind: 31.3 km/h
🌧️ Total precip: 0.02 mm
☀️ UV Index: 4
🌅 Sunrise: 05:00 AM
🌇 Sunset: 07:53 PM
🌙 Waxing Gibbous
🌑 Moon: 79% lit
Best Time to Visit Sejny
Plan your trip to Sejny, Poland around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Sejny?
Current conditions in Sejny: Partly cloudy, temperature 15°C, humidity 41%.
What is the best time to visit Sejny?
The best time to visit Sejny is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Sejny?
Sejny is located at approximately 54.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Sejny?
The wettest period in Sejny is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Sejny?
For visits to Sejny during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Sejny in?
Sejny is located in Poland, in the state of województwo pomorskie.
What are the public holidays in Sejny in 2026?
View the 2026 public holidays for Sejny on our Holidays page.
What are the GPS coordinates used for the weather forecast in Sejny?
The weather forecast for Sejny uses coordinates 54.1057, 23.3497.
What is the current temperature outside in Sejny?
The current outdoor temperature in Sejny is 15°C (59°F) with partly cloudy.
What is the hourly weather forecast for Sejny today?
Today's hour-by-hour weather breakdown for Sejny is shown in the Hourly Forecast section above, including temperature, rain chance, and conditions for each hour of the day.
What is the weather in Sejny tomorrow hour by hour?
Tomorrow's forecast for Sejny shows a high of 7°C and a low of 0°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Sejny?
There is a 93% chance of rain in Sejny today. Check the hourly forecast above for a time-by-time breakdown of when rain is most likely.
Is it going to rain today in Sejny?
Yes, there is a 93% chance of rain in Sejny today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.