Live Weather & Forecast
Weather in Sliven
Сливен, Bulgaria · Real-time conditions & 3-day outlook
12°C
Feels like 12°C
53°F / Feels 54°F
Clear
Sliven, Сливен
🌙 Nighttime
Updated: 2026-04-25 23:15
Humidity
67%
Wind
3.6 km/h NW
Wind Gust
7.6 km/h
Pressure
1015 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
12%
Dew Point
5.9°C
Wind Degree
315°
Air Quality Index
US EPA: Good
UK DEFRA: Low (2)
CO
150.9 μg/m³
NO₂
2.7 μg/m³
O₃
80 μg/m³
SO₂
2.9 μg/m³
PM 2.5
14.1 μg/m³
PM 10
17.3 μg/m³
Today's Hourly Forecast
24-hour breakdown for Sliven, Сливен
12 AM
9°
Clear
1 AM
9°
Clear
2 AM
8°
Clear
3 AM
8°
Clear
4 AM
7°
Clear
5 AM
7°
Clear
6 AM
7°
Clear
7 AM
7°
Sunny
8 AM
11°
Sunny
9 AM
14°
Sunny
10 AM
15°
Sunny
11 AM
17°
Patchy rain nearby
12 PM
18°
Sunny
1 PM
18°
Sunny
2 PM
19°
Sunny
3 PM
18°
Patchy rain nearby
4 PM
18°
Cloudy
5 PM
17°
Patchy rain nearby
6 PM
16°
Patchy rain nearby
7 PM
14°
Partly Cloudy
8 PM
12°
Partly Cloudy
9 PM
12°
Clear
10 PM
12°
Clear
11 PM
12°
Clear
3-Day Forecast
Daily overview for Sliven, Сливен
Today
Sunny
19°
/
7°
🌧️ 0% chance of rain
💧 Avg. humidity: 67%
💨 Max wind: 12.6 km/h
🌧️ Total precip: 0.06 mm
☀️ UV Index: 6.1
🌅 Sunrise: 06:18 AM
🌇 Sunset: 08:08 PM
🌙 Waxing Gibbous
🌑 Moon: 60% lit
Sun, Apr 26
Sunny
21°
/
9°
🌧️ 0% chance of rain
💧 Avg. humidity: 60%
💨 Max wind: 23 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6.2
🌅 Sunrise: 06:16 AM
🌇 Sunset: 08:09 PM
🌙 Waxing Gibbous
🌑 Moon: 70% lit
Mon, Apr 27
Sunny
15°
/
4°
🌧️ 0% chance of rain
💧 Avg. humidity: 71%
💨 Max wind: 13.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6.1
🌅 Sunrise: 06:15 AM
🌇 Sunset: 08:10 PM
🌙 Waxing Gibbous
🌑 Moon: 79% lit
Best Time to Visit Sliven
Plan your trip to Sliven, Bulgaria 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 Sliven?
Current conditions in Sliven: Clear, temperature 12°C, humidity 67%.
What is the best time to visit Sliven?
The best time to visit Sliven is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Sliven?
Sliven is located at approximately 42.7° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Sliven?
The wettest period in Sliven is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Sliven?
For visits to Sliven during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Sliven in 2026?
View the 2026 public holidays for Sliven on our Holidays page.
What are the GPS coordinates used for the weather forecast in Sliven?
The weather forecast for Sliven uses coordinates 42.6818, 26.3154.
What is the current temperature outside in Sliven?
The current outdoor temperature in Sliven is 12°C (54°F) with clear.
What is the hourly weather forecast for Sliven today?
Today's hour-by-hour weather breakdown for Sliven 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 Sliven tomorrow hour by hour?
Tomorrow's forecast for Sliven shows a high of 21°C and a low of 9°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Sliven?
Rain is not expected in Sliven today. Current forecast shows no significant rain probability.
Is it going to rain today in Sliven?
No, rain is not forecast for Sliven today. Current conditions show clear to partly cloudy skies.