Live Weather & Forecast
Weather in Koper
Obalno-krashka, Slovenia · Real-time conditions & 3-day outlook
13°C
Feels like 12°C
56°F / Feels 54°F
Sunny
Koper, Obalno-krashka
🌙 Nighttime
Updated: 2026-04-30 20:15
Humidity
38%
Wind
11.9 km/h E
Wind Gust
24.9 km/h
Pressure
1023 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
-3.2°C
Wind Degree
81°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
144.9 μg/m³
NO₂
3.1 μg/m³
O₃
105 μg/m³
SO₂
1.6 μg/m³
PM 2.5
5.3 μg/m³
PM 10
6.6 μg/m³
Today's Hourly Forecast
24-hour breakdown for Koper, Obalno-krashka
12 AM
11°
Partly Cloudy
1 AM
10°
Clear
2 AM
10°
Clear
3 AM
9°
Clear
4 AM
9°
Clear
5 AM
8°
Clear
6 AM
8°
Sunny
7 AM
8°
Sunny
8 AM
10°
Sunny
9 AM
11°
Sunny
10 AM
12°
Sunny
11 AM
14°
Sunny
12 PM
15°
Sunny
1 PM
16°
Sunny
2 PM
16°
Sunny
3 PM
17°
Sunny
4 PM
17°
Sunny
5 PM
17°
Sunny
6 PM
16°
Sunny
7 PM
14°
Sunny
8 PM
13°
Sunny
9 PM
9°
Clear
10 PM
8°
Clear
11 PM
7°
Clear
3-Day Forecast
Daily overview for Koper, Obalno-krashka
Today
Sunny
17°
/
7°
🌧️ 0% chance of rain
💧 Avg. humidity: 41%
💨 Max wind: 30.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 5.5
🌅 Sunrise: 05:55 AM
🌇 Sunset: 08:10 PM
🌙 Waxing Gibbous
🌑 Moon: 97% lit
Fri, May 1
Sunny
19°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 43%
💨 Max wind: 14.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 5.9
🌅 Sunrise: 05:53 AM
🌇 Sunset: 08:12 PM
🌙 Full Moon
🌑 Moon: 99% lit
Sat, May 2
Sunny
21°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 58%
💨 Max wind: 15.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6
🌅 Sunrise: 05:52 AM
🌇 Sunset: 08:13 PM
🌙 Waning Gibbous
🌑 Moon: 100% lit
Best Time to Visit Koper
Plan your trip to Koper, Slovenia 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 Koper?
Current conditions in Koper: Sunny, temperature 13°C, humidity 38%.
What is the best time to visit Koper?
The best time to visit Koper is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Koper?
Koper is located at approximately 45.5° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Koper?
The wettest period in Koper is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Koper?
For visits to Koper during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Koper in?
Koper is located in Slovenia, in the state of Obalno-krashka.
What are the public holidays in Koper in 2026?
View the 2026 public holidays for Koper on our Holidays page.
What are the GPS coordinates used for the weather forecast in Koper?
The weather forecast for Koper uses coordinates 45.548, 13.7305.
What is the current temperature outside in Koper?
The current outdoor temperature in Koper is 13°C (55°F) with sunny.
What is the hourly weather forecast for Koper today?
Today's hour-by-hour weather breakdown for Koper 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 Koper tomorrow hour by hour?
Tomorrow's forecast for Koper shows a high of 19°C and a low of 5°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Koper?
Rain is not expected in Koper today. Current forecast shows no significant rain probability.
Is it going to rain today in Koper?
No, rain is not forecast for Koper today. Current conditions show clear to partly cloudy skies.