Weather forecast for 10 daysKoper, Slovenia

Weather forecast for the weekend

Sunday 25. Oct 2026

  • 16°C
  • 8°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 9km/hWSW 251°
  • Humidity: 62%
  • UV index: 2
  • Sunrise: 06:34 CET
  • Sunset: 17:03 CET
  • ▼
Tomorrow, on Sunday, 25th of October, a mainly cloudy pattern is also expected.
Rainfall is not forecasted. The predicted temperature range extends from a high of a breezy 16°C to a low of a frosty 8°C.
Sunrise will be at 06:34 and sunset at 17:03; tomorrow's daylight will last for 10h and 28min.

10-day overview

Daily temperatures

Maximum temperature: 20°C.
Coldest day: tomorrow 16°C.

Chance of precipitation

Highest chance: today 53%.

Long-term weather forecast

  • Saturday
  • 24. Oct 2026
  • min.
  • 5°C
Showers Early
Showers Early
  • Precip. probability: 53%
  • Precipitation: 1mm
  • Wind: 16km/hENE 66°
  • Humidity: 78%
  • UV index: 0
  • Sunrise: 07:33 CEST
  • Sunset: 18:04 CEST
  • ▼
  • Sunday
  • 25. Oct 2026
  • 16°C
  • 8°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 9km/hWSW 251°
  • Humidity: 62%
  • UV index: 2
  • Sunrise: 06:34 CET
  • Sunset: 17:03 CET
  • ▼
  • Monday
  • 26. Oct 2026
  • 20°C
  • 7°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 9km/hNE 41°
  • Humidity: 64%
  • UV index: 3
  • Sunrise: 06:36 CET
  • Sunset: 17:01 CET
  • ▼
  • Tuesday
  • 27. Oct 2026
  • 19°C
  • 7°C
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 8km/hN 354°
  • Humidity: 64%
  • UV index: 3
  • Sunrise: 06:37 CET
  • Sunset: 17:00 CET
  • ▼
  • Wednesday
  • 28. Oct 2026
  • 20°C
  • 10°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 7km/hNNE 29°
  • Humidity: 63%
  • UV index: 2
  • Sunrise: 06:39 CET
  • Sunset: 16:58 CET
  • ▼
  • Thursday
  • 29. Oct 2026
  • 20°C
  • 8°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 13km/hENE 63°
  • Humidity: 57%
  • UV index: 2
  • Sunrise: 06:40 CET
  • Sunset: 16:57 CET
  • ▼
  • Friday
  • 30. Oct 2026
  • 19°C
  • 8°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 13km/hENE 62°
  • Humidity: 60%
  • UV index: 2
  • Sunrise: 06:41 CET
  • Sunset: 16:55 CET
  • ▼
  • Saturday
  • 31. Oct 2026
  • 18°C
  • 7°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 15km/hENE 62°
  • Humidity: 60%
  • UV index: 2
  • Sunrise: 06:43 CET
  • Sunset: 16:54 CET
  • ▼
  • Sunday
  • 1. Nov 2026
  • 18°C
  • 7°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 14km/hENE 59°
  • Humidity: 61%
  • UV index: 2
  • Sunrise: 06:44 CET
  • Sunset: 16:52 CET
  • ▼
  • Monday
  • 2. Nov 2026
  • 17°C
  • 6°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 14km/hENE 64°
  • Humidity: 63%
  • UV index: 2
  • Sunrise: 06:46 CET
  • Sunset: 16:51 CET
  • ▼
cloudy, mostly clear and damp weather is expected.
With a 53% probability, rainfall is forecasted only for today. The precipitation will be minimal at 1mm.
In the coming days, the highest temperature will range between 16°C and 20°C, while nighttime temperatures are expected to vary from 5°C to 10°C.
The warmest days will be Monday, Wednesday and Thursday, with a maximum of 20°C; the lowest daytime temperature of the period will be reached on Sunday, peaking at 16°C.
Updated: Oct 24, 2026 @ 16:41:28 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Koper, patchy light may appear briefly, but the overall trend is cloudy.

No, it will not rain tomorrow.

Tomorrow, the highest temperature will be 16°C, while the lowest temperature will be 8°C.
The highest temperature tomorrow will be noticeably higher than the average maximum of 0°C in October. The lowest temperature will be also noticeably higher than the average low of 0°C.

On Sunday, in Koper, sunrise will be at 06:34 and sunset at 17:03 (CET).

Tomorrow, the daylight will last for 10h and 28min.