Weather forecast for 10 daysSumer, Bulgaria

10-day overview

Daily temperatures

Warmest period: today - Wednesday 22°C.
Coldest day: Tuesday 27.10. 15°C.

Chance of precipitation

Highest chance: Friday 71%.

Long-term weather forecast

  • Monday
  • 19. Oct 2026
  • 22°C
  • 8°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 19km/hNW 306°
  • Humidity: 41%
  • UV index: 4
  • Sunrise: 07:45 EEST
  • Sunset: 18:37 EEST
  • ▼
  • Tuesday
  • 20. Oct 2026
  • 22°C
  • 7°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 10km/hENE 76°
  • Humidity: 54%
  • UV index: 3
  • Sunrise: 07:46 EEST
  • Sunset: 18:36 EEST
  • ▼
  • Wednesday
  • 21. Oct 2026
  • 22°C
  • 12°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 9km/hN 1°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 07:47 EEST
  • Sunset: 18:34 EEST
  • ▼
  • Thursday
  • 22. Oct 2026
  • 20°C
  • 10°C
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 24%
  • Precipitation: 12mm
  • Wind: 9km/hN 358°
  • Humidity: 78%
  • UV index: 3
  • Sunrise: 07:49 EEST
  • Sunset: 18:33 EEST
  • ▼
  • Friday
  • 23. Oct 2026
  • 17°C
  • 5°C
AM Rain
AM Rain
  • Precip. probability: 71%
  • Precipitation: 4mm
  • Wind: 13km/hNW 307°
  • Humidity: 74%
  • UV index: 2
  • Sunrise: 07:50 EEST
  • Sunset: 18:31 EEST
  • ▼
  • Saturday
  • 24. Oct 2026
  • 19°C
  • 8°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 10km/hNE 45°
  • Humidity: 71%
  • UV index: 3
  • Sunrise: 07:51 EEST
  • Sunset: 18:30 EEST
  • ▼
  • Sunday
  • 25. Oct 2026
  • 17°C
  • 9°C
Showers
Showers
  • Precip. probability: 38%
  • Precipitation: 4mm
  • Wind: 10km/hN 0°
  • Humidity: 73%
  • UV index: 3
  • Sunrise: 06:52 EET
  • Sunset: 17:28 EET
  • ▼
  • Monday
  • 26. Oct 2026
  • 18°C
  • 8°C
PM Showers
PM Showers
  • Precip. probability: 51%
  • Precipitation: 4mm
  • Wind: 10km/hNW 314°
  • Humidity: 68%
  • UV index: 2
  • Sunrise: 06:54 EET
  • Sunset: 17:27 EET
  • ▼
  • Tuesday
  • 27. Oct 2026
  • 15°C
  • 7°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 13km/hNW 311°
  • Humidity: 70%
  • UV index: 3
  • Sunrise: 06:55 EET
  • Sunset: 17:25 EET
  • ▼
  • Wednesday
  • 28. Oct 2026
  • 16°C
  • 7°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 19%
  • Precipitation: 1mm
  • Wind: 10km/hNW 318°
  • Humidity: 68%
  • UV index: 3
  • Sunrise: 06:56 EET
  • Sunset: 17:24 EET
  • ▼
Models point to a combination of gloomy, bright and rain-filled weather is expected.
Rainfall is forecasted for Thursday, Friday, Sunday, next Monday and Wednesday.
Expect a substantial fluctuation in daytime highs throughout the forecast window. Forecast highs will fluctuate between 15°C and 22°C, while the lowest nightly temperature differences will be also quite pronounced, as the overnight lows will vary from 5°C to 12°C.
Monday through Wednesday, with the highest temperature of 22°C, will be the warmest days in Sumer; next Tuesday will be the coldest day, with the highest temperature of 15°C.
Updated: Oct 19, 2026 @ 08:29:19 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

In Sumer, a combination of cloudy, dry and sunny and showery weather is forecasted for the next ten days.

Rainfall is forecasted for Thursday, Friday, Sunday, next Monday and Wednesday in Sumer. With moderate precipitation of 12mm, Thursday will be the day with the most rainfall.

The maximum temperature will vary between 15°C and 22°C, as the minimum temperature will range between 5°C and 12°C.

With a maximum temperature of 22°C, Monday through Wednesday will be the warmest days. Next Tuesday will be the coldest day, with a maximum temperature of 15°C.

On Saturday, scattered clouds may briefly filter the sunlight, but it will remain bright overall.

On Saturday, the highest temperature will be 19°C, while the lowest temperature will be 8°C.

On Sunday, showers are expected to spread throughout the day, with the heaviest rain expected in the morning.

Light precipitation of 4mm is forecasted on Sunday. The likelihood of rainfall is 38%.

On Sunday, the maximum temperature in Sumer, Bulgaria, will be 17°C, while the minimum temperature will be 9°C.