Sliven

Current Weather

15°59°

Drizzle

Feels Like: 16°61°

Min: 12°54°

Max: 18°65°

The next few hours will be overcast, with tomorrow reaching 17°C and dropping to 8°C. The coming days will be drizzle

Hourly Forecast

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Air Quality

59
Moderate

Air quality is acceptable. However, there may be a risk for some people.

GoodHazardous

Pollen Levels

Tree PollenLow
Grass PollenLow
Weed PollenLow

Daylight Hours

07:44

Sunrise

18:13

Sunset

10 hours 28 minutes of sunlight today

Moon

16:27

Moonrise

03:10

Moonset

Daily Forecast

Today

12°54°
18°65°

Friday

10°50°
17°62°

Saturday

8°46°
17°62°

Sunday

10°51°
15°60°

Sunday

10°49°
18°64°

Monday

9°48°
17°63°

Tuesday

7°44°
13°56°

Wednesday

8°46°
14°57°

Thursday

8°46°
14°57°

Friday

6°43°
13°56°

UV Index

No protection needed
0Low
LowExtreme

Humidity

89%Humid
LowHigh

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Weather in Sliven tomorrow, October 23, 2026

Expect unsettled, showery conditions in Sliven on October 23, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Wetter spells lean into the morning, when rain odds reach about 100% near 07:00. Skies look heaviest around 00:00, with cover close to 100%.Expect unsettled, showery conditions in Sliven on October 23, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Wetter spells lean into the morning, when rain odds reach about 100% near 07:00. Skies look heaviest around 00:00, with cover close to 100%.

Expect highs of 17°C and cooler readings close to 10°C. Relative humidity sits between 59% and 92%, reaching its peak around 02:00. A lighter breeze peaks around 09:00 near 16 km/h.Expect highs of 62°F and cooler readings close to 50°F. Relative humidity sits between 59% and 92%, reaching its peak around 02:00. A lighter breeze peaks around 09:00 near 10 mph.

Afternoon showers stay in play, peaking near 98% around 12:00. Skies remain cluttered, with cover about 97% by 12:00. Visibility holds near 32.7 km, though it can fall to 21.3 km. Daylight runs from 07:45 to 18:11, lasting 10 hours 26 minutes of sunlight today.Afternoon showers stay in play, peaking near 98% around 12:00. Skies remain cluttered, with cover about 97% by 12:00. Visibility holds near 20.3 mi, though it can fall to 13.3 mi. Daylight runs from 07:45 to 18:11, lasting 10 hours 26 minutes of sunlight today.

Taken together, Sliven looks wet enough on October 23, 2026 that flexible outdoor plans work best, with temperatures peaking near 17°C.Taken together, Sliven looks wet enough on October 23, 2026 that flexible outdoor plans work best, with temperatures peaking near 62°F.

Frequently asked questions about weather in Sliven

How warm does it get in Sliven?

The warmest month in Sliven is August, with average high temperatures of 29°C. The average temperature during this period is around 23°C.The warmest month in Sliven is August, with average high temperatures of 84°F. The average temperature during this period is around 73°F.

How cold does it get in Sliven?

The coldest month in Sliven is January, with average low temperatures of -2°C. The average temperature during this period is around 1°C.The coldest month in Sliven is January, with average low temperatures of 28°F. The average temperature during this period is around 34°F.

What is the wettest time of year in Sliven?

The wettest month in Sliven is May, with an average of 108 mm of precipitation.The wettest month in Sliven is May, with an average of 4.3 in of precipitation.

What is the driest time of year in Sliven?

The driest month in Sliven is September, with an average of 35 mm of precipitation.The driest month in Sliven is September, with an average of 1.4 in of precipitation.

View full climate insights for Sliven →