St Konstantin weather live forecast

Today's maximum temperature in St Konstantin is expected to be 77°F. Select a day from the live weather forecast for St Konstantin, Bulgaria for more weather parameters.

Friday
18th Sep
77

59

11

5
Saturday
19th Sep
79

63

12

6
Sunday
20th Sep
79

63

12

5
Monday
21st Sep
82

61

6

5
Tuesday
22nd Sep
68

57

4

4

5-day weather forecast updated at 04:01 on Friday 18th September 2026 GMT

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The 5-day weather forecast for Bulgaria (St Konstantin) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

St Konstantin weather forecast by day

Below are the detailed weather forecasts for St Konstantin for the next 5 days.

St Konstantin weather for Friday 18th September 2026

Expect clear skies in St Konstantin, Bulgaria with a maximum temperature of 77°F, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 mph from the south-east.

77
°F maximum temperature
59
°F minimum temperature
clear skies
11
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
77
°F wind chill
4
mph wind from SE

St Konstantin weather for Saturday 19th September 2026

Expect clear skies in St Konstantin, Bulgaria with a maximum temperature of 79°F, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the south-east.

79
°F maximum temperature
63
°F minimum temperature
clear skies
12
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
79
°F wind chill
4
mph wind from SE

St Konstantin weather for Sunday 20th September 2026

Expect clear skies in St Konstantin, Bulgaria with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the south-east.

79
°F maximum temperature
63
°F minimum temperature
clear skies
12
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
4
mph wind from SE

St Konstantin weather for Monday 21st September 2026

Expect isolated thunderstorms in St Konstantin, Bulgaria with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and little or no wind of 4 mph from the west.

82
°F maximum temperature
61
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
5
UV index (Moderate)
34
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
4
mph wind from W

St Konstantin weather for Tuesday 22nd September 2026

Expect isolated thunderstorms in St Konstantin, Bulgaria with a maximum temperature of 68°F, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 51% chance of some rain and a light breeze of 7 mph from the north-west.