St Konstantin weather live forecast

Today's maximum temperature in St Konstantin is expected to be 79°F. Select a day from the live weather forecast for St Konstantin, Bulgaria for more weather parameters.

Thursday
10th Sep
79

66

9

6
Friday
11th Sep
79

64

8

6
Saturday
12th Sep
79

66

9

6
Sunday
13th Sep
77

66

4

6
Monday
14th Sep
73

64

1

3

5-day weather forecast updated at 04:02 on Thursday 10th 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 Thursday 10th September 2026

Expect scattered clouds in St Konstantin, Bulgaria with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the south-east.

79
°F maximum temperature
66
°F minimum temperature
scattered clouds
9
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
5
mph wind from SE

St Konstantin weather for Friday 11th September 2026

Expect scattered clouds in St Konstantin, Bulgaria with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the south-east.

79
°F maximum temperature
64
°F minimum temperature
scattered clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
5
mph wind from SE

St Konstantin weather for Saturday 12th September 2026

79
°F maximum temperature
66
°F minimum temperature
scattered clouds
9
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
5
mph wind from SE

St Konstantin weather for Sunday 13th September 2026

Expect mostly cloudy with light rain in St Konstantin, Bulgaria with a maximum temperature of 77°F, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 18% chance of some rain and a light breeze of 5 mph from the north.

77
°F maximum temperature
66
°F minimum temperature
mostly cloudy with light rain
4
hours of sunshine
6
UV index (High)
18
% chance of some rain
<2
mm of rainfall expected
77
°F wind chill
5
mph wind from N

St Konstantin weather for Monday 14th September 2026

Expect broken clouds in St Konstantin, Bulgaria with a maximum temperature of 73°F, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the north.