Galissas weather live forecast

Tomorrow's maximum temperature in Galissas is expected to be 34°C.

Sunday
20th Jul

34

27

14
Monday
21st Jul

35

27

14
Tuesday
22nd Jul

36

27

14
Wednesday
23rd Jul

35

28

14
Thursday
24th Jul

33

28

14

5-day weather forecast updated at 04:02 on Saturday 19th July 2025 GMT

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Destination

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

Galissas weather forecast by day

Below are the detailed weather forecasts for Galissas for the next 5 days.

Galissas weather for Sunday 20th July 2025

Expect clear skies in Galissas, Syros with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the north.

34
°C maximum temperature
27
°C minimum temperature
clear skies
14
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
4
kph wind from N

Galissas weather for Monday 21st July 2025

Expect clear skies in Galissas, Syros with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 kph from the north.

35
°C maximum temperature
27
°C minimum temperature
clear skies
14
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
2
kph wind from N

Galissas weather for Tuesday 22nd July 2025

Expect clear skies in Galissas, Syros with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 kph from the north.

36
°C maximum temperature
27
°C minimum temperature
clear skies
14
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
2
kph wind from N

Galissas weather for Wednesday 23rd July 2025

Expect clear skies in Galissas, Syros with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 1 kph from the north.

35
°C maximum temperature
28
°C minimum temperature
clear skies
14
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
1
kph wind from N

Galissas weather for Thursday 24th July 2025

Expect clear skies in Galissas, Syros with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the north-west.