Galissas weather live forecast

Today's maximum temperature in Galissas is expected to be 28°C. Select a day from the live weather forecast for Galissas, Syros, Greece for more weather parameters.

Sunday
7th Jun
28

21

15

10
Monday
8th Jun
29

23

15

9
Tuesday
9th Jun
27

23

15

9
Wednesday
10th Jun
28

22

15

9
Thursday
11th Jun
29

22

15

9

5-day weather forecast updated at 04:01 on Sunday 7th June 2026 GMT

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Recommended for Syros

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 7th June 2026

Expect clear skies in Galissas, Syros with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

28
°C maximum temperature
21
°C minimum temperature
clear skies
15
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
16
kph wind from NW

Galissas weather for Monday 8th June 2026

Expect clear skies in Galissas, Syros with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the north.

29
°C maximum temperature
23
°C minimum temperature
clear skies
15
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
28
kph wind from N

Galissas weather for Tuesday 9th June 2026

Expect clear skies in Galissas, Syros with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the north.

27
°C maximum temperature
23
°C minimum temperature
clear skies
15
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
26
kph wind from N

Galissas weather for Wednesday 10th June 2026

Expect clear skies in Galissas, Syros with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north.