Galissas weather live forecast

Today's maximum temperature in Galissas is expected to be 26°C. Select a day from the live weather forecast for Galissas, Syros, Greece for more weather parameters.

Saturday
13th Jun
26

22

11

8
Sunday
14th Jun
27

21

15

9
Monday
15th Jun
29

22

15

9
Tuesday
16th Jun
29

22

15

9
Wednesday
17th Jun
29

22

14

9

5-day weather forecast updated at 04:03 on Friday 12th 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 Saturday 13th June 2026

Expect scattered clouds in Galissas, Syros with a maximum temperature of 26°C, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 35 kph from the north.

26
°C maximum temperature
22
°C minimum temperature
scattered clouds
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
26
°C wind chill
35
kph wind from N

Galissas weather for Sunday 14th 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 fresh breeze of 31 kph from the north.

27
°C maximum temperature
21
°C minimum temperature
clear skies
15
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
31
kph wind from N

Galissas weather for Monday 15th 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 gentle breeze of 15 kph from the north-west.

29
°C maximum temperature
22
°C minimum temperature
clear skies
15
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
15
kph wind from NW

Galissas weather for Tuesday 16th June 2026

29
°C maximum temperature
22
°C minimum temperature
clear skies
15
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
12
kph wind from SW

Galissas weather for Wednesday 17th June 2026

Expect clear skies in Galissas, Syros with a maximum temperature of 29°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 a light breeze of 12 kph from the west.