Galissas weather live forecast

Today's maximum temperature in Galissas is expected to be 17°C. Select a day from the live weather forecast for Galissas, Syros, Greece for more weather parameters.

Wednesday
28th Jan
17

13

7

2
Thursday
29th Jan
17

14

1

1
Friday
30th Jan
16

14

5

2
Saturday
31st Jan
16

13

4

2
Sunday
1st Feb
15

12

2

2

5-day weather forecast updated at 04:02 on Tuesday 27th January 2026 GMT

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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 Wednesday 28th January 2026

Expect scattered clouds in Galissas, Syros with a maximum temperature of 17°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 35 kph from the south-west.

17
°C maximum temperature
13
°C minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
17
°C wind chill
35
kph wind from SW

Galissas weather for Thursday 29th January 2026

Expect isolated thunderstorms in Galissas, Syros with a maximum temperature of 17°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and a strong breeze of 41 kph from the south.

17
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
1
UV index (Low)
74
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
41
kph wind from S

Galissas weather for Friday 30th January 2026

Expect sunshine and showers in Galissas, Syros with a maximum temperature of 16°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 53% chance of some rain and a strong breeze of 40 kph from the south-west.

16
°C maximum temperature
14
°C minimum temperature
sunshine and showers
5
hours of sunshine
2
UV index (Low)
53
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
40
kph wind from SW

Galissas weather for Saturday 31st January 2026

Expect isolated thunderstorms in Galissas, Syros with a maximum temperature of 16°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 69% chance of some rain and a fresh breeze of 34 kph from the south-west.

16
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
2
UV index (Low)
69
% chance of some rain
<20
mm of rainfall expected
16
°C wind chill
34
kph wind from SW

Galissas weather for Sunday 1st February 2026

Expect isolated thunderstorms in Galissas, Syros with a maximum temperature of 15°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 83% chance of some rain and a fresh breeze of 29 kph from the south-west.