Galissas weather live forecast

Today's maximum temperature in Galissas is expected to be 20°C. Select a day from the live weather forecast for Galissas, Syros, Greece for more weather parameters.

Wednesday
8th Apr
20

15

13

6
Thursday
9th Apr
17

13

7

5
Friday
10th Apr
16

13

10

5
Saturday
11th Apr
15

12

10

5
Sunday
12th Apr
17

12

13

6

5-day weather forecast updated at 04:02 on Wednesday 8th April 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 8th April 2026

Expect scattered clouds in Galissas, Syros with a maximum temperature of 20°C, maximum UV of 6 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north.

20
°C maximum temperature
15
°C minimum temperature
scattered clouds
13
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
20
°C wind chill
20
kph wind from N

Galissas weather for Thursday 9th April 2026

Expect sunshine and showers in Galissas, Syros with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 9% chance of some rain and a gentle breeze of 18 kph from the north.

17
°C maximum temperature
13
°C minimum temperature
sunshine and showers
7
hours of sunshine
5
UV index (Moderate)
9
% chance of some rain
<2
mm of rainfall expected
17
°C wind chill
18
kph wind from N

Galissas weather for Friday 10th April 2026

Expect broken clouds in Galissas, Syros with a maximum temperature of 16°C, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north.

16
°C maximum temperature
13
°C minimum temperature
broken clouds
10
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from N

Galissas weather for Saturday 11th April 2026

Expect scattered clouds in Galissas, Syros with a maximum temperature of 15°C, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north.

15
°C maximum temperature
12
°C minimum temperature
scattered clouds
10
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
20
kph wind from N

Galissas weather for Sunday 12th April 2026

Expect clear skies in Galissas, Syros with a maximum temperature of 17°C, maximum UV of 6 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north.