Galissas weather live forecast

Today's maximum temperature in Galissas is expected to be 70°F. Select a day from the live weather forecast for Galissas, Syros, Greece for more weather parameters.

Sunday
12th Oct
70

63

11

5
Monday
13th Oct
72

63

7

5
Tuesday
14th Oct
72

64

9

5
Wednesday
15th Oct
72

64

9

4
Thursday
16th Oct
68

63

7

4

5-day weather forecast updated at 04:02 on Saturday 11th October 2025 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 Sunday 12th October 2025

Expect clear skies in Galissas, Syros with a maximum temperature of 70°F, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 21 mph from the north.

70
°F maximum temperature
63
°F minimum temperature
clear skies
11
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
70
°F wind chill
21
mph wind from N

Galissas weather for Monday 13th October 2025

Expect scattered clouds in Galissas, Syros with a maximum temperature of 72°F, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the north.

72
°F maximum temperature
63
°F minimum temperature
scattered clouds
7
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
72
°F wind chill
14
mph wind from N

Galissas weather for Tuesday 14th October 2025

Expect scattered clouds in Galissas, Syros with a maximum temperature of 72°F, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the north.

72
°F maximum temperature
64
°F minimum temperature
scattered clouds
9
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
72
°F wind chill
8
mph wind from N

Galissas weather for Wednesday 15th October 2025

Expect scattered clouds in Galissas, Syros with a maximum temperature of 72°F, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the north.

72
°F maximum temperature
64
°F minimum temperature
scattered clouds
9
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
14
mph wind from N

Galissas weather for Thursday 16th October 2025

Expect scattered clouds in Galissas, Syros with a maximum temperature of 68°F, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the north.