Galissas weather live forecast

Tomorrow's maximum temperature in Galissas is expected to be 63°F.

Thursday
1st May

63

57

1
Friday
2nd May

66

57

13
Saturday
3rd May

68

59

14
Sunday
4th May

70

59

13
Monday
5th May

68

61

9

5-day weather forecast updated at 04:02 on Thursday 1st May 2025 GMT

More about Galissas

Galissas by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Syros

TUI: up to 7% off holidays booked online

Sale

Book online with TUI & save up to 7% on holidays
FREE child places available for select holidays
Pay £0 deposits with direct debit & spread the cost

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

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 Thursday 1st May 2025

Expect mostly cloudy with light rain in Galissas, Syros with a maximum temperature of 63°F, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 19% chance of some rain and a strong breeze of 26 mph from the north.

63
°F maximum temperature
57
°F minimum temperature
mostly cloudy with light rain
1
hour of sunshine
5
UV index (Moderate)
19
% chance of some rain
<2
mm of rainfall expected
63
°F wind chill
26
mph wind from N

Galissas weather for Friday 2nd May 2025

Expect scattered clouds in Galissas, Syros with a maximum temperature of 66°F, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 22 mph from the north.

66
°F maximum temperature
57
°F minimum temperature
scattered clouds
13
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
66
°F wind chill
22
mph wind from N

Galissas weather for Saturday 3rd May 2025

Expect clear skies in Galissas, Syros with a maximum temperature of 68°F, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 20 mph from the north.

68
°F maximum temperature
59
°F minimum temperature
clear skies
14
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
68
°F wind chill
20
mph wind from N

Galissas weather for Sunday 4th May 2025

Expect clear skies in Galissas, Syros with a maximum temperature of 70°F, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the north-west.

70
°F maximum temperature
59
°F minimum temperature
clear skies
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
7
mph wind from NW

Galissas weather for Monday 5th May 2025

Expect scattered clouds in Galissas, Syros with a maximum temperature of 68°F, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south.