Galissas weather live forecast

Today's maximum temperature in Galissas is expected to be 22°C. Select a day from the live weather forecast for Galissas, Syros, Greece for more weather parameters.

Sunday
2nd Nov
22

18

7

3
Monday
3rd Nov
22

18

10

3
Tuesday
4th Nov
22

18

1

3
Wednesday
5th Nov
21

17

4

2
Thursday
6th Nov
20

16

6

2

5-day weather forecast updated at 04:02 on Sunday 2nd November 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 8% off holidays booked online

Sale

Book online with TUI & save up to 8% 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 Sunday 2nd November 2025

Expect broken clouds in Galissas, Syros with a maximum temperature of 22°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north.

22
°C maximum temperature
18
°C minimum temperature
broken clouds
7
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
22
°C wind chill
17
kph wind from N

Galissas weather for Monday 3rd November 2025

Expect clear skies in Galissas, Syros with a maximum temperature of 22°C, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-west.

22
°C maximum temperature
18
°C minimum temperature
clear skies
10
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
22
°C wind chill
8
kph wind from SW

Galissas weather for Tuesday 4th November 2025

Expect broken clouds in Galissas, Syros with a maximum temperature of 22°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

22
°C maximum temperature
18
°C minimum temperature
broken clouds
1
hour of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from SW

Galissas weather for Wednesday 5th November 2025

Expect isolated thunderstorms in Galissas, Syros with a maximum temperature of 21°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 21% chance of some rain and a moderate breeze of 28 kph from the north.

21
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
2
UV index (Low)
21
% chance of some rain
<2
mm of rainfall expected
21
°C wind chill
28
kph wind from N

Galissas weather for Thursday 6th November 2025

Expect broken clouds in Galissas, Syros with a maximum temperature of 20°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the north.