Syros weather live forecast

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

Sunday
21st Dec
17

14

5

1
Monday
22nd Dec
16

14

0

2
Tuesday
23rd Dec
16

13

6

2
Wednesday
24th Dec
17

13

4

1
Thursday
25th Dec
18

14

6

2

5-day weather forecast updated at 04:01 on Sunday 21st December 2025 GMT

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Destination

The 5-day weather forecast for Syros, represented by Ermoupolis, (Ermoupolis) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Syros weather forecast by day

Below are the detailed weather forecasts for Syros for the next 5 days. The forecasts shown are for Ermoupolis and may not represent the whole of Syros. Browse more destinations in Syros to view more weather forecasts.

Syros weather for Sunday 21st December 2025

Expect sunshine and showers in Syros with a maximum temperature of 17°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 21% chance of some rain and a moderate breeze of 22 kph from the north.

17
°C maximum temperature
14
°C minimum temperature
sunshine and showers
5
hours of sunshine
1
UV index (Low)
21
% chance of some rain
<2
mm of rainfall expected
17
°C wind chill
22
kph wind from N

Syros weather for Monday 22nd December 2025

Expect mostly cloudy with rain in Syros with a maximum temperature of 16°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 33% chance of some rain and a moderate breeze of 25 kph from the north.

16
°C maximum temperature
14
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
2
UV index (Low)
33
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
25
kph wind from N

Syros weather for Tuesday 23rd December 2025

Expect scattered clouds in Syros with a maximum temperature of 16°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north.

16
°C maximum temperature
13
°C minimum temperature
scattered clouds
6
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
16
°C wind chill
23
kph wind from N

Syros weather for Wednesday 24th December 2025

Expect isolated thunderstorms in Syros with a maximum temperature of 17°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 51% chance of some rain and a gentle breeze of 16 kph from the south.

17
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
1
UV index (Low)
51
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
16
kph wind from S

Syros weather for Thursday 25th December 2025

Expect scattered clouds in Syros with a maximum temperature of 18°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.