Syros weather live forecast

Today's maximum temperature in Syros is expected to be 23°C. Select a day from the live weather forecast for Syros (Ermoupolis), Greece for more weather parameters.

Sunday
19th Oct
23

18

0

1
Monday
20th Oct
21

18

0

2
Tuesday
21st Oct
22

18

1

2
Wednesday
22nd Oct
23

18

4

4
Thursday
23rd Oct
23

19

5

4

5-day weather forecast updated at 04:01 on Sunday 19th October 2025 GMT

More about Syros

Syros 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 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 19th October 2025

Expect isolated thunderstorms in Syros with a maximum temperature of 23°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 49% chance of some rain and a gentle breeze of 13 kph from the north.

23
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
1
UV index (Low)
49
% chance of some rain
<10
mm of rainfall expected
23
°C wind chill
13
kph wind from N

Syros weather for Monday 20th October 2025

Expect mostly cloudy with rain in Syros with a maximum temperature of 21°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 45% chance of some rain and a gentle breeze of 16 kph from the north-east.

21
°C maximum temperature
18
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
2
UV index (Low)
45
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
16
kph wind from NE

Syros weather for Tuesday 21st October 2025

Expect mostly cloudy with light rain in Syros with a maximum temperature of 22°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 31% chance of some rain and a gentle breeze of 16 kph from the east.

22
°C maximum temperature
18
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
2
UV index (Low)
31
% chance of some rain
<5
mm of rainfall expected
22
°C wind chill
16
kph wind from E

Syros weather for Wednesday 22nd October 2025

Expect isolated thunderstorms in Syros with a maximum temperature of 23°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 39% chance of some rain and a gentle breeze of 18 kph from the south-west.

23
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
4
UV index (Moderate)
39
% chance of some rain
<5
mm of rainfall expected
23
°C wind chill
18
kph wind from SW

Syros weather for Thursday 23rd October 2025

Expect isolated thunderstorms in Syros with a maximum temperature of 23°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 71% chance of some rain and a moderate breeze of 21 kph from the south-west.