Syros weather live forecast

Today's maximum temperature in Syros is expected to be 27°C. Select a day from the live weather forecast for Syros (Ermoupolis), Greece for more weather parameters.

Wednesday
17th Sep
27

23

12

7
Thursday
18th Sep
25

23

12

7
Friday
19th Sep
24

22

12

7
Saturday
20th Sep
25

22

12

6
Sunday
21st Sep
26

22

12

6

5-day weather forecast updated at 04:01 on Wednesday 17th September 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 Wednesday 17th September 2025

Expect clear skies in Syros with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-west.

27
°C maximum temperature
23
°C minimum temperature
clear skies
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
19
kph wind from NW

Syros weather for Thursday 18th September 2025

Expect clear skies in Syros with a maximum temperature of 25°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 38 kph from the north.

25
°C maximum temperature
23
°C minimum temperature
clear skies
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
25
°C wind chill
38
kph wind from N

Syros weather for Friday 19th September 2025

Expect clear skies in Syros with a maximum temperature of 24°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 43 kph from the north.

24
°C maximum temperature
22
°C minimum temperature
clear skies
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
43
kph wind from N

Syros weather for Saturday 20th September 2025

Expect clear skies in Syros with a maximum temperature of 25°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 42 kph from the north.

25
°C maximum temperature
22
°C minimum temperature
clear skies
12
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
42
kph wind from N

Syros weather for Sunday 21st September 2025

Expect clear skies in Syros with a maximum temperature of 26°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 34 kph from the north.