Syros weather live forecast

Today's maximum temperature in Syros is expected to be 26°C. Select a day from the live weather forecast for Syros (Ermoupolis), Greece for more weather parameters.

Sunday
20th Sep
26

22

11

6
Monday
21st Sep
27

23

11

6
Tuesday
22nd Sep
25

21

6

6
Wednesday
23rd Sep
23

20

9

6
Thursday
24th Sep
24

19

12

6

5-day weather forecast updated at 04:01 on Saturday 19th September 2026 GMT

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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 20th September 2026

Expect scattered clouds in Syros with a maximum temperature of 26°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the north.

26
°C maximum temperature
22
°C minimum temperature
scattered clouds
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
31
kph wind from N

Syros weather for Monday 21st September 2026

Expect clear skies in Syros with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the north.

27
°C maximum temperature
23
°C minimum temperature
clear skies
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
28
kph wind from N

Syros weather for Tuesday 22nd September 2026

Expect sunshine and showers in Syros with a maximum temperature of 25°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 26% chance of some rain and a moderate breeze of 25 kph from the north.

25
°C maximum temperature
21
°C minimum temperature
sunshine and showers
6
hours of sunshine
6
UV index (High)
26
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
25
kph wind from N

Syros weather for Wednesday 23rd September 2026

Expect scattered clouds in Syros with a maximum temperature of 23°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the north.

23
°C maximum temperature
20
°C minimum temperature
scattered clouds
9
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
23
°C wind chill
27
kph wind from N

Syros weather for Thursday 24th September 2026

Expect clear skies in Syros with a maximum temperature of 24°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north.