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.

Saturday
16th May
23

17

4

7
Sunday
17th May
25

18

13

9
Monday
18th May
25

19

11

9
Tuesday
19th May
24

18

14

8
Wednesday
20th May
24

18

14

8

5-day weather forecast updated at 04:01 on Saturday 16th May 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 Saturday 16th May 2026

Expect mostly cloudy with light rain in Syros with a maximum temperature of 23°C, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 15% chance of some rain and a gentle breeze of 19 kph from the south.

23
°C maximum temperature
17
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
7
UV index (High)
15
% chance of some rain
<2
mm of rainfall expected
23
°C wind chill
19
kph wind from S

Syros weather for Sunday 17th May 2026

Expect scattered clouds in Syros with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

25
°C maximum temperature
18
°C minimum temperature
scattered clouds
13
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
25
°C wind chill
17
kph wind from SW

Syros weather for Monday 18th May 2026

Expect scattered clouds in Syros with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north.

25
°C maximum temperature
19
°C minimum temperature
scattered clouds
11
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
25
°C wind chill
18
kph wind from N

Syros weather for Tuesday 19th May 2026

Expect clear skies in Syros with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north-west.

24
°C maximum temperature
18
°C minimum temperature
clear skies
14
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
10
kph wind from NW

Syros weather for Wednesday 20th May 2026

Expect clear skies in Syros with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north.