Galissas weather live forecast

Today's maximum temperature in Galissas is expected to be 82°F. Select a day from the live weather forecast for Galissas, Syros, Greece for more weather parameters.

Monday
1st Sep
82

73

13

8
Tuesday
2nd Sep
84

75

13

8
Wednesday
3rd Sep
86

77

13

8
Thursday
4th Sep
82

75

12

7
Friday
5th Sep
82

75

13

7

5-day weather forecast updated at 04:03 on Monday 1st September 2025 GMT

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Destination

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

Galissas weather forecast by day

Below are the detailed weather forecasts for Galissas for the next 5 days.

Galissas weather for Monday 1st September 2025

Expect clear skies in Galissas, Syros with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the north.

82
°F maximum temperature
73
°F minimum temperature
clear skies
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
7
mph wind from N

Galissas weather for Tuesday 2nd September 2025

Expect clear skies in Galissas, Syros with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 15 mph from the north.

84
°F maximum temperature
75
°F minimum temperature
clear skies
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
15
mph wind from N

Galissas weather for Wednesday 3rd September 2025

Expect clear skies in Galissas, Syros with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the north.

86
°F maximum temperature
77
°F minimum temperature
clear skies
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
17
mph wind from N

Galissas weather for Thursday 4th September 2025

Expect clear skies in Galissas, Syros with a maximum temperature of 82°F, 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 moderate breeze of 15 mph from the north.

82
°F maximum temperature
75
°F minimum temperature
clear skies
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
15
mph wind from N

Galissas weather for Friday 5th September 2025

Expect clear skies in Galissas, Syros with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the north.