Syros Island Airport (JSY) 15 Day Weather Forecast, Syros Island Greece
Current weather conditions and 15 day weather forecast for Syros Island Airport in Syros Island, Greece including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at JSY
| 18 September 2026 Fri 21.4 ° C ( 70.6°F )  Clear |
Feels Like : 16.2 ° C / 61.2°F Humidity : % 70 Pressure : 1013 mb Wind Speed : 37.1 kmph / 23 miles from N 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Syros Island Airport, Syros Island, Greece
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 18 September 2026 Fri | Sunny |
21.4 ° C | 22.3 ° C | 21.8 ° C | % 66 | 40.7 km/h | 7% |
| 19 September 2026 Sat | Sunny |
21.6 ° C | 22.6 ° C | 22.2 ° C | % 66 | 43.2 km/h | 7% |
| 20 September 2026 Sun |  Overcast |
21.1 ° C | 22.6 ° C | 22 ° C | % 72 | 49.3 km/h | 13% |
| 21 September 2026 Mon | Sunny |
21.5 ° C | 23.7 ° C | 22.6 ° C | % 71 | 46.8 km/h | 7% |
| 22 September 2026 Tue | Sunny |
22.3 ° C | 24.7 ° C | 23.6 ° C | % 65 | 31.3 km/h | 4% |
| 23 September 2026 Wed | Sunny |
20.6 ° C | 22.1 ° C | 21.5 ° C | % 58 | 42.5 km/h | 3% |
| 24 September 2026 Thu | Sunny |
19.8 ° C | 20.8 ° C | 20.1 ° C | % 51 | 42.8 km/h | 2% |
| 25 September 2026 Fri | Sunny |
19.8 ° C | 21.2 ° C | 20.6 ° C | % 54 | 40.3 km/h | 3% |
| 26 September 2026 Sat | Overcast |
20.3 ° C | 21 ° C | 20.6 ° C | % 60 | 40.3 km/h | 11% |
| 27 September 2026 Sun | Overcast |
20.8 ° C | 21.3 ° C | 21 ° C | % 62 | 33.1 km/h | 14% |
| 28 September 2026 Mon | Overcast |
20.5 ° C | 21.2 ° C | 20.8 ° C | % 65 | 38.9 km/h | 14% |
| 29 September 2026 Tue | Overcast |
20.5 ° C | 21.4 ° C | 20.9 ° C | % 65 | 43.9 km/h | 12% |
| 30 September 2026 Wed | Sunny |
20.3 ° C | 21.4 ° C | 20.9 ° C | % 68 | 47.9 km/h | 7% |
| 01 October 2026 Thu | Sunny |
20.1 ° C | 21.4 ° C | 20.9 ° C | % 70 | 45.7 km/h | 7% |
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