Sines Airport (SIE) 15 Day Weather Forecast, Sines Portugal
Current weather conditions and 15 day weather forecast for Sines Airport in Sines, Portugal 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 SIE
| 03 October 2026 Sat 20.6 ° C ( 69.1°F )  Overcast |
Feels Like : 20.1 ° C / 68.2°F Humidity : % 84 Pressure : 1017 mb Wind Speed : 16.6 kmph / 10.3 miles from NW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for Sines Airport, Sines, Portugal
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 03 October 2026 Sat | Overcast |
19.3 ° C | 21.4 ° C | 20.1 ° C | % 80 | 20.2 km/h | 21% |
| 04 October 2026 Sun | Overcast |
19.7 ° C | 21.1 ° C | 20.2 ° C | % 85 | 18.7 km/h | 17% |
| 05 October 2026 Mon | Overcast |
19.3 ° C | 20.7 ° C | 19.9 ° C | % 86 | 20.9 km/h | 30% |
| 06 October 2026 Tue |  Patchy rain nearby |
19.1 ° C | 19.8 ° C | 19.5 ° C | % 87 | 18 km/h | 51% |
| 07 October 2026 Wed |  Sunny |
18.2 ° C | 19.1 ° C | 18.5 ° C | % 90 | 38.5 km/h | 34% |
| 08 October 2026 Thu | Overcast |
17.5 ° C | 19.8 ° C | 18.8 ° C | % 82 | 29.5 km/h | 31% |
| 09 October 2026 Fri | Overcast |
18.3 ° C | 20.4 ° C | 19.3 ° C | % 77 | 22 km/h | 67% |
| 10 October 2026 Sat | Sunny |
18.2 ° C | 20 ° C | 19.3 ° C | % 80 | 23 km/h | 10% |
| 11 October 2026 Sun | Sunny |
18.8 ° C | 21.1 ° C | 19.8 ° C | % 81 | 15.5 km/h | 10% |
| 12 October 2026 Mon | Sunny |
19.7 ° C | 23 ° C | 20.8 ° C | % 75 | 19.1 km/h | 8% |
| 13 October 2026 Tue | Sunny |
19.5 ° C | 20.7 ° C | 20 ° C | % 81 | 20.5 km/h | 11% |
| 14 October 2026 Wed | Sunny |
18.7 ° C | 19.5 ° C | 19.2 ° C | % 82 | 22 km/h | 10% |
| 15 October 2026 Thu | Sunny |
16.9 ° C | 18.9 ° C | 18 ° C | % 76 | 40.7 km/h | 25% |
| 16 October 2026 Fri | Sunny |
16.5 ° C | 18.5 ° C | 17.3 ° C | % 71 | 38.5 km/h | 7% |
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