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 August 2026 Mon 21.1 ° C ( 70°F )  Sunny |
Feels Like : 22 ° C / 71.6°F Humidity : % 79 Pressure : 1015 mb Wind Speed : 8.3 kmph / 5.1 miles from WSW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 7 |
15-day weather forecast for Sines Airport, Sines, Portugal
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 03 August 2026 Mon |  Partly Cloudy |
18.8 ° C | 23.5 ° C | 21 ° C | % 83 | 15.8 km/h | 13% |
| 04 August 2026 Tue | Sunny |
18.8 ° C | 24.3 ° C | 21.2 ° C | % 80 | 20.5 km/h | 9% |
| 05 August 2026 Wed | Sunny |
18.8 ° C | 23.4 ° C | 21 ° C | % 81 | 36.4 km/h | 10% |
| 06 August 2026 Thu | Sunny |
18.5 ° C | 23.9 ° C | 21 ° C | % 72 | 37.4 km/h | 6% |
| 07 August 2026 Fri | Sunny |
17.6 ° C | 24.5 ° C | 20.6 ° C | % 77 | 36 km/h | 8% |
| 08 August 2026 Sat | Sunny |
17.8 ° C | 23.1 ° C | 20.2 ° C | % 79 | 32.8 km/h | 9% |
| 09 August 2026 Sun | Sunny |
17.9 ° C | 22.1 ° C | 19.9 ° C | % 80 | 34.6 km/h | 9% |
| 10 August 2026 Mon | Sunny |
17.4 ° C | 22.6 ° C | 19.6 ° C | % 79 | 30.2 km/h | 9% |
| 11 August 2026 Tue | Sunny |
17.6 ° C | 23.9 ° C | 20.3 ° C | % 84 | 17.6 km/h | 15% |
| 12 August 2026 Wed | Sunny |
17.5 ° C | 25.1 ° C | 20.7 ° C | % 82 | 16.6 km/h | 12% |
| 13 August 2026 Thu | Sunny |
17.9 ° C | 23.2 ° C | 20.4 ° C | % 84 | 17.6 km/h | 12% |
| 14 August 2026 Fri | Sunny |
17.9 ° C | 22.7 ° C | 20.2 ° C | % 83 | 33.8 km/h | 11% |
| 15 August 2026 Sat | Sunny |
18.1 ° C | 23.4 ° C | 20.7 ° C | % 79 | 35.3 km/h | 9% |
| 16 August 2026 Sun | Sunny |
18.2 ° C | 24.5 ° C | 21 ° C | % 77 | 36.7 km/h | 8% |
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