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
| 19 December 2025 Fri 12.4 ° C ( 54.3°F )  Patchy rain nearby |
Feels Like : 9.7 ° C / 49.4°F Humidity : % 66 Pressure : 1021 mb Wind Speed : 29.9 kmph / 18.6 miles from N 
Visibility : 10 km Precipitation (rainfall) : 0.01 mm Cloud (%) : 74 |
15-day weather forecast for Sines Airport, Sines, Portugal
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 19 December 2025 Fri |  Moderate rain |
12.3 ° C | 13.8 ° C | 13.2 ° C | % 77 | 34.2 km/h | 99% |
| 20 December 2025 Sat | Patchy rain nearby |
12.2 ° C | 15 ° C | 13.6 ° C | % 69 | 29.5 km/h | 86% |
| 21 December 2025 Sun | Moderate rain |
11.6 ° C | 13.5 ° C | 12.7 ° C | % 77 | 55.4 km/h | 83% |
| 22 December 2025 Mon | Patchy rain nearby |
12.9 ° C | 15 ° C | 13.8 ° C | % 71 | 48.6 km/h | 87% |
| 23 December 2025 Tue | Moderate rain |
13.8 ° C | 15.4 ° C | 14.8 ° C | % 82 | 44.6 km/h | 87% |
| 24 December 2025 Wed | Patchy rain nearby |
12.4 ° C | 13.9 ° C | 13.5 ° C | % 71 | 36 km/h | 86% |
| 25 December 2025 Thu | Patchy rain nearby |
11.9 ° C | 14.3 ° C | 13 ° C | % 74 | 39.6 km/h | 86% |
| 26 December 2025 Fri | Patchy rain nearby |
10.2 ° C | 13.3 ° C | 11.6 ° C | % 76 | 16.9 km/h | 85% |
| 27 December 2025 Sat | Patchy rain nearby |
10.7 ° C | 13.1 ° C | 11.7 ° C | % 73 | 27.4 km/h | 82% |
| 28 December 2025 Sun | Patchy rain nearby |
10.7 ° C | 12.7 ° C | 11.4 ° C | % 67 | 19.1 km/h | 86% |
| 29 December 2025 Mon | Patchy rain nearby |
8.9 ° C | 11.5 ° C | 9.8 ° C | % 79 | 22.3 km/h | 87% |
| 30 December 2025 Tue | Patchy rain nearby |
8.2 ° C | 12.3 ° C | 10.1 ° C | % 79 | 21.6 km/h | 74% |
| 31 December 2025 Wed | Patchy rain nearby |
9.9 ° C | 13.2 ° C | 11.3 ° C | % 76 | 8.6 km/h | 81% |
| 01 January 2026 Thu | Patchy rain nearby |
11.1 ° C | 12.9 ° C | 11.8 ° C | % 78 | 19.4 km/h | 84% |
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