Isla Grande Airport (SIG) 15 Day Weather Forecast, San Juan Puerto Rico
Current weather conditions and 15 day weather forecast for Isla Grande Airport in San Juan, Puerto Rico 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 SIG
| 15 November 2026 Sun 25.3 ° C ( 77.5°F )  Overcast |
Feels Like : 27.9 ° C / 82.2°F Humidity : % 88 Pressure : 1017 mb Wind Speed : 13 kmph / 8.1 miles from SSE 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 88 |
15-day weather forecast for Isla Grande Airport, San Juan, Puerto Rico
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 15 November 2026 Sun |  Cloudy |
23.7 ° C | 30.3 ° C | 26.5 ° C | % 76 | 15.1 km/h | 16% |
| 16 November 2026 Mon |  Patchy rain nearby |
22.9 ° C | 29.1 ° C | 25.7 ° C | % 81 | 13.7 km/h | 65% |
| 17 November 2026 Tue | Patchy rain nearby |
22.8 ° C | 28.6 ° C | 25.6 ° C | % 83 | 15.1 km/h | 67% |
| 18 November 2026 Wed | Patchy rain nearby |
23.2 ° C | 29.7 ° C | 25.4 ° C | % 84 | 14.4 km/h | 84% |
| 19 November 2026 Thu |  Partly Cloudy |
22.8 ° C | 29 ° C | 25.3 ° C | % 83 | 13.3 km/h | 66% |
| 20 November 2026 Fri | Patchy rain nearby |
22.9 ° C | 29.5 ° C | 25.4 ° C | % 83 | 11.2 km/h | 68% |
| 21 November 2026 Sat | Partly Cloudy |
23.2 ° C | 30.2 ° C | 25.7 ° C | % 82 | 8.3 km/h | 36% |
| 22 November 2026 Sun | Patchy rain nearby |
22.7 ° C | 29.9 ° C | 25.7 ° C | % 82 | 11.9 km/h | 69% |
| 23 November 2026 Mon | Patchy rain nearby |
23.9 ° C | 27.2 ° C | 25.3 ° C | % 87 | 11.5 km/h | 63% |
| 24 November 2026 Tue | Patchy rain nearby |
23.8 ° C | 30.3 ° C | 26 ° C | % 82 | 11.9 km/h | 56% |
| 25 November 2026 Wed | Patchy rain nearby |
23.6 ° C | 29.4 ° C | 25.9 ° C | % 84 | 14.8 km/h | 68% |
| 26 November 2026 Thu | Patchy rain nearby |
24.1 ° C | 29.4 ° C | 26 ° C | % 82 | 15.1 km/h | 51% |
| 27 November 2026 Fri | Patchy rain nearby |
24.1 ° C | 29.5 ° C | 26 ° C | % 80 | 16.2 km/h | 41% |
| 28 November 2026 Sat | Patchy rain nearby |
23.8 ° C | 29.4 ° C | 26.2 ° C | % 78 | 16.6 km/h | 38% |
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