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
| 24 August 2026 Mon 27.1 ° C ( 80.9°F )  Light rain shower |
Feels Like : 30.1 ° C / 86.2°F Humidity : % 80 Pressure : 1016 mb Wind Speed : 17.3 kmph / 10.7 miles from ESE 
Visibility : 10 km Precipitation (rainfall) : 0.23 mm Cloud (%) : 97 |
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 |
|---|---|---|---|---|---|---|---|
| 24 August 2026 Mon |  Patchy rain nearby |
26.6 ° C | 30.6 ° C | 28.4 ° C | % 76 | 28.1 km/h | 69% |
| 25 August 2026 Tue | Patchy rain nearby |
26.5 ° C | 31.1 ° C | 28.5 ° C | % 76 | 28.4 km/h | 51% |
| 26 August 2026 Wed |  Sunny |
27 ° C | 30.6 ° C | 28.6 ° C | % 74 | 29.5 km/h | 36% |
| 27 August 2026 Thu | Patchy rain nearby |
27.1 ° C | 30.3 ° C | 28.4 ° C | % 75 | 29.2 km/h | 65% |
| 28 August 2026 Fri |  Overcast |
26.4 ° C | 30.7 ° C | 28.5 ° C | % 73 | 27.7 km/h | 65% |
| 29 August 2026 Sat | Patchy rain nearby |
27.1 ° C | 30 ° C | 28.4 ° C | % 77 | 25.9 km/h | 78% |
| 30 August 2026 Sun | Patchy rain nearby |
26.7 ° C | 30.4 ° C | 28.4 ° C | % 75 | 28.8 km/h | 62% |
| 31 August 2026 Mon | Patchy rain nearby |
26.5 ° C | 30.3 ° C | 28.2 ° C | % 76 | 29.2 km/h | 63% |
| 01 September 2026 Tue | Sunny |
26.1 ° C | 31.1 ° C | 28.3 ° C | % 73 | 28.1 km/h | 36% |
| 02 September 2026 Wed | Sunny |
25.6 ° C | 31.2 ° C | 28.2 ° C | % 76 | 30.2 km/h | 69% |
| 03 September 2026 Thu | Patchy rain nearby |
27.2 ° C | 30.9 ° C | 28.7 ° C | % 75 | 28.4 km/h | 44% |
| 04 September 2026 Fri | Patchy rain nearby |
26.8 ° C | 30.4 ° C | 28.5 ° C | % 74 | 28.4 km/h | 36% |
| 05 September 2026 Sat | Patchy rain nearby |
26.9 ° C | 30.3 ° C | 28.6 ° C | % 73 | 27.4 km/h | 36% |
| 06 September 2026 Sun | Patchy rain nearby |
26.4 ° C | 30.5 ° C | 28.3 ° C | % 75 | 28.8 km/h | 42% |
Add a link to your web page; copy and paste this html to your web page
