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
| 27 July 2025 Sun 29.1 ° C ( 84.4°F )  Partly cloudy |
Feels Like : 33.6 ° C / 92.6°F Humidity : % 79 Pressure : 1017 mb Wind Speed : 25.2 kmph / 15.7 miles from E 
Visibility : 14 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15-day weather forecast for Isla Grande Airport, San Juan, Puerto Rico
| Date | |
|---|---|
| 27 July 2025 Sun | |
| Weather forecast |  Moderate rain |
| Low temperature | 25.5 ° C |
| High temperature | 30.2 ° C |
| Average Temperature | 27.7 ° C |
| Humidity | % 84 |
| Wind | 25.2 km/h |
| Chance of rain | 84% |
| 28 July 2025 Mon | |
| Weather forecast | Partly Cloudy |
| Low temperature | 25.9 ° C |
| High temperature | 28.7 ° C |
| Average Temperature | 27.3 ° C |
| Humidity | % 85 |
| Wind | 26.3 km/h |
| Chance of rain | 0% |
| 29 July 2025 Tue | |
| Weather forecast |  Overcast |
| Low temperature | 26.6 ° C |
| High temperature | 30.4 ° C |
| Average Temperature | 28 ° C |
| Humidity | % 84 |
| Wind | 28.1 km/h |
| Chance of rain | 0% |
| 30 July 2025 Wed | |
| Weather forecast |  Patchy rain nearby |
| Low temperature | 24.9 ° C |
| High temperature | 29.4 ° C |
| Average Temperature | 27.3 ° C |
| Humidity | % 74 |
| Wind | 22.7 km/h |
| Chance of rain | 84% |
| 31 July 2025 Thu | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 25.2 ° C |
| High temperature | 30.4 ° C |
| Average Temperature | 27.7 ° C |
| Humidity | % 73 |
| Wind | 28.4 km/h |
| Chance of rain | 88% |
| 01 August 2025 Fri | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 25.5 ° C |
| High temperature | 30.9 ° C |
| Average Temperature | 27.7 ° C |
| Humidity | % 76 |
| Wind | 28.1 km/h |
| Chance of rain | 87% |
| 02 August 2025 Sat | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 25.9 ° C |
| High temperature | 30 ° C |
| Average Temperature | 27.7 ° C |
| Humidity | % 77 |
| Wind | 30.2 km/h |
| Chance of rain | 87% |
| 03 August 2025 Sun | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 25.9 ° C |
| High temperature | 30.2 ° C |
| Average Temperature | 27.8 ° C |
| Humidity | % 76 |
| Wind | 27.7 km/h |
| Chance of rain | 88% |
| 04 August 2025 Mon | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 25.5 ° C |
| High temperature | 30.5 ° C |
| Average Temperature | 27.8 ° C |
| Humidity | % 74 |
| Wind | 30.2 km/h |
| Chance of rain | 0% |
| 05 August 2025 Tue | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 25.2 ° C |
| High temperature | 30 ° C |
| Average Temperature | 27.4 ° C |
| Humidity | % 74 |
| Wind | 29.2 km/h |
| Chance of rain | 83% |
| 06 August 2025 Wed | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 25.3 ° C |
| High temperature | 30.6 ° C |
| Average Temperature | 27.6 ° C |
| Humidity | % 72 |
| Wind | 27.4 km/h |
| Chance of rain | 0% |
| 07 August 2025 Thu | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 25.9 ° C |
| High temperature | 30.2 ° C |
| Average Temperature | 27.6 ° C |
| Humidity | % 73 |
| Wind | 28.4 km/h |
| Chance of rain | 87% |
| 08 August 2025 Fri | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 24.8 ° C |
| High temperature | 30.5 ° C |
| Average Temperature | 27.3 ° C |
| Humidity | % 75 |
| Wind | 29.2 km/h |
| Chance of rain | 89% |
| 09 August 2025 Sat | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 24.9 ° C |
| High temperature | 30.7 ° C |
| Average Temperature | 27.6 ° C |
| Humidity | % 75 |
| Wind | 28.1 km/h |
| Chance of rain | 75% |
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 27 July 2025 Sun | Moderate rain |
25.5 ° C | 30.2 ° C | 27.7 ° C | % 84 | 25.2 km/h | 84% |
| 28 July 2025 Mon | Partly Cloudy |
25.9 ° C | 28.7 ° C | 27.3 ° C | % 85 | 26.3 km/h | 0% |
| 29 July 2025 Tue | Overcast |
26.6 ° C | 30.4 ° C | 28 ° C | % 84 | 28.1 km/h | 0% |
| 30 July 2025 Wed | Patchy rain nearby |
24.9 ° C | 29.4 ° C | 27.3 ° C | % 74 | 22.7 km/h | 84% |
| 31 July 2025 Thu | Patchy rain nearby |
25.2 ° C | 30.4 ° C | 27.7 ° C | % 73 | 28.4 km/h | 88% |
| 01 August 2025 Fri | Patchy rain nearby |
25.5 ° C | 30.9 ° C | 27.7 ° C | % 76 | 28.1 km/h | 87% |
| 02 August 2025 Sat | Patchy rain nearby |
25.9 ° C | 30 ° C | 27.7 ° C | % 77 | 30.2 km/h | 87% |
| 03 August 2025 Sun | Patchy rain nearby |
25.9 ° C | 30.2 ° C | 27.8 ° C | % 76 | 27.7 km/h | 88% |
| 04 August 2025 Mon | Patchy rain nearby |
25.5 ° C | 30.5 ° C | 27.8 ° C | % 74 | 30.2 km/h | 0% |
| 05 August 2025 Tue | Patchy rain nearby |
25.2 ° C | 30 ° C | 27.4 ° C | % 74 | 29.2 km/h | 83% |
| 06 August 2025 Wed | Patchy rain nearby |
25.3 ° C | 30.6 ° C | 27.6 ° C | % 72 | 27.4 km/h | 0% |
| 07 August 2025 Thu | Patchy rain nearby |
25.9 ° C | 30.2 ° C | 27.6 ° C | % 73 | 28.4 km/h | 87% |
| 08 August 2025 Fri | Patchy rain nearby |
24.8 ° C | 30.5 ° C | 27.3 ° C | % 75 | 29.2 km/h | 89% |
| 09 August 2025 Sat | Patchy rain nearby |
24.9 ° C | 30.7 ° C | 27.6 ° C | % 75 | 28.1 km/h | 75% |
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