San Juan Airport (SJA) 15 Day Weather Forecast, San Juan Peru
Current weather conditions and 15 day weather forecast for San Juan Airport in San Juan, Peru 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 SJA
| 21 December 2025 Sun 20.6 ° C ( 69.1°F )  Sunny |
Feels Like : 20.6 ° C / 69.1°F Humidity : % 73 Pressure : 1011 mb Wind Speed : 28.8 kmph / 17.9 miles from SSE 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for San Juan Airport, San Juan, Peru
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 21 December 2025 Sun | Sunny |
18.1 ° C | 21 ° C | 19.6 ° C | % 83 | 29.2 km/h | 0% |
| 22 December 2025 Mon |  Patchy rain nearby |
19.2 ° C | 22.8 ° C | 20.6 ° C | % 81 | 27.7 km/h | 86% |
| 23 December 2025 Tue | Patchy rain nearby |
18.8 ° C | 22.4 ° C | 20.3 ° C | % 80 | 27 km/h | 88% |
| 24 December 2025 Wed | Patchy rain nearby |
18.6 ° C | 22.3 ° C | 20.1 ° C | % 78 | 22 km/h | 82% |
| 25 December 2025 Thu | Sunny |
18.6 ° C | 22.2 ° C | 19.8 ° C | % 82 | 19.1 km/h | 0% |
| 26 December 2025 Fri | Sunny |
19 ° C | 22.2 ° C | 20.3 ° C | % 82 | 16.6 km/h | 0% |
| 27 December 2025 Sat |  Partly Cloudy |
18.2 ° C | 21.9 ° C | 19.7 ° C | % 84 | 22 km/h | 0% |
| 28 December 2025 Sun | Sunny |
18.5 ° C | 21.4 ° C | 19.7 ° C | % 83 | 23 km/h | 0% |
| 29 December 2025 Mon | Sunny |
18.1 ° C | 21.4 ° C | 19.6 ° C | % 82 | 22 km/h | 0% |
| 30 December 2025 Tue | Sunny |
17.6 ° C | 21.1 ° C | 19.2 ° C | % 82 | 20.9 km/h | 0% |
| 31 December 2025 Wed | Partly Cloudy |
17.7 ° C | 21.3 ° C | 19.7 ° C | % 83 | 25.9 km/h | 0% |
| 01 January 2026 Thu | Partly Cloudy |
18.8 ° C | 21.1 ° C | 19.9 ° C | % 82 | 20.5 km/h | 0% |
| 02 January 2026 Fri | Partly Cloudy |
18 ° C | 20.5 ° C | 19.3 ° C | % 82 | 14.4 km/h | 0% |
| 03 January 2026 Sat | Partly Cloudy |
18.1 ° C | 20 ° C | 19.3 ° C | % 84 | 11.5 km/h | 0% |
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