Juan Santamaria International Airport (SJO) 15 Day Weather Forecast, San Jose Costa Rica
Current weather conditions and 15 day weather forecast for Juan Santamaria International Airport in San Jose, Costa Rica 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 SJO
| 11 January 2026 Sun 21.3 ° C ( 70.3°F )  Partly cloudy |
Feels Like : 21.3 ° C / 70.3°F Humidity : % 56 Pressure : 1017 mb Wind Speed : 9 kmph / 5.6 miles from NE 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
15-day weather forecast for Juan Santamaria International Airport, San Jose, Costa Rica
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 11 January 2026 Sun |  Sunny |
14.7 ° C | 27.6 ° C | 19.5 ° C | % 70 | 16.6 km/h | 0% |
| 12 January 2026 Mon | Sunny |
14.6 ° C | 27.7 ° C | 19.6 ° C | % 67 | 16.9 km/h | 0% |
| 13 January 2026 Tue |  Patchy rain nearby |
14.9 ° C | 28 ° C | 19.8 ° C | % 72 | 12.2 km/h | 83% |
| 14 January 2026 Wed | Patchy rain nearby |
14.7 ° C | 29.7 ° C | 20.1 ° C | % 75 | 9 km/h | 80% |
| 15 January 2026 Thu | Patchy rain nearby |
14.5 ° C | 29.8 ° C | 18 ° C | % 83 | 9.4 km/h | 60% |
| 16 January 2026 Fri | Patchy rain nearby |
15.9 ° C | 27.3 ° C | 19.9 ° C | % 77 | 14 km/h | 0% |
| 17 January 2026 Sat | Patchy rain nearby |
16.3 ° C | 28.6 ° C | 20.9 ° C | % 76 | 9.4 km/h | 81% |
| 18 January 2026 Sun | Patchy rain nearby |
17.4 ° C | 29 ° C | 21 ° C | % 82 | 8.6 km/h | 85% |
| 19 January 2026 Mon | Patchy rain nearby |
18 ° C | 29.9 ° C | 21.2 ° C | % 83 | 7.6 km/h | 88% |
| 20 January 2026 Tue | Patchy rain nearby |
16.9 ° C | 27.7 ° C | 20.9 ° C | % 83 | 7.9 km/h | 84% |
| 21 January 2026 Wed | Patchy rain nearby |
17.6 ° C | 27.6 ° C | 21.3 ° C | % 79 | 14.4 km/h | 87% |
| 22 January 2026 Thu | Patchy rain nearby |
17.5 ° C | 27.3 ° C | 21.4 ° C | % 76 | 12.6 km/h | 88% |
| 23 January 2026 Fri | Patchy rain nearby |
17.8 ° C | 23.2 ° C | 19.4 ° C | % 85 | 12.6 km/h | 89% |
| 24 January 2026 Sat | Patchy rain nearby |
17.4 ° C | 25.3 ° C | 20.4 ° C | % 76 | 17.6 km/h | 88% |
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