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

21 December 2025 Sun
22 ° C
( 71.6°F )

Partly Cloudy
Partly Cloudy
Feels Like : 24.5 ° C / 76.2°F
Humidity : % 69
Pressure : 1016 mb
Wind Speed : 7.9 kmph / 4.9 miles from NENE
Visibility : 10 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 25

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
20 December 2025 Sat Partly Cloudy  Partly Cloudy 16.2 ° C 27.9 ° C 20.7 ° C % 75 13.7 km/h 0%
21 December 2025 Sun Sunny Sunny 15.2 ° C 27.9 ° C 20 ° C % 73 9.7 km/h 0%
22 December 2025 Mon Sunny Sunny 14 ° C 27.6 ° C 19.2 ° C % 67 14 km/h 0%
23 December 2025 Tue Patchy rain nearby Patchy rain nearby 14.1 ° C 28 ° C 20 ° C % 72 10.8 km/h 83%
24 December 2025 Wed Patchy rain nearby Patchy rain nearby 15.4 ° C 27.7 ° C 20.1 ° C % 76 10.4 km/h 88%
25 December 2025 Thu Patchy rain nearby Patchy rain nearby 15.3 ° C 28.3 ° C 18.4 ° C % 79 9.4 km/h 75%
26 December 2025 Fri Patchy rain nearby Patchy rain nearby 15.6 ° C 28.5 ° C 19.6 ° C % 81 8.3 km/h 82%
27 December 2025 Sat Patchy rain nearby Patchy rain nearby 15.1 ° C 27.1 ° C 19.2 ° C % 81 8.6 km/h 84%
28 December 2025 Sun Partly Cloudy  Partly Cloudy 15 ° C 27.9 ° C 19.7 ° C % 72 9 km/h 0%
29 December 2025 Mon Partly Cloudy  Partly Cloudy 13.7 ° C 28.2 ° C 19.2 ° C % 71 9.4 km/h 0%
30 December 2025 Tue Patchy rain nearby Patchy rain nearby 15.1 ° C 27.9 ° C 19.6 ° C % 77 8.6 km/h 84%
31 December 2025 Wed Partly Cloudy  Partly Cloudy 14.6 ° C 29.3 ° C 20 ° C % 73 9 km/h 0%
01 January 2026 Thu Patchy rain nearby Patchy rain nearby 15 ° C 27 ° C 19.7 ° C % 79 8.3 km/h 82%
02 January 2026 Fri Patchy rain nearby Patchy rain nearby 16.2 ° C 24.1 ° C 19 ° C % 88 7.6 km/h 84%
Weather forecasts are usually fully updated every 3 hours.

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