Live Weather & Forecast
Weather in Buenos Aires
Alajuela, Costa Rica · Real-time conditions & 3-day outlook
28°C
Feels like 31°C
82°F / Feels 88°F
Light rain shower
Buenos Aires, Alajuela
🌞 Daytime
Updated: 2026-05-12 13:30
Humidity
74%
Wind
5.8 km/h SW
Wind Gust
8 km/h
Pressure
1011 mb
Visibility
10 km
UV Index
9.6
(Very High)
Precipitation
1.63 mm
Cloud Cover
54%
Dew Point
22.7°C
Wind Degree
233°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
140.9 μg/m³
NO₂
3.5 μg/m³
O₃
36 μg/m³
SO₂
1 μg/m³
PM 2.5
4.6 μg/m³
PM 10
5.6 μg/m³
Weather Alerts 1
Met
· Severe · Immediate
LLUVIAS Y TORMENTAS ELÉCTRICAS
*Se extiende y actualiza el Aviso de Vigilancia por lluvias y tormentas eléctricas en el país. Continúa el flujo de viento con alto contenido de humedad junto a los diversos sistemas atmosféricos organizados y con mayor dinamismo, generando escenarios con lluvias significativas (moderadas a fuertes), descargas eléctricas (de ocasionales a frecuentes y de nube a tierra) y algunas ráfagas de viento...
*Se exhorta a la ciudadanía a tomar medidas de prevención y seguir las recomendaciones emitidas por los estamentos de seguridad.
Today's Hourly Forecast
24-hour breakdown for Buenos Aires, Alajuela
12 AM
18°
Clear
1 AM
18°
Clear
2 AM
18°
Clear
3 AM
17°
Patchy rain nearby
4 AM
18°
Patchy rain nearby
5 AM
17°
Patchy rain nearby
6 AM
19°
Sunny
7 AM
25°
Sunny
8 AM
27°
Sunny
9 AM
29°
Sunny
10 AM
30°
Patchy rain nearby
11 AM
30°
Patchy rain nearby
12 PM
29°
Light rain shower
1 PM
28°
Light rain shower
2 PM
27°
Light rain shower
3 PM
27°
Light rain shower
4 PM
25°
Light rain shower
5 PM
24°
Patchy rain nearby
6 PM
20°
Patchy rain nearby
7 PM
19°
Patchy rain nearby
8 PM
18°
Partly Cloudy
9 PM
18°
Clear
10 PM
18°
Clear
11 PM
17°
Clear
3-Day Forecast
Daily overview for Buenos Aires, Alajuela
Today
Moderate rain
30°
/
17°
🌧️ 96% chance of rain
💧 Avg. humidity: 83%
💨 Max wind: 6.1 km/h
🌧️ Total precip: 8.6 mm
☀️ UV Index: 10.9
🌅 Sunrise: 05:14 AM
🌇 Sunset: 05:45 PM
🌙 Waning Crescent
🌑 Moon: 29% lit
Wed, May 13
Moderate rain
30°
/
17°
🌧️ 89% chance of rain
💧 Avg. humidity: 82%
💨 Max wind: 6.1 km/h
🌧️ Total precip: 9.9 mm
☀️ UV Index: 12.9
🌅 Sunrise: 05:14 AM
🌇 Sunset: 05:45 PM
🌙 Waning Crescent
🌑 Moon: 19% lit
Thu, May 14
Moderate rain
31°
/
17°
🌧️ 79% chance of rain
💧 Avg. humidity: 82%
💨 Max wind: 6.5 km/h
🌧️ Total precip: 8.02 mm
☀️ UV Index: 12.1
🌅 Sunrise: 05:13 AM
🌇 Sunset: 05:46 PM
🌙 Waning Crescent
🌑 Moon: 11% lit
Best Time to Visit Buenos Aires
Plan your trip to Buenos Aires, Costa Rica around the most favorable weather conditions.
Peak Season
November – April
Dry season — low humidity, clear skies, comfortable temperatures.
Shoulder Season
May, October
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Wet/monsoon season; heavier rainfall possible.
Frequently Asked Questions
What is the current weather in Buenos Aires?
Current conditions in Buenos Aires: Light rain shower, temperature 28°C, humidity 74%.
What is the best time to visit Buenos Aires?
The best time to visit Buenos Aires is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Buenos Aires?
Buenos Aires is located at approximately 9.2° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Buenos Aires?
The wettest period in Buenos Aires is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Buenos Aires?
For visits to Buenos Aires during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Buenos Aires in?
Buenos Aires is located in Costa Rica, in the state of Alajuela.
What are the public holidays in Buenos Aires in 2026?
View the 2026 public holidays for Buenos Aires on our Holidays page.
What are the GPS coordinates used for the weather forecast in Buenos Aires?
The weather forecast for Buenos Aires uses coordinates 9.1727, -83.3312.
What is the current temperature outside in Buenos Aires?
The current outdoor temperature in Buenos Aires is 28°C (82°F) with light rain shower.
What is the hourly weather forecast for Buenos Aires today?
Today's hour-by-hour weather breakdown for Buenos Aires is shown in the Hourly Forecast section above, including temperature, rain chance, and conditions for each hour of the day.
What is the weather in Buenos Aires tomorrow hour by hour?
Tomorrow's forecast for Buenos Aires shows a high of 30°C and a low of 17°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Buenos Aires?
There is a 96% chance of rain in Buenos Aires today. Check the hourly forecast above for a time-by-time breakdown of when rain is most likely.
Is it going to rain today in Buenos Aires?
Yes, there is a 96% chance of rain in Buenos Aires today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.