Weather forecast for todayBuenos Aires, Costa Rica

Weather forecast for today

Current condition 05:49 CST

  • 23°C
  • Feels like:
    23°C
Cloudy
Cloudy
  • Precipitation: 0mm
  • Wind: 6km/hE 80°
  • Humidity: 90%
  • Dewpoint: 21°C
  • Pressure: 1011.85mbar
  • Visibility: 12.87km
  • UV index: 0
  • ▼
At the moment, thick clouds are creating a soft, diffused light over the area.
The temperature is a temperate 23°C. The current temperature is near the lowest predicted 22°C for today.

Sunday 25. Oct 2026

  • 30°C
  • 22°C
Thunderstorms
Thunderstorms
  • Precip. probability: 95%
  • Precipitation: 26mm
  • Wind: 14km/hS 175°
  • Humidity: 81%
  • UV index: 9
  • Sunrise: 05:21 CST
  • Sunset: 17:12 CST
  • ▼
Today, in Buenos Aires, electrical storms are a possibility.
Elevated precipitation of 26mm is forecasted. Temperature span will be from a high of a blazing 30°C to a low of an agreeable 22°C.
The maximum heat index, which adjusts the air temperature based on humidity, is estimated at a sweltering 38°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Today's highest temperature will be a few degrees higher than the average October maximum of 27.7°C.
Sunrise was at 05:21 and sunset will be at 17:12; the daylight will last for 11h and 51min.

Hourly overview

Hourly temperatures

Warmest period: 10h - 12h 33°C.
Coldest hour: 6h 23°C.

Chance of precipitation

Highest chance: 12h - 14h 94%.

Hourly weather forecast

  • 6h
  • 23°C
  • Feels like:
    23°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 7km/hE 79°
  • Humidity: 89%
  • Pressure: 1012mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
  • 8h
  • 26°C
  • Feels like:
    29°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 10km/hESE 110°
  • Humidity: 79%
  • Pressure: 1013mbar
  • Visibility: 16km
  • UV index: 4
  • ▼
  • 10h
  • 29°C
  • Feels like:
    33°C
Cloudy
Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 13km/hSSE 148°
  • Humidity: 69%
  • Pressure: 1013mbar
  • Visibility: 16km
  • UV index: 7
  • ▼
  • 12h
  • 29°C
  • Feels like:
    33°C
Thunderstorms
Thunderstorms
  • Precip. probability: 94%
  • Precipitation: 2mm
  • Wind: 15km/hSW 222°
  • Humidity: 76%
  • Pressure: 1010mbar
  • Visibility: 10km
  • UV index: 6
  • ▼
  • 14h
  • 28°C
  • Feels like:
    32°C
Thunderstorms
Thunderstorms
  • Precip. probability: 94%
  • Precipitation: 3mm
  • Wind: 12km/hWSW 242°
  • Humidity: 84%
  • Pressure: 1010mbar
  • Visibility: 6km
  • UV index: 1
  • ▼
  • 16h
  • 26°C
  • Feels like:
    29°C
Rain
Rain
  • Precip. probability: 87%
  • Precipitation: 3mm
  • Wind: 8km/hSW 220°
  • Humidity: 90%
  • Pressure: 1010mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
Sunset: 17:12
  • 18h
  • 25°C
  • Feels like:
    28°C
Rain
Rain
  • Precip. probability: 82%
  • Precipitation: 2mm
  • Wind: 6km/hESE 110°
  • Humidity: 88%
  • Pressure: 1011mbar
  • Visibility: 3km
  • UV index: 0
  • ▼
  • 20h
  • 25°C
  • Feels like:
    28°C
Showers
Showers
  • Precip. probability: 63%
  • Precipitation: 4mm
  • Wind: 6km/hE 96°
  • Humidity: 92%
  • Pressure: 1013mbar
  • Visibility: 3km
  • UV index: 0
  • ▼
  • 22h
  • 25°C
  • Feels like:
    28°C
Showers
Showers
  • Precip. probability: 46%
  • Precipitation: 1mm
  • Wind: 5km/hE 96°
  • Humidity: 90%
  • Pressure: 1013mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
Today, a combination of wet, dull and stormy weather is anticipated.
Rain is anticipated from 12h to 23h. With moderate precipitation of 4mm, most rainfall is expected at 20h.
The temperature will vary between the lowest temperature of 23°C and the highest temperature of 30°C. The feels-like temperature will vary between a minimum of 23°C and a maximum of 34°C. The hottest part of the day is expected around 11h.
Today, the forecasted high will be a couple of degrees higher than October's typical peak temperature. Today, expect the temperature to dip to a level also slightly cooler than the average October low.
October brings the coldest weather in Buenos Aires, with average highs near 27.7°C and average lows at 24.1°C.
Updated: Oct 25, 2026 @ 11:49:14 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 05:49 CST is 23°C.

On Sunday, the potential for thunderstorms remains.

Yes. With a probability of 95%, substantial precipitation of 26mm is anticipated.

Today, the highest temperature will be 30°C, while the lowest temperature will be 22°C. The maximum heat index, which integrates air moisture with ambient temperature, is calculated to be 38°C.
Today, the highest temperature will be slightly warmer than the average maximum temperature in October. The lowest temperature today will be also moderately lower than the average low temperature.

On Sunday, in Buenos Aires, sunrise was at 05:21 and sunset will be at 17:12 (CST).

In Buenos Aires, the length of the day today will be 11h and 51min.