Weather forecast for todayGuacimo, Costa Rica

Weather forecast for today

Current condition 13:59 CST

  • 26°C
  • Feels like:
    31°C
Heavy Thunderstorm
Heavy Thunderstorm
  • Precipitation: 7mm
  • Wind: 13km/hWNW 290°
  • Humidity: 90%
  • Dewpoint: 24°C
  • Pressure: 1009.48mbar
  • Visibility: 4.83km
  • UV index: 3
  • ▼
In Guacimo, currently, strong thunderstorms are leading to heavy downpours and potential flooding.
Rainfall is moderate.
The temperature is a moderately hot 26°C, while the felt air temperature, which integrates air moisture with ambient temperature, is evaluated at a blazing 31°C. The current temperature is almost at the maximum expected 27°C for today.

Sunday 18. Oct 2026

  • 27°C
  • 24°C
Thunderstorms
Thunderstorms
  • Precip. probability: 100%
  • Precipitation: 9mm
  • Wind: 13km/hSSW 201°
  • Humidity: 91%
  • UV index: 1
  • Sunrise: 05:23 CST
  • Sunset: 17:16 CST
  • ▼
On Sunday, 18th of October, unstable skies bring the chance of thunderstorms.
The chance of precipitation for today is high. However, the rainfall will be light. Temperature shifts will be modest, ranging from a peak of a warm 27°C to a low of a moderately hot 24°C.
The maximum heat index, which combines relative humidity and air temperature, is appraised at a hot 31°C. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Today's maximum temperature is expected to be moderately lower than the common October peak of 30.2°C.
Sunrise was at 05:23 and sunset will be at 17:16; the daylight will last for 11h and 53min.

Hourly overview

Hourly temperatures

Warmest hour: 14h 31°C.
Coldest hour: 20h 25°C.

Chance of precipitation

Highest chance: 100%.

Hourly weather forecast

  • 14h
  • 26°C
  • Feels like:
    31°C
Thunderstorms
Thunderstorms
  • Precip. probability: 100%
  • Precipitation: 4mm
  • Wind: 13km/hWNW 291°
  • Humidity: 90%
  • Pressure: 1009mbar
  • Visibility: 6km
  • UV index: 1
  • ▼
  • 15h
  • 26°C
  • Feels like:
    30°C
Thunderstorms
Thunderstorms
  • Precip. probability: 93%
  • Precipitation: 3mm
  • Wind: 10km/hENE 76°
  • Humidity: 90%
  • Pressure: 1008mbar
  • Visibility: 4km
  • UV index: 1
  • ▼
  • 16h
  • 26°C
  • Feels like:
    30°C
Thunderstorms
Thunderstorms
  • Precip. probability: 100%
  • Precipitation: 1mm
  • Wind: 8km/hSW 233°
  • Humidity: 92%
  • Pressure: 1009mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 17h
  • 26°C
  • Feels like:
    30°C
Thunderstorms
Thunderstorms
  • Precip. probability: 100%
  • Precipitation: 1mm
  • Wind: 7km/hSW 217°
  • Humidity: 91%
  • Pressure: 1010mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
Sunset: 17:16
  • 18h
  • 26°C
  • Feels like:
    26°C
Light Rain
Light Rain
  • Precip. probability: 100%
  • Precipitation: 1mm
  • Wind: 5km/hSE 124°
  • Humidity: 92%
  • Pressure: 1010mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 19h
  • 26°C
  • Feels like:
    26°C
Showers
Showers
  • Precip. probability: 76%
  • Precipitation: 1mm
  • Wind: 5km/hE 94°
  • Humidity: 92%
  • Pressure: 1011mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
  • 20h
  • 25°C
  • Feels like:
    25°C
Cloudy
Cloudy
  • Precip. probability: 20%
  • Precipitation: 0mm
  • Wind: 6km/hESE 103°
  • Humidity: 93%
  • Pressure: 1011mbar
  • Visibility: 5km
  • UV index: 0
  • ▼
  • 21h
  • 25°C
  • Feels like:
    29°C
Showers
Showers
  • Precip. probability: 39%
  • Precipitation: 1mm
  • Wind: 6km/hENE 78°
  • Humidity: 93%
  • Pressure: 1011mbar
  • Visibility: 4km
  • UV index: 0
  • ▼
  • 22h
  • 25°C
  • Feels like:
    29°C
Few Showers
Few Showers
  • Precip. probability: 34%
  • Precipitation: 1mm
  • Wind: 5km/hSSE 162°
  • Humidity: 93%
  • Pressure: 1011mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
  • 23h
  • 25°C
  • Feels like:
    29°C
Cloudy
Cloudy
  • Precip. probability: 19%
  • Precipitation: 0mm
  • Wind: 6km/hE 86°
  • Humidity: 93%
  • Pressure: 1011mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
For the remainder of Sunday, a combination of stormy, showery and cloudy weather is forecasted.
Rainfall is anticipated from 14h to 19h, 21h and at 22h. With moderate precipitation of 4mm, most rainfall is expected at 14h.
The temperature will vary between a minimum of 25°C and a maximum of 26°C. The feels-like temperature will be between a maximum of 31°C and a minimum of 25°C.
The highest temperature will be a couple of degrees lower than October's average maximum of 30.2°C. The expected low will be also close to the average minimum in October, which is 24.2°C.
Updated: Oct 18, 2026 @ 19:59:09 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Yes, it currently rains, with moderate precipitation of 7mm.

The current temperature (13:59 CST) is 26°C. Feels-like temperature is 31°C.

Today, expect isolated thunderstorms in the area.

With a probability of 100%, light precipitation of 9mm is predicted.

Today, the highest temperature will be 27°C, while the lowest temperature will be 24°C. The maximum heat index, which reflects the perceived temperature due to humidity levels, is appraised at 31°C.
Today, the highest temperature will be moderately lower than the average maximum temperature in October. The lowest temperature will be in line with the average low of 24.2°C.

On Sunday, in Guacimo, sunrise was at 05:23 and sunset will be at 17:16 (CST).

In Guacimo, today, there will be 11h and 53min of daylight.