Weather forecast for tomorrowCuilco, Guatemala

Weather forecast for tomorrow

Wednesday 21. Oct 2026

  • 28°C
  • 18°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 96%
  • Precipitation: 18mm
  • Wind: 11km/hNNW 347°
  • Humidity: 77%
  • UV index: 7
  • Sunrise: 06:00 CST
  • Sunset: 17:43 CST
  • ▼
Tomorrow, rain with scattered lightning is expected during the afternoon.
The likelihood of rain is high, and precipitation will be moderate. The temperature scale will run from a maximum of a moderately hot 28°C to a minimum of an enjoyable 18°C.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is evaluated at a blazing 32°C. Note that heat index values are valued for light wind and location in the shade.
The peak temperature will be noticeably higher than the regular high for October of 17.1°C.
Sunrise will be at 06:00 and sunset at 17:43; tomorrow's daylight will last for 11h and 43min.

Hourly overview

Hourly temperatures

Warmest hour: 12h 29°C.
Coldest hour: 6h 18°C.

Chance of precipitation

Highest chance: 18h 94%.

Hourly weather forecast

  • 0h
  • 20°C
  • Feels like:
    21°C
Cloudy
Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 0km/hNE 46°
  • Humidity: 97%
  • Pressure: 1015mbar
  • Visibility: 5km
  • UV index: 0
  • ▼
  • 2h
  • 19°C
  • Feels like:
    20°C
Cloudy
Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 0km/hSE 134°
  • Humidity: 99%
  • Pressure: 1014mbar
  • Visibility: 5km
  • UV index: 0
  • ▼
  • 4h
  • 18°C
  • Feels like:
    18°C
Cloudy
Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 0km/hNE 38°
  • Humidity: 100%
  • Pressure: 1014mbar
  • Visibility: 3km
  • UV index: 0
  • ▼
  • 6h
  • 18°C
  • Feels like:
    18°C
Cloudy
Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 1km/hE 93°
  • Humidity: 100%
  • Pressure: 1014mbar
  • Visibility: 4km
  • UV index: 0
  • ▼
Sunrise: 06:00
  • 8h
  • 21°C
  • Feels like:
    22°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 1km/hNE 51°
  • Humidity: 91%
  • Pressure: 1015mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
  • 10h
  • 25°C
  • Feels like:
    27°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 4km/hNNE 23°
  • Humidity: 71%
  • Pressure: 1014mbar
  • Visibility: 16km
  • UV index: 7
  • ▼
  • 12h
  • 27°C
  • Feels like:
    29°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 51%
  • Precipitation: 1mm
  • Wind: 7km/hN 358°
  • Humidity: 64%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 5
  • ▼
  • 14h
  • 27°C
  • Feels like:
    29°C
Thunderstorms
Thunderstorms
  • Precip. probability: 78%
  • Precipitation: 3mm
  • Wind: 11km/hNNW 337°
  • Humidity: 66%
  • Pressure: 1010mbar
  • Visibility: 6km
  • UV index: 2
  • ▼
  • 16h
  • 25°C
  • Feels like:
    27°C
Thunderstorms
Thunderstorms
  • Precip. probability: 96%
  • Precipitation: 2mm
  • Wind: 9km/hWNW 287°
  • Humidity: 77%
  • Pressure: 1011mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
Sunset: 17:43
  • 18h
  • 23°C
  • Feels like:
    24°C
Rain
Rain
  • Precip. probability: 94%
  • Precipitation: 3mm
  • Wind: 4km/hWNW 292°
  • Humidity: 87%
  • Pressure: 1013mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
  • 20h
  • 21°C
  • Feels like:
    22°C
Rain
Rain
  • Precip. probability: 63%
  • Precipitation: 1mm
  • Wind: 1km/hNE 43°
  • Humidity: 92%
  • Pressure: 1015mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
  • 22h
  • 21°C
  • Feels like:
    22°C
Showers
Showers
  • Precip. probability: 48%
  • Precipitation: 1mm
  • Wind: 1km/hNE 46°
  • Humidity: 93%
  • Pressure: 1016mbar
  • Visibility: 5km
  • UV index: 0
  • ▼
Tomorrow, on Wednesday, a combination of gloomy, turbulent and rain-soaked weather is anticipated.
Rain is predicted from 12h to 23h. The most intense rain will be falling at 14h, 17h and 18h.
The temperature will vary between the lowest temperature of 18°C and the highest temperature of 27°C. The warmest part of the day will be from 11h to 14h.
The forecasted high will be uncommonly higher than the typical maximum in October, which is 17.1°C. The nighttime low is also noticeably higher than the standard October average of 9.4°C.
Updated: Oct 20, 2026 @ 14:39:00 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Wednesday, afternoon storms could include thunder and brief downpours.

Moderate precipitation of 18mm is anticipated. The likelihood of rainfall is high at 96%.

Tomorrow, the maximum temperature will be 28°C, while the minimum temperature will be 18°C. The maximum heat index, which represents the influence of relative humidity on air temperature, is estimated at 32°C.
The maximum temperature will be noticeably higher than the average highest temperature of 17.1°C in October. The lowest temperature will be also uncommonly higher than the average low of 9.4°C.

On Wednesday, in Cuilco, sunrise will be at 06:00 and sunset at 17:43 (CST).

In Cuilco, the length of the day tomorrow will be 11h and 43min.