Weather forecast for tomorrow
Santo Tomás La Unión, Guatemala

Weather forecast for tomorrow

Monday, 05. May

PM Thunderstorms
05:39

18:24
CST
PM Thunderstorms
28°C / 20°C
  • Wind: 12km/h S
  • Humidity: 77%
  • Precip. probability: 79%
  • Precipitation: 11mm
  • UV index: 10
Tomorrow, in Santo Tomás La Unión, afternoon thunderstorms are expected, possibly with frequent lightning.
The chance of rainfall is high, and precipitation will be moderate. Anticipated temperature values will span from a temperate 28°C down to a pleasant 20°C.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is computed to be a humid 32°C. Note that heat index values are valued for light wind and location in the shade.
This expected maximum temperature is expected to mirror May's typical high of 30°C.
Sunrise will be at 05:39 and sunset at 18:24; tomorrow's daylight will last for 12h and 45min.

Frequently asked questions

What is the weather forecast for Santo Tomás La Unión for tomorrow?
On Monday, in Santo Tomás La Unión, scattered thunderstorms are likely by the afternoon.
Will it rain tomorrow?
Moderate precipitation of 11mm is anticipated in Santo Tomás La Unión, Guatemala. The chance of rainfall is 79%.
What will be the maximum temperature tomorrow?
Tomorrow, the highest temperature will be 28°C, while the lowest temperature will be 20°C. The maximum heat index, which measures the combined effect of heat and moisture, is computed to be 32°C.
The highest temperature will be in line with the average maximum of 30°C in May. The lowest temperature will be also in line with the average low of 20.5°C.
What time are sunrise and sunset tomorrow?
On Monday, in Santo Tomás La Unión, sunrise will be at 05:39 and sunset at 18:24 (CST).
How long will the day be tomorrow?
In Santo Tomás La Unión, tomorrow, there will be 12h and 45min of daylight.

Hourly weather forecast

0h
  • 21°C
  • Feels like:
    22°C
Mostly Cloudy
Mostly Cloudy
  • Wind: 3km/h ENE
  • Pressure: 1012mbar
  • Humidity: 91%
  • Precip. probability: 14%
  • Precipitation: 0mm
  • Visibility: 12km
2h
  • 21°C
  • Feels like:
    22°C
Mostly Cloudy
Mostly Cloudy
  • Wind: 3km/h NE
  • Pressure: 1011mbar
  • Humidity: 92%
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Visibility: 12km
4h
  • 20°C
  • Feels like:
    21°C
Partly Cloudy
Partly Cloudy
  • Wind: 5km/h NNE
  • Pressure: 1010mbar
  • Humidity: 89%
  • Precip. probability: 19%
  • Precipitation: 0mm
  • Visibility: 12km
Sunrise: 05:39
6h
  • 20°C
  • Feels like:
    21°C
Partly Cloudy
Partly Cloudy
  • Wind: 3km/h NE
  • Pressure: 1011mbar
  • Humidity: 87%
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Visibility: 12km
8h
  • 24°C
  • Feels like:
    25°C
Mostly Cloudy
Mostly Cloudy
  • Wind: 3km/h ENE
  • Pressure: 1012mbar
  • Humidity: 79%
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Visibility: 14km
10h
  • 27°C
  • Feels like:
    30°C
Mostly Cloudy
Mostly Cloudy
  • Wind: 9km/h SSW
  • Pressure: 1011mbar
  • Humidity: 71%
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Visibility: 16km
12h
  • 28°C
  • Feels like:
    31°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 11km/h SSW
  • Pressure: 1011mbar
  • Humidity: 71%
  • Precip. probability: 53%
  • Precipitation: 1mm
  • Visibility: 11km
14h
  • 28°C
  • Feels like:
    31°C
Thunderstorms
Thunderstorms
  • Wind: 12km/h SSW
  • Pressure: 1010mbar
  • Humidity: 71%
  • Precip. probability: 77%
  • Precipitation: 2mm
  • Visibility: 10km
16h
  • 27°C
  • Feels like:
    30°C
Thunderstorms
Thunderstorms
  • Wind: 10km/h SSW
  • Pressure: 1009mbar
  • Humidity: 79%
  • Precip. probability: 70%
  • Precipitation: 2mm
  • Visibility: 10km
18h
  • 25°C
  • Feels like:
    27°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 8km/h SSW
  • Pressure: 1010mbar
  • Humidity: 87%
  • Precip. probability: 53%
  • Precipitation: 2mm
  • Visibility: 6km
Sunset: 18:24
20h
  • 23°C
  • Feels like:
    24°C
Showers
Showers
  • Wind: 4km/h ENE
  • Pressure: 1012mbar
  • Humidity: 90%
  • Precip. probability: 38%
  • Precipitation: 1mm
  • Visibility: 8km
22h
  • 22°C
  • Feels like:
    24°C
Few Showers
Few Showers
  • Wind: 4km/h NE
  • Pressure: 1013mbar
  • Humidity: 91%
  • Precip. probability: 34%
  • Precipitation: 1mm
  • Visibility: 6km
Tomorrow, on Monday, a combination of overcast, lightning-active and wet weather is anticipated.
Rainfall is predicted from 12h to 22h. With light precipitation of 3mm, most rainfall is expected at 17h.
The temperature will vary between the lowest temperature of 20°C and the highest temperature of 28°C. The warmest part of the day will be from 11h to 14h.
The maximum temperature will be resembling the average high of 30°C in May. The expected low will be also close to the average minimum in May, which is 20.5°C.
Updated: May 4, 2025 @ 20:47:53 UTC
Published by: Weather Atlas | About Us
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