Weather forecast for tomorrow
La Unión, Guatemala

Weather forecast for tomorrow

Friday, 18. Jul

PM Showers
05:35

18:31
CST
PM Showers
27°C / 20°C
  • Wind: 19km/h NNE
  • Humidity: 79%
  • Precip. probability: 50%
  • Precipitation: 0mm
  • UV index: 11
Tomorrow, on Friday, a few afternoon showers could develop as the day warms up.
Minimal precipitation is forecasted. The highest temperature will be a warm 27°C, while the lowest anticipated temperature is a pleasant 20°C.
The maximum heat index, which modifies the air temperature to account for humidity, is calculated to be a hot 30°C. Take into consideration that the heat index values are calculated for shade and light wind conditions.
July's typical peak of 25.5°C is anticipated to be mirrored in the day’s high.
Sunrise will be at 05:35 and sunset at 18:31; tomorrow's daylight will last for 12h and 56min.

Frequently asked questions

What is the weather forecast for La Unión for tomorrow?
Tomorrow, intermittent rain showers are forecasted for the afternoon.
Will it rain tomorrow?
Tomorrow, there is a low chance of minimal precipitation in La Unión.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature in La Unión will be 27°C, while the lowest temperature will be 20°C. The maximum heat index, which combines relative humidity and air temperature, is computed to be 30°C.
The maximum temperature will be in line with the average highest temperature of 25.5°C in July. The lowest temperature will be relatively higher than the average low of 17.9°C.
When are sunrise and sunset tomorrow?
On Friday, in La Unión, sunrise will be at 05:35 and sunset at 18:31 (CST).
How many hours of daylight will La Unión have tomorrow?
In La Unión, tomorrow, there will be 12h and 56min of daylight.

Hourly weather forecast

0h
  • 21°C
  • Feels like:
    22°C
Cloudy
Cloudy
  • Wind: 5km/h NE
  • Pressure: 1015mbar
  • Humidity: 97%
  • Precip. probability: 23%
  • Precipitation: 0mm
  • Visibility: 3km
2h
  • 21°C
  • Feels like:
    22°C
Cloudy
Cloudy
  • Wind: 4km/h ENE
  • Pressure: 1014mbar
  • Humidity: 97%
  • Precip. probability: 20%
  • Precipitation: 0mm
  • Visibility: 4km
4h
  • 20°C
  • Feels like:
    22°C
Cloudy
Cloudy
  • Wind: 4km/h NE
  • Pressure: 1014mbar
  • Humidity: 98%
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Visibility: 3km
Sunrise: 05:35
6h
  • 20°C
  • Feels like:
    22°C
Cloudy
Cloudy
  • Wind: 5km/h NNE
  • Pressure: 1014mbar
  • Humidity: 99%
  • Precip. probability: 23%
  • Precipitation: 0mm
  • Visibility: 4km
8h
  • 22°C
  • Feels like:
    23°C
Cloudy
Cloudy
  • Wind: 9km/h NNE
  • Pressure: 1015mbar
  • Humidity: 92%
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Visibility: 9km
10h
  • 25°C
  • Feels like:
    27°C
Mostly Cloudy
Mostly Cloudy
  • Wind: 14km/h NNE
  • Pressure: 1015mbar
  • Humidity: 78%
  • Precip. probability: 19%
  • Precipitation: 0mm
  • Visibility: 16km
12h
  • 26°C
  • Feels like:
    28°C
Partly Cloudy
Partly Cloudy
  • Wind: 18km/h NNE
  • Pressure: 1014mbar
  • Humidity: 73%
  • Precip. probability: 22%
  • Precipitation: 0mm
  • Visibility: 16km
14h
  • 27°C
  • Feels like:
    29°C
Partly Cloudy
Partly Cloudy
  • Wind: 18km/h NNE
  • Pressure: 1012mbar
  • Humidity: 69%
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Visibility: 16km
16h
  • 26°C
  • Feels like:
    28°C
Showers
Showers
  • Wind: 16km/h NNE
  • Pressure: 1012mbar
  • Humidity: 73%
  • Precip. probability: 46%
  • Precipitation: 1mm
  • Visibility: 11km
18h
  • 23°C
  • Feels like:
    24°C
Showers
Showers
  • Wind: 11km/h NE
  • Pressure: 1014mbar
  • Humidity: 83%
  • Precip. probability: 50%
  • Precipitation: 1mm
  • Visibility: 6km
Sunset: 18:31
20h
  • 22°C
  • Feels like:
    23°C
Showers
Showers
  • Wind: 8km/h NE
  • Pressure: 1015mbar
  • Humidity: 87%
  • Precip. probability: 54%
  • Precipitation: 1mm
  • Visibility: 6km
22h
  • 21°C
  • Feels like:
    22°C
Few Showers
Few Showers
  • Wind: 6km/h NE
  • Pressure: 1016mbar
  • Humidity: 92%
  • Precip. probability: 33%
  • Precipitation: 1mm
  • Visibility: 5km
Tomorrow, primarily cloud-filled and occasionally wet weather is anticipated.
With minimal precipitation of 1mm, rain is expected at 7h, 13h, and from 15h to 23h.
The temperature will vary between the lowest temperature of 20°C and the highest temperature of 27°C. The warmest part of the day will be around 14h.
The maximum temperature will be comparable to the average high of 25.5°C in July. Forecasts indicate a night temperature also relatively higher than the usual July minimum of 17.9°C.
Updated: Jul 17, 2025 @ 08:34:56 UTC
Published by: Weather Atlas | About Us
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