Weather forecast for 10 days
Retalhuleu, Guatemala

Weather forecast for the weekend

Saturday, 21. Jun

PM Thunderstorms
05:37

18:39
CST
PM Thunderstorms
32°C / 22°C
  • Wind: 8km/h S
  • Humidity: 71%
  • Precip. probability: 74%
  • Precipitation: 0mm
  • UV index: 6
Today, on Saturday, 21st of June, expect thunderstorms and downpours in the afternoon.
Minimal precipitation is forecasted. The highest temperature will be a hot 32°C, while the lowest temperature will be a pleasant 22°C.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is computed to be a torridly hot 41°C. Note that heat index values are valued for light wind and location in the shade. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
June's standard high of 30°C is anticipated to be reached during the day.
Sunrise will be at 05:37 and sunset at 18:39; the daylight will last for 13h and 2min.

Sunday, 22. Jun

PM Thunderstorms
05:38

18:39
CST
PM Thunderstorms
32°C / 22°C
  • Wind: 10km/h WSW
  • Humidity: 69%
  • Precip. probability: 63%
  • Precipitation: 5mm
  • UV index: 11
Tomorrow, on Sunday, 22nd of June, afternoon storms could include thunder and brief downpours.
The likelihood of precipitation is high. However, the rainfall will be light. The temperature is forecasted to oscillate between a maximum of a blazing 32°C and a minimum of an agreeable 22°C.
The maximum heat index, which adjusts the air temperature based on humidity, is assessed at a blistering 40°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Tomorrow's forecasted high will be in line with June's typical peak of 30°C.
Sunrise will be at 05:38 and sunset at 18:39; tomorrow's daylight will last for 13h and 2min.

Frequently asked questions

What is the weather forecast for Retalhuleu for tomorrow?
Tomorrow, thunderstorms are expected in the afternoon.
Will it rain tomorrow?
Light precipitation of 5mm is predicted. The likelihood of rainfall is 63%.
What will be the highest temperature tomorrow?
Tomorrow, the maximum temperature will be 32°C, while the minimum temperature will be 22°C. The maximum heat index, which factors the actual air temperature with the relative humidity, is assessed at 40°C.
The maximum temperature tomorrow will be in line with the average highest temperature in June. The lowest temperature will be a few degrees lower than the average low of 25°C.
When are sunrise and sunset tomorrow?
On Sunday, in Retalhuleu, sunrise will be at 05:38 and sunset at 18:39 (CST).
How long will the day be tomorrow?
Tomorrow, the daylight will last for 13h and 2min.
What is the weather forecast for Retalhuleu for the next ten days?
In Retalhuleu, thunderstorms and rainy weather are anticipated daily for the next ten days.
Will it rain in the next ten days?
In Retalhuleu, rainfall is predicted almost every day for the next ten days. Friday, with substantial precipitation of 28mm, will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will range between 30°C and 32°C, while the minimum temperature will be between 21°C and 22°C.
Combining with the humidity, the maximum feel-like temperature will range between 37°C and 41°C.
What will be the hottest and the coldest days?
With a maximum temperature of 32°C, Saturday and Sunday will be the hottest days. With a maximum temperature of 30°C, Friday through next Sunday will be the coldest days.

Long-term weather forecast

Sat21.Jun
  • 32°C
  • 22°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 8km/h S
  • Humidity: 71%
  • UV index: 6
  • Precip. probability: 74%
  • Precipitation: 0mm
  • 05:37 18:39 CST
Sun22.Jun
  • 32°C
  • 22°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 10km/h WSW
  • Humidity: 69%
  • UV index: 11
  • Precip. probability: 63%
  • Precipitation: 5mm
  • 05:38 18:39 CST
Mon23.Jun
  • 31°C
  • 22°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 11km/h W
  • Humidity: 72%
  • UV index: 9
  • Precip. probability: 78%
  • Precipitation: 5mm
  • 05:38 18:39 CST
Tue24.Jun
  • 31°C
  • 22°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 11km/h SW
  • Humidity: 72%
  • UV index: 9
  • Precip. probability: 77%
  • Precipitation: 8mm
  • 05:38 18:40 CST
Wed25.Jun
  • 31°C
  • 22°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 10km/h S
  • Humidity: 74%
  • UV index: 6
  • Precip. probability: 86%
  • Precipitation: 16mm
  • 05:38 18:40 CST
Thu26.Jun
  • 31°C
  • 22°C
Thunderstorms
Thunderstorms
  • Wind: 9km/h SSW
  • Humidity: 76%
  • UV index: 8
  • Precip. probability: 79%
  • Precipitation: 16mm
  • 05:39 18:40 CST
Fri27.Jun
  • 30°C
  • 22°C
Thunderstorms
Thunderstorms
  • Wind: 9km/h SSE
  • Humidity: 77%
  • UV index: 8
  • Precip. probability: 70%
  • Precipitation: 28mm
  • 05:39 18:40 CST
Sat28.Jun
  • 30°C
  • 22°C
Thunderstorms
Thunderstorms
  • Wind: 11km/h SE
  • Humidity: 77%
  • UV index: 9
  • Precip. probability: 60%
  • Precipitation: 24mm
  • 05:39 18:40 CST
Sun29.Jun
  • 30°C
  • 22°C
Thunderstorms
Thunderstorms
  • Wind: 9km/h SSE
  • Humidity: 77%
  • UV index: 6
  • Precip. probability: 60%
  • Precipitation: 18mm
  • 05:39 18:40 CST
Mon30.Jun
  • 31°C
  • 21°C
Thunderstorms
Thunderstorms
  • Wind: 10km/h W
  • Humidity: 74%
  • UV index: 9
  • Precip. probability: 60%
  • Precipitation: 21mm
  • 05:40 18:40 CST
For the coming ten days, frequent thunderstorms are expected across all days.
Rainfall is predicted for Sunday through next Monday.
The high temperatures are expected to remain largely stable in the forecast period ahead. Highs will range from 30°C to 32°C, while the lowest nightly temperature differences will be also negligible, as the lowest temperatures will remain in the range of 21°C to 22°C.
Saturday and Sunday, with the highest temperature of 32°C, will be the hottest days; with a maximum temperature of 30°C, Friday through next Sunday will be the coldest days.
Taking the humidity into consideration, the maximum feel-like temperature may increase considerably and range between a sizzling 37°C and a blisteringly hot 41°C.
Updated: Jun 21, 2025 @ 06:24:32 UTC
Published by: Weather Atlas | About Us
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