Weather forecast for 10 days
San Luis, Guatemala

Weather forecast for the weekend

Saturday, 21. Jun

Mostly Cloudy
05:25

18:33
CST
Mostly Cloudy
29°C / 22°C
  • Wind: 18km/h E
  • Humidity: 81%
  • Precip. probability: 24%
  • Precipitation: 4mm
  • UV index: 11
Today, in San Luis, gray skies will define the day.
The chance of rain is low, and light precipitation is expected. The highest predicted temperature is a moderately hot 29°C, while the lowest temperature will be a pleasant 22°C.
The maximum heat index, which adjusts the air temperature based on humidity, is appraised at a sweltering 35°C. Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Forecasts suggest the maximum temperature will be a few degrees lower than June's average of 31.1°C.
Sunrise was at 05:25 and sunset will be at 18:33; the daylight will last for 13h and 8min.

Sunday, 22. Jun

AM Clouds / PM Sun
05:25

18:33
CST
AM Clouds / PM Sun
31°C / 21°C
  • Wind: 20km/h E
  • Humidity: 72%
  • Precip. probability: 24%
  • Precipitation: 4mm
  • UV index: 10
Tomorrow, on Sunday, expect morning clouds but afternoon sunshine will take over.
The chance of rain is low, and light precipitation is forecasted. The maximum temperature will be a tropical 31°C, while the minimum predicted temperature is a pleasant 21°C.
The maximum heat index, which integrates air moisture with ambient temperature, is estimated at a fiery hot 38°C. Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Tomorrow, expect the temperature to remain near June's average maximum of 31.1°C.
Sunrise will be at 05:25 and sunset at 18:33; tomorrow's daylight will last for 13h and 8min.

Frequently asked questions

What is the weather forecast for San Luis for tomorrow?
On Sunday, in San Luis, cloudy skies are expected in the morning. However, sunshine will break through by the afternoon.
Will it rain tomorrow?
Light precipitation of 4mm is expected in San Luis, Guatemala. The chance of rainfall is 24%.
What will be the maximum temperature tomorrow?
Tomorrow, the highest temperature will be 31°C, while the lowest temperature will be 21°C. The maximum heat index, which indicates how humid air affects the felt temperature, is evaluated at 38°C.
Tomorrow, the maximum temperature will be in line with the average highest temperature in June. The lowest temperature tomorrow will be also in line with the average low temperature.
When is the sunrise / sunset tomorrow?
On Sunday, in San Luis, sunrise will be at 05:25 and sunset at 18:33 (CST).
How long will the day be tomorrow?
Tomorrow, the daylight will last for 13h and 8min.
What is the weather forecast for San Luis for the next ten days?
In San Luis, a combination of thunderstorm-prone, cloudy and rain-soaked weather is expected for the next ten days.
Will it rain in the next ten days?
With daily precipitation varying from a minimum of 1mm to a maximum of 17mm, rain is anticipated every day in San Luis. With moderate precipitation of 17mm, Thursday will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will range between 27°C and 31°C, while the minimum temperature will be between 21°C and 22°C.
Taking the humidity into consideration, the maximum feel-like temperature will range between 30°C and 38°C.
What will be the hottest and the coldest days?
The hottest days will be Sunday and Monday, with a maximum of 31°C. With a maximum temperature of 27°C, Thursday and Friday will be the coldest days.

Long-term weather forecast

Sat21.Jun
  • 29°C
  • 22°C
Mostly Cloudy
Mostly Cloudy
  • Wind: 18km/h E
  • Humidity: 81%
  • UV index: 11
  • Precip. probability: 24%
  • Precipitation: 4mm
  • 05:25 18:33 CST
Sun22.Jun
  • 31°C
  • 21°C
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 20km/h E
  • Humidity: 72%
  • UV index: 10
  • Precip. probability: 24%
  • Precipitation: 4mm
  • 05:25 18:33 CST
Mon23.Jun
  • 31°C
  • 21°C
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 20km/h E
  • Humidity: 72%
  • UV index: 8
  • Precip. probability: 24%
  • Precipitation: 1mm
  • 05:26 18:34 CST
Tue24.Jun
  • 30°C
  • 21°C
Showers
Showers
  • Wind: 17km/h E
  • Humidity: 74%
  • UV index: 11
  • Precip. probability: 40%
  • Precipitation: 4mm
  • 05:26 18:34 CST
Wed25.Jun
  • 29°C
  • 21°C
Thunderstorms
Thunderstorms
  • Wind: 15km/h E
  • Humidity: 82%
  • UV index: 8
  • Precip. probability: 78%
  • Precipitation: 14mm
  • 05:26 18:34 CST
Thu26.Jun
  • 27°C
  • 21°C
Thunderstorms
Thunderstorms
  • Wind: 13km/h E
  • Humidity: 87%
  • UV index: 8
  • Precip. probability: 83%
  • Precipitation: 17mm
  • 05:26 18:34 CST
Fri27.Jun
  • 27°C
  • 22°C
Thunderstorms
Thunderstorms
  • Wind: 15km/h E
  • Humidity: 86%
  • UV index: 6
  • Precip. probability: 73%
  • Precipitation: 16mm
  • 05:27 18:34 CST
Sat28.Jun
  • 29°C
  • 22°C
Thunderstorms
Thunderstorms
  • Wind: 18km/h E
  • Humidity: 79%
  • UV index: 8
  • Precip. probability: 63%
  • Precipitation: 8mm
  • 05:27 18:34 CST
Sun29.Jun
  • 30°C
  • 22°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 17km/h E
  • Humidity: 75%
  • UV index: 8
  • Precip. probability: 59%
  • Precipitation: 7mm
  • 05:27 18:34 CST
Mon30.Jun
  • 30°C
  • 21°C
Thunderstorms
Thunderstorms
  • Wind: 16km/h E
  • Humidity: 76%
  • UV index: 6
  • Precip. probability: 60%
  • Precipitation: 8mm
  • 05:28 18:35 CST
Looking ahead, conditions suggest a period of lightning-active, gloomy and rain-soaked weather is anticipated.
Rain is predicted day-to-day, with daily precipitation varying from a minimal 1mm to a maximum of 17mm.
In the upcoming period, the highest temperature will vary between 27°C and 31°C, while the overnight low will be nearly unchanged, as the overnight low will fall between 21°C and 22°C.
The hottest days will be Sunday and Monday, with a maximum of 31°C; the coldest days will be Thursday and Friday, with a maximum of 27°C.
Taking the humidity into consideration, the maximum feel-like temperature may increase considerably and range between a humid 30°C and a fiery hot 38°C.
Updated: Jun 21, 2025 @ 15:34:24 UTC
Published by: Weather Atlas | About Us
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