Weather forecast for 10 daysLa Unión, Guatemala
Weather forecast for the weekend
Saturday 31. Oct 2026
- 27°C
- 17°C
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0mm
- Wind: 16km/hNNE 25°
- Humidity: 67%
- UV index: 11
- Sunrise: 05:52 CST
- Sunset: 17:28 CST
- details ▼
Today, in La Unión, a mix of clouds and blue sky is expected.
The temperature will fluctuate from a high of a temperate 27°C to a low of an enjoyable 17°C.
The maximum heat index, which factors the actual air temperature with the relative humidity, is estimated at 29°C.
The temperature is predicted to be slightly warmer than the standard October peak of 24.5°C.
Sunrise was at 05:52 and sunset will be at 17:28; the daylight will last for 11h and 36min.
The temperature will fluctuate from a high of a temperate 27°C to a low of an enjoyable 17°C.
The maximum heat index, which factors the actual air temperature with the relative humidity, is estimated at 29°C.
The temperature is predicted to be slightly warmer than the standard October peak of 24.5°C.
Sunrise was at 05:52 and sunset will be at 17:28; the daylight will last for 11h and 36min.
Sunday 1. Nov 2026
- 26°C
- 19°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 1mm
- Wind: 19km/hNNE 23°
- Humidity: 77%
- UV index: 10
- Sunrise: 05:53 CST
- Sunset: 17:28 CST
- details ▼
Tomorrow, in La Unión, some passing clouds may drift through, but the sun will shine at times.
Minimal precipitation is expected. The temperature is predicted to oscillate between a maximum of a moderately hot 26°C and a minimum of a breezy 19°C.
This forecasted maximum temperature is expected to mirror October's typical high of 24.5°C.
Sunrise will be at 05:53 and sunset at 17:28; tomorrow's daylight will last for 11h and 35min.
Minimal precipitation is expected. The temperature is predicted to oscillate between a maximum of a moderately hot 26°C and a minimum of a breezy 19°C.
This forecasted maximum temperature is expected to mirror October's typical high of 24.5°C.
Sunrise will be at 05:53 and sunset at 17:28; tomorrow's daylight will last for 11h and 35min.
10-day overview
Daily temperatures
Warmest period: Tuesday - Thursday 29°C.
Minimum temperature: 26°C.
Minimum temperature: 26°C.
Chance of precipitation
Highest chance: Monday 09.11. 60%.
Long-term weather forecast
- Saturday
- 31. Oct 2026
- 27°C
- 17°C
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0mm
- Wind: 16km/hNNE 25°
- Humidity: 67%
- UV index: 11
- Sunrise: 05:52 CST
- Sunset: 17:28 CST
- details ▼
- Sunday
- 1. Nov 2026
- 26°C
- 19°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 1mm
- Wind: 19km/hNNE 23°
- Humidity: 77%
- UV index: 10
- Sunrise: 05:53 CST
- Sunset: 17:28 CST
- details ▼
- Monday
- 2. Nov 2026
- 26°C
- 17°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 20km/hNNE 25°
- Humidity: 78%
- UV index: 11
- Sunrise: 05:53 CST
- Sunset: 17:28 CST
- details ▼
- Tuesday
- 3. Nov 2026
- 29°C
- 18°C
Mostly Sunny
- Precip. probability: 12%
- Precipitation: 0mm
- Wind: 16km/hNNE 22°
- Humidity: 70%
- UV index: 11
- Sunrise: 05:53 CST
- Sunset: 17:27 CST
- details ▼
- Wednesday
- 4. Nov 2026
- 29°C
- 18°C
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0mm
- Wind: 16km/hNNE 20°
- Humidity: 70%
- UV index: 9
- Sunrise: 05:54 CST
- Sunset: 17:27 CST
- details ▼
- Thursday
- 5. Nov 2026
- 29°C
- 18°C
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0mm
- Wind: 15km/hNNE 22°
- Humidity: 70%
- UV index: 9
- Sunrise: 05:54 CST
- Sunset: 17:27 CST
- details ▼
- Friday
- 6. Nov 2026
- 28°C
- 18°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 16km/hNNE 23°
- Humidity: 69%
- UV index: 11
- Sunrise: 05:54 CST
- Sunset: 17:26 CST
- details ▼
- Saturday
- 7. Nov 2026
- 27°C
- 18°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 1mm
- Wind: 16km/hNNE 22°
- Humidity: 67%
- UV index: 10
- Sunrise: 05:55 CST
- Sunset: 17:26 CST
- details ▼
- Sunday
- 8. Nov 2026
- 27°C
- 18°C
PM Showers
- Precip. probability: 45%
- Precipitation: 3mm
- Wind: 16km/hNNE 20°
- Humidity: 71%
- UV index: 8
- Sunrise: 05:55 CST
- Sunset: 17:26 CST
- details ▼
- Monday
- 9. Nov 2026
- 26°C
- 18°C
Showers
- Precip. probability: 60%
- Precipitation: 6mm
- Wind: 17km/hNNE 20°
- Humidity: 73%
- UV index: 9
- Sunrise: 05:56 CST
- Sunset: 17:25 CST
- details ▼
During the ten-day period, primarily dull and occasionally rain-soaked and bright weather is predicted.
Rain is anticipated on Sunday, next Saturday through next Monday.
Highs will stay within a very narrow margin in the coming days. The maximum temperature will vary between 26°C and 29°C, while fluctuations in the night’s lowest temperature will be also minimal, as the overnight low will fall between 17°C and 19°C.
With a maximum temperature of 29°C, Tuesday through Thursday will be the hottest days in La Unión; Sunday, Monday and next Monday, with the highest temperature of 26°C, will be the coldest days in La Unión.
Including the humidity's impact, the maximum feel-like temperature may increase and range between 26°C and a tropical 33°C.
Rain is anticipated on Sunday, next Saturday through next Monday.
Highs will stay within a very narrow margin in the coming days. The maximum temperature will vary between 26°C and 29°C, while fluctuations in the night’s lowest temperature will be also minimal, as the overnight low will fall between 17°C and 19°C.
With a maximum temperature of 29°C, Tuesday through Thursday will be the hottest days in La Unión; Sunday, Monday and next Monday, with the highest temperature of 26°C, will be the coldest days in La Unión.
Including the humidity's impact, the maximum feel-like temperature may increase and range between 26°C and a tropical 33°C.
Updated: Oct 31, 2026 @ 18:19:54 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Today, in La Unión, patchy clouds will move across the sky, allowing for sunshine at times.
Today, the highest temperature will be 27°C, while the lowest temperature will be 17°C. The maximum heat index, which modifies the air temperature to account for humidity, is computed to be 29°C.
The maximum temperature today will be a couple of degrees higher than the average highest temperature in October. The lowest temperature will be in line with the average low of 16.5°C.
The maximum temperature today will be a couple of degrees higher than the average highest temperature in October. The lowest temperature will be in line with the average low of 16.5°C.
On Saturday, in La Unión, sunrise was at 05:52 and sunset will be at 17:28 (CST).
In La Unión, Guatemala, the length of the day today will be 11h and 36min.
On Sunday, changing cloud patterns will allow for periods of sunshine.
Tomorrow, there is a low probability of minimal rainfall in La Unión.
Tomorrow, the maximum temperature will be 26°C, while the minimum temperature will be 19°C.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be moderately higher than the average low temperature.
Tomorrow, the maximum temperature will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be moderately higher than the average low temperature.
On Sunday, in La Unión, sunrise will be at 05:53 and sunset at 17:28 (CST).
In La Unión, the length of the day tomorrow will be 11h and 35min.
