Weather forecast for todayLa Union, El Salvador

Weather forecast for today

Current condition 15:03 CST

  • 26°C
  • Feels like:
    29°C
Rain
Rain
  • Precipitation: 2mm
  • Wind: 8km/hS 190°
  • Humidity: 90%
  • Dewpoint: 24°C
  • Pressure: 1007.79mbar
  • Visibility: 11.27km
  • UV index: 3
  • ▼
In La Union, currently, intermittent rain is falling.
Current rainfall is 2mm.
The temperature is a moderately hot 26°C, with the apparent temperature being calculated to be a temperate 29°C. The current temperature is near the lowest predicted 24°C for today.

Wednesday 21. Oct 2026

  • 31°C
  • 24°C
Isolated Thunderstorms
Isolated Thunderstorms
  • Precip. probability: 30%
  • Precipitation: 4mm
  • Wind: 8km/hSW 219°
  • Humidity: 85%
  • UV index: 3
  • Sunrise: 05:42 CST
  • Sunset: 17:29 CST
  • ▼
Today, in La Union, pockets of stormy weather could produce isolated thunderstorms.
With a low probability, light precipitation is expected. The highest temperature will be a hot 31°C, while the lowest forecasted temperature is a temperate 24°C.
The maximum heat index, which represents the influence of relative humidity on air temperature, is calculated to be a blisteringly hot 43°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.
The predicted daily high is projected to match October's typical maximum of 30.6°C.
Sunrise was at 05:42 and sunset will be at 17:29; the daylight will last for 11h and 46min.

Hourly overview

Hourly temperatures

Warmest hour: 19h 34°C.
Minimum temperature: 30°C.

Chance of precipitation

Highest chance: 21h 74%.

Hourly weather forecast

  • 16h
  • 26°C
  • Feels like:
    30°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 8km/hSSW 205°
  • Humidity: 92%
  • Pressure: 1007mbar
  • Visibility: 14km
  • UV index: 1
  • ▼
  • 17h
  • 26°C
  • Feels like:
    30°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 8km/hSW 231°
  • Humidity: 95%
  • Pressure: 1008mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
Sunset: 17:29
  • 18h
  • 26°C
  • Feels like:
    30°C
Cloudy
Cloudy
  • Precip. probability: 22%
  • Precipitation: 0mm
  • Wind: 7km/hWSW 250°
  • Humidity: 95%
  • Pressure: 1009mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 19h
  • 29°C
  • Feels like:
    34°C
Thunderstorms
Thunderstorms
  • Precip. probability: 71%
  • Precipitation: 1mm
  • Wind: 6km/hW 269°
  • Humidity: 80%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 28°C
  • Feels like:
    33°C
Showers
Showers
  • Precip. probability: 73%
  • Precipitation: 1mm
  • Wind: 5km/hNW 319°
  • Humidity: 83%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 21h
  • 28°C
  • Feels like:
    32°C
Showers
Showers
  • Precip. probability: 74%
  • Precipitation: 1mm
  • Wind: 4km/hNNE 19°
  • Humidity: 85%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 22h
  • 27°C
  • Feels like:
    32°C
Showers
Showers
  • Precip. probability: 58%
  • Precipitation: 1mm
  • Wind: 5km/hNNW 348°
  • Humidity: 86%
  • Pressure: 1011mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
  • 23h
  • 27°C
  • Feels like:
    31°C
Showers
Showers
  • Precip. probability: 45%
  • Precipitation: 1mm
  • Wind: 4km/hN 0°
  • Humidity: 87%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 0h
  • 26°C
  • Feels like:
    30°C
Showers
Showers
  • Precip. probability: 47%
  • Precipitation: 1mm
  • Wind: 4km/hN 0°
  • Humidity: 88%
  • Pressure: 1011mbar
  • Visibility: 9km
  • UV index: 0
  • ▼
  • 1h
  • 26°C
  • Feels like:
    30°C
Showers
Showers
  • Precip. probability: 39%
  • Precipitation: 1mm
  • Wind: 4km/hN 353°
  • Humidity: 89%
  • Pressure: 1010mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
For the remainder of Wednesday, a combination of rain-filled, cloud-filled and thunderstorm-prone weather is anticipated.
With minimal precipitation of 1mm, rainfall is expected from 19h to 23h.
The temperature will be between a maximum of 29°C and a minimum of 26°C. The feels-like temperature will be between a maximum of 34°C and a minimum of 30°C. The hottest part of the day is expected around 19h.
The maximum temperature will be in line with the average high of 30.6°C in October. The lowest temperature is also in line with October's typical minimum of 23°C.
October is typically the chilliest month in La Union, with an average high of 30.6°C and a low near 23°C.
Updated: Oct 21, 2026 @ 21:03:23 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Yes, it rains now. Current precipitation is 2mm.

The current temperature (15:03 CST) in La Union is 26°C. Feels-like temperature is 29°C.

Today, isolated thunderstorms are anticipated.

Light precipitation of 4mm is anticipated. The possibility of rainfall is 30%.

Today, the maximum temperature will be 31°C, while the minimum temperature will be 24°C. The maximum heat index, which combines relative humidity and air temperature, is appraised at 43°C.
The highest temperature will be in line with the average maximum of 30.6°C in October. The lowest temperature will be also in line with the average low of 23°C.

On Wednesday, in La Union, sunrise was at 05:42 and sunset will be at 17:29 (CST).

In La Union, today, there will be 11h and 46min of daylight.