Weather forecast for todaySan Simon, El Salvador

Weather forecast for today

Current condition 03:41 CST

  • 21°C
  • Feels like:
    21°C
Light Rain
Light Rain
  • Precipitation: 1mm
  • Wind: 3km/hN 10°
  • Humidity: 98%
  • Dewpoint: 21°C
  • Pressure: 1010.16mbar
  • Visibility: 4.51km
  • UV index: 0
  • ▼
At the moment, light rain continues to fall at a slow, steady pace.
Rainfall is insignificant.
The temperature is a delightful 21°C. The current temperature is at its lowest of the day.

Tuesday 20. Oct 2026

  • 31°C
  • 21°C
Thunderstorms
Thunderstorms
  • Precip. probability: 92%
  • Precipitation: 16mm
  • Wind: 8km/hNNW 333°
  • Humidity: 82%
  • UV index: 10
  • Sunrise: 05:44 CST
  • Sunset: 17:30 CST
  • ▼
On Tuesday, in San Simon, unstable skies bring the chance of thunderstorms.
With a high probability, moderate precipitation is forecasted for today. The maximum temperature will be a humid 31°C, while the minimum temperature will be a pleasant 21°C.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is appraised at an extremely hot 42°C. Note that heat index values are valued for light wind and location in the shade. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The predicted daytime maximum should align with the typical October high of 29.9°C.
Sunrise will be at 05:44 and sunset at 17:30; the daylight will last for 11h and 46min.

Hourly overview

Hourly temperatures

Warmest hour: 12h 35°C.
Coldest period: 4h - 6h 21°C.

Chance of precipitation

Highest chance: 12h 92%.

Hourly weather forecast

  • 4h
  • 21°C
  • Feels like:
    21°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 4km/hNNE 22°
  • Humidity: 98%
  • Pressure: 1010mbar
  • Visibility: 4km
  • UV index: 0
  • ▼
Sunrise: 05:44
  • 6h
  • 21°C
  • Feels like:
    21°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0mm
  • Wind: 4km/hNNE 19°
  • Humidity: 97%
  • Pressure: 1011mbar
  • Visibility: 4km
  • UV index: 0
  • ▼
  • 8h
  • 24°C
  • Feels like:
    24°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 5km/hNNW 344°
  • Humidity: 87%
  • Pressure: 1012mbar
  • Visibility: 14km
  • UV index: 3
  • ▼
  • 10h
  • 28°C
  • Feels like:
    30°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0mm
  • Wind: 7km/hNW 321°
  • Humidity: 70%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 8
  • ▼
  • 12h
  • 30°C
  • Feels like:
    35°C
Thunderstorms
Thunderstorms
  • Precip. probability: 92%
  • Precipitation: 2mm
  • Wind: 8km/hSW 229°
  • Humidity: 65%
  • Pressure: 1009mbar
  • Visibility: 10km
  • UV index: 5
  • ▼
  • 14h
  • 30°C
  • Feels like:
    34°C
Thunderstorms
Thunderstorms
  • Precip. probability: 78%
  • Precipitation: 2mm
  • Wind: 6km/hNW 305°
  • Humidity: 70%
  • Pressure: 1008mbar
  • Visibility: 10km
  • UV index: 3
  • ▼
  • 16h
  • 28°C
  • Feels like:
    32°C
Thunderstorms
Thunderstorms
  • Precip. probability: 62%
  • Precipitation: 1mm
  • Wind: 6km/hNW 323°
  • Humidity: 78%
  • Pressure: 1008mbar
  • Visibility: 10km
  • UV index: 1
  • ▼
Sunset: 17:30
  • 18h
  • 26°C
  • Feels like:
    29°C
Thunderstorms
Thunderstorms
  • Precip. probability: 86%
  • Precipitation: 1mm
  • Wind: 7km/hN 359°
  • Humidity: 86%
  • Pressure: 1010mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
  • 20h
  • 24°C
  • Feels like:
    27°C
Showers
Showers
  • Precip. probability: 47%
  • Precipitation: 1mm
  • Wind: 6km/hNNE 31°
  • Humidity: 91%
  • Pressure: 1012mbar
  • Visibility: 5km
  • UV index: 0
  • ▼
  • 22h
  • 24°C
  • Feels like:
    26°C
Showers
Showers
  • Precip. probability: 62%
  • Precipitation: 2mm
  • Wind: 5km/hNE 56°
  • Humidity: 93%
  • Pressure: 1012mbar
  • Visibility: 4km
  • UV index: 0
  • ▼
Today, in San Simon, a combination of storm-filled, cloudy and rain-soaked weather is anticipated.
Rainfall is forecasted from 11h to 23h. With light precipitation of 2mm, the most intense rain will be falling from 12h to 15h, 22h and at 23h.
The temperature will vary between the highest temperature of 30°C and the lowest temperature of 21°C. The feels-like temperature will be between the highest temperature of 35°C and the lowest temperature of 21°C. The hottest part of the day will be from 11h to 14h.
The maximum temperature will be similar to the average high of 29.9°C in October. The temperature low is forecasted to be also consistent with the usual October value of 19.5°C.
Known as the coldest month in San Simon, October records average highs of 29.9°C and lows of 19.5°C.
Updated: Oct 20, 2026 @ 09:41:50 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently, it rains, but precipitation is minimal.

Currently (03:41 CST) it is 21°C in San Simon.

On Tuesday, in San Simon, unstable weather may lead to more thunderstorms.

Moderate precipitation of 16mm is expected. The chance of rainfall is high at 92%.

Today, the highest temperature will be 31°C, while the lowest temperature will be 21°C. The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is appraised at 42°C.
The highest temperature will be in line with the average maximum of 29.9°C in October. The lowest temperature will be also in line with the average low of 19.5°C.

On Tuesday, in San Simon, sunrise will be at 05:44 and sunset at 17:30 (CST).

Today, the daylight will last for 11h and 46min.