Weather forecast for todaySan Marcos, El Salvador

Weather forecast for today

Current condition 05:40 CST

  • 21°C
  • Feels like:
    21°C
Partly Cloudy
Partly Cloudy
  • Precipitation: 0mm
  • Wind: 8km/hN 350°
  • Humidity: 87%
  • Dewpoint: 18°C
  • Pressure: 1011.51mbar
  • Visibility: 16.09km
  • UV index: 0
  • ▼
Currently, in San Marcos, the sky is partially covered with clouds, offering glimpses of blue.
The temperature is a delightful 21°C. The current temperature is near the lowest predicted 20°C for today.

Thursday 12. Nov 2026

  • 30°C
  • 20°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0mm
  • Wind: 13km/hWNW 295°
  • Humidity: 68%
  • UV index: 11
  • Sunrise: 05:55 CST
  • Sunset: 17:26 CST
  • ▼
Today, in San Marcos, clouds and sunshine will create a dynamic sky throughout the day.
Temperatures will oscillate between a blazing 30°C at their highest and a delightful 20°C at their lowest.
The maximum heat index, which integrates air moisture with ambient temperature, is assessed at a very hot 35°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 high temperature is expected to match November's standard maximum of 30.3°C.
Sunrise will be at 05:55 and sunset at 17:26; the daylight will last for 11h and 32min.

Hourly overview

Hourly temperatures

Warmest hour: 14h 32°C.
Coldest hour: 6h 20°C.

Chance of precipitation

Highest chance: 14h 22%.

Hourly weather forecast

  • 6h
  • 20°C
  • Feels like:
    20°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 7km/hN 354°
  • Humidity: 87%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 7h
  • 22°C
  • Feels like:
    22°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 8km/hN 357°
  • Humidity: 78%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 8h
  • 24°C
  • Feels like:
    24°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 9km/hN 357°
  • Humidity: 68%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
  • 9h
  • 26°C
  • Feels like:
    28°C
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 10km/hN 3°
  • Humidity: 63%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 5
  • ▼
  • 10h
  • 28°C
  • Feels like:
    29°C
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 10km/hN 3°
  • Humidity: 56%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 8
  • ▼
  • 11h
  • 29°C
  • Feels like:
    30°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 11km/hN 354°
  • Humidity: 52%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 10
  • ▼
  • 12h
  • 29°C
  • Feels like:
    31°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0mm
  • Wind: 10km/hNW 324°
  • Humidity: 52%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 13h
  • 30°C
  • Feels like:
    32°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 23%
  • Precipitation: 0mm
  • Wind: 10km/hSW 229°
  • Humidity: 57%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 9
  • ▼
  • 14h
  • 29°C
  • Feels like:
    32°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0mm
  • Wind: 12km/hSW 215°
  • Humidity: 62%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 6
  • ▼
  • 15h
  • 28°C
  • Feels like:
    31°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 12%
  • Precipitation: 0mm
  • Wind: 13km/hSW 214°
  • Humidity: 64%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 16h
  • 27°C
  • Feels like:
    30°C
Sunny
Sunny
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 13km/hSSW 210°
  • Humidity: 69%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 17h
  • 26°C
  • Feels like:
    28°C
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 11km/hSSW 205°
  • Humidity: 77%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 17:26
  • 18h
  • 24°C
  • Feels like:
    27°C
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 7km/hSW 224°
  • Humidity: 85%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 19h
  • 23°C
  • Feels like:
    25°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 5km/hNNW 327°
  • Humidity: 90%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 23°C
  • Feels like:
    24°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 5km/hN 354°
  • Humidity: 90%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 21h
  • 23°C
  • Feels like:
    24°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 4km/hN 10°
  • Humidity: 90%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 22°C
  • Feels like:
    24°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 4km/hN 359°
  • Humidity: 91%
  • Pressure: 1011mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 23h
  • 22°C
  • Feels like:
    23°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 5km/hNNE 19°
  • Humidity: 90%
  • Pressure: 1011mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
Today, a combination of cloudy and dry and sunny weather is expected.
The temperature will vary between the highest temperature of 30°C and the lowest temperature of 20°C. The hottest part of the day is anticipated around 13h.
The highest temperature will be resembling November's average maximum of 30.3°C. The minimum temperature will be also consistent with November's average low of 19.5°C.
Updated: Nov 12, 2026 @ 11:40:55 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 05:40 CST is 21°C.

Today, expect partly sunny skies with periods of cloudiness.

Today, the highest temperature in San Marcos, El Salvador, will be 30°C, while the lowest temperature will be 20°C. The maximum heat index, which reflects the perceived temperature due to humidity levels, is calculated to be 35°C.
The maximum temperature will be in line with the average highest temperature of 30.3°C in November. The lowest temperature will be also in line with the average low of 19.5°C.

On Thursday, in San Marcos, sunrise will be at 05:55 and sunset at 17:26 (CST).

In San Marcos, El Salvador, the length of the day today will be 11h and 32min.