Weather forecast for todaySan Marcos, El Salvador

Weather forecast for today

Current condition 10:24 CST

  • 27°C
  • Feels like:
    29°C
Fair
Fair
  • Precipitation: 0mm
  • Wind: 10km/hNNW 330°
  • Humidity: 57%
  • Dewpoint: 18°C
  • Pressure: 1017.27mbar
  • Visibility: 9.66km
  • UV index: 9
  • ▼
At the moment, in San Marcos, a peaceful atmosphere supports steady fair weather.
The temperature is a warm 27°C, and the apparent temperature is calculated to be a moderately hot 29°C. The current temperature is only a few degrees off the today's maximum of 30°C.

Wednesday 11. Nov 2026

  • 30°C
  • 20°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 12km/hWSW 250°
  • Humidity: 63%
  • UV index: 11
  • Sunrise: 05:54 CST
  • Sunset: 17:26 CST
  • ▼
Today, on Wednesday, 11th of November, sunshine will prevail for most of the day.
The maximum temperature will be a tropical 30°C, while the minimum temperature will be an agreeable 20°C.
The maximum heat index, which indicates how humid air affects the felt temperature, is evaluated at a tropical 33°C. Note that heat index values are valued for light wind and location in the shade.
The anticipated temperature peak will correspond with November's average maximum of 30.3°C.
Sunrise was at 05:54 and sunset will be at 17:26; the daylight will last for 11h and 32min.

Hourly overview

Hourly temperatures

Warmest hour: 13h 31°C.
Coldest hour: 1h 23°C.

Chance of precipitation

Highest chance: 13h 9%.

Hourly weather forecast

  • 11h
  • 28°C
  • Feels like:
    29°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 9km/hNNE 18°
  • Humidity: 55%
  • Pressure: 1012mbar
  • Visibility: 13km
  • UV index: 10
  • ▼
  • 12h
  • 29°C
  • Feels like:
    30°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 8km/hN 359°
  • Humidity: 54%
  • Pressure: 1011mbar
  • Visibility: 14km
  • UV index: 11
  • ▼
  • 13h
  • 29°C
  • Feels like:
    31°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 9km/hWSW 255°
  • Humidity: 57%
  • Pressure: 1010mbar
  • Visibility: 15km
  • UV index: 9
  • ▼
  • 14h
  • 28°C
  • Feels like:
    31°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 11km/hSW 219°
  • Humidity: 59%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 6
  • ▼
  • 15h
  • 28°C
  • Feels like:
    30°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 12km/hSW 229°
  • Humidity: 63%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 16h
  • 27°C
  • Feels like:
    29°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 12km/hSW 230°
  • Humidity: 66%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 17h
  • 25°C
  • Feels like:
    25°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 10km/hSW 225°
  • Humidity: 73%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 17:26
  • 18h
  • 25°C
  • Feels like:
    27°C
Mostly Clear
Mostly Clear
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 6km/hW 274°
  • Humidity: 83%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 19h
  • 24°C
  • Feels like:
    26°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 6km/hNNW 336°
  • Humidity: 87%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 23°C
  • Feels like:
    25°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 6km/hNNW 343°
  • Humidity: 87%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 21h
  • 23°C
  • Feels like:
    24°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 5km/hN 8°
  • Humidity: 86%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 23°C
  • Feels like:
    24°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 5km/hN 1°
  • Humidity: 86%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 23h
  • 23°C
  • Feels like:
    24°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 7km/hN 10°
  • Humidity: 87%
  • Pressure: 1012mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
Today, in San Marcos, primarily cloudy and occasionally dry and sunny weather is expected.
The temperature will be between the lowest temperature of 23°C and the highest temperature of 29°C. The hottest part of the day will be at 12h and 13h.
The forecasted high will be consistent with the typical November maximum of 30.3°C. The expected low will be also in line with the average minimum in November, which is 19.5°C.
Updated: Nov 11, 2026 @ 16:24:40 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 10:24 CST is 27°C.

Today, in San Marcos, a glowing sky and minimal clouds are expected.

Today, the maximum temperature will be 30°C, while the minimum temperature will be 20°C. The maximum heat index, which reflects the perceived temperature due to humidity levels, is computed to be 33°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 Wednesday, in San Marcos, sunrise was at 05:54 and sunset will be at 17:26 (CST).

In San Marcos, today, there will be 11h and 32min of daylight.