Weather forecast for todaySan Marcos, El Salvador

Weather forecast for today

Current condition 08:39 CST

  • 26°C
  • Feels like:
    26°C
Fair
Fair
  • Precipitation: 0mm
  • Wind: 11km/hNNW 330°
  • Humidity: 67%
  • Dewpoint: 19°C
  • Pressure: 1015.24mbar
  • Visibility: 9.66km
  • UV index: 4
  • ▼
Currently, in San Marcos, the day unfolds with fair skies and light winds.
The temperature is a moderately hot 26°C. The current temperature is relatively far from the maximum of 32°C forecasted for today.

Thursday 12. Nov 2026

  • 32°C
  • 21°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0mm
  • Wind: 13km/hW 259°
  • Humidity: 64%
  • UV index: 11
  • Sunrise: 05:55 CST
  • Sunset: 17:26 CST
  • ▼
Today, in San Marcos, expect partly sunny skies with periods of cloudiness.
The temperature will vary between a maximum of a tropical 32°C and a minimum of an agreeable 21°C.
The maximum heat index, which integrates air moisture with ambient temperature, is computed to be a fiery hot 38°C. Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The predicted daytime maximum should align with the typical November high of 30.3°C.
Sunrise was at 05:55 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: 23h 24°C.

Chance of precipitation

Highest chance: 13h 13%.

Hourly weather forecast

  • 9h
  • 26°C
  • Feels like:
    28°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 11km/hN 5°
  • Humidity: 64%
  • Pressure: 1012mbar
  • Visibility: 13km
  • UV index: 5
  • ▼
  • 10h
  • 28°C
  • Feels like:
    29°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 12km/hN 5°
  • Humidity: 57%
  • Pressure: 1011mbar
  • Visibility: 15km
  • UV index: 8
  • ▼
  • 11h
  • 29°C
  • Feels like:
    30°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 12km/hN 355°
  • Humidity: 53%
  • Pressure: 1010mbar
  • Visibility: 15km
  • UV index: 10
  • ▼
  • 12h
  • 29°C
  • Feels like:
    31°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 10km/hNW 324°
  • Humidity: 52%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 13h
  • 29°C
  • Feels like:
    31°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 11km/hWSW 237°
  • Humidity: 57%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 9
  • ▼
  • 14h
  • 28°C
  • Feels like:
    31°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 12km/hSW 217°
  • Humidity: 62%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 6
  • ▼
  • 15h
  • 28°C
  • Feels like:
    30°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 13km/hSW 217°
  • Humidity: 64%
  • Pressure: 1007mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 16h
  • 29°C
  • Feels like:
    32°C
Sunny
Sunny
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 13km/hSSW 209°
  • Humidity: 68%
  • Pressure: 1007mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 17h
  • 27°C
  • Feels like:
    30°C
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 11km/hSSW 203°
  • Humidity: 76%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 17:26
  • 18h
  • 25°C
  • Feels like:
    28°C
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 8km/hSW 222°
  • Humidity: 84%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 19h
  • 24°C
  • Feels like:
    27°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 6km/hNW 325°
  • Humidity: 90%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 24°C
  • Feels like:
    27°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 6km/hN 353°
  • Humidity: 89%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 21h
  • 24°C
  • Feels like:
    25°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 5km/hNNE 23°
  • Humidity: 90%
  • Pressure: 1011mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 22h
  • 23°C
  • Feels like:
    25°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 4km/hN 357°
  • Humidity: 91%
  • Pressure: 1011mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 23h
  • 23°C
  • Feels like:
    24°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 5km/hNNE 17°
  • Humidity: 91%
  • Pressure: 1011mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
Today, in San Marcos, a combination of cloud-filled and bright weather is predicted.
The temperature will vary between a maximum of 29°C and a minimum of 23°C. The hottest part of the day will be from 11h to 13h and at 16h.
The forecasted high will be consistent with the typical November maximum of 30.3°C. The lowest temperature is also close to November's typical minimum of 19.5°C.
Updated: Nov 12, 2026 @ 14:39:21 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 08:39 CST, the temperature is 26°C.

On Thursday, partly cloudy skies will persist, making for a mix of sun and clouds.

Today, the highest temperature will be 32°C, while the lowest temperature will be 21°C. The maximum heat index, which measures the combined effect of heat and moisture, is assessed at 38°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 was at 05:55 and sunset will be at 17:26 (CST).

Today, the daylight will last for 11h and 32min.