Weather forecast for todaySan Marcos, El Salvador

Weather forecast for today

Current condition 11:48 CST

  • 26°C
  • Feels like:
    27°C
Fair
Fair
  • Precipitation: 0mm
  • Wind: 11km/hNNW 330°
  • Humidity: 57%
  • Dewpoint: 17°C
  • Pressure: 1015.24mbar
  • Visibility: 9.66km
  • UV index: 11
  • ▼
At the moment, clear skies and sunshine define today’s fair conditions.
The temperature is a moderately hot 26°C, with the real-feel temperature closely matching at 27°C. The current temperature is almost at the maximum of today's expected 27°C.

Friday 6. Nov 2026

  • 27°C
  • 19°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0mm
  • Wind: 11km/hSE 144°
  • Humidity: 67%
  • UV index: 11
  • Sunrise: 05:52 CST
  • Sunset: 17:27 CST
  • ▼
Today, in San Marcos, the sky is expected to stay overcast for much of the day.
Temperatures are anticipated to range from a maximum of a temperate 27°C to a minimum of a comfortable 19°C.
The maximum heat index, which modifies the air temperature to account for humidity, is estimated at 29°C.
The expected high will be a few degrees lower than November's standard temperature of 30.3°C.
Sunrise was at 05:52 and sunset will be at 17:27; the daylight will last for 11h and 35min.

Hourly overview

Hourly temperatures

Warmest hour: 14h 28°C.
Coldest hour: 18h 22°C.

Chance of precipitation

Highest chance: 21h 24%.

Hourly weather forecast

  • 12h
  • 26°C
  • Feels like:
    27°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 11km/hN 7°
  • Humidity: 56%
  • Pressure: 1010mbar
  • Visibility: 13km
  • UV index: 11
  • ▼
  • 13h
  • 26°C
  • Feels like:
    27°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 9km/hNNE 12°
  • Humidity: 57%
  • Pressure: 1009mbar
  • Visibility: 15km
  • UV index: 9
  • ▼
  • 14h
  • 26°C
  • Feels like:
    28°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 10km/hE 100°
  • Humidity: 59%
  • Pressure: 1008mbar
  • Visibility: 15km
  • UV index: 6
  • ▼
  • 15h
  • 26°C
  • Feels like:
    27°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 10km/hSSE 161°
  • Humidity: 60%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
  • 16h
  • 25°C
  • Feels like:
    25°C
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 10km/hSSE 166°
  • Humidity: 68%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 17h
  • 24°C
  • Feels like:
    24°C
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 9km/hSSE 166°
  • Humidity: 76%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 17:27
  • 18h
  • 22°C
  • Feels like:
    22°C
Cloudy
Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 8km/hSSE 152°
  • Humidity: 85%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 19h
  • 22°C
  • Feels like:
    23°C
Cloudy
Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 5km/hNNE 13°
  • Humidity: 90%
  • Pressure: 1010mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 20h
  • 22°C
  • Feels like:
    23°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0mm
  • Wind: 4km/hNE 40°
  • Humidity: 89%
  • Pressure: 1011mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 21h
  • 21°C
  • Feels like:
    23°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 4km/hNE 35°
  • Humidity: 89%
  • Pressure: 1011mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
  • 22h
  • 21°C
  • Feels like:
    22°C
Cloudy
Cloudy
  • Precip. probability: 22%
  • Precipitation: 0mm
  • Wind: 4km/hNNE 19°
  • Humidity: 89%
  • Pressure: 1011mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
  • 23h
  • 21°C
  • Feels like:
    22°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 5km/hNNE 33°
  • Humidity: 90%
  • Pressure: 1011mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
Today, in San Marcos, the weather will be cloudy.
The temperature will be between the highest temperature of 26°C and the lowest temperature of 21°C. The warmest part of the day will be from 12h to 15h.
The temperature is expected to be a few degrees lower than the average peak in November, which is 30.3°C. The temperature low is forecasted to be also in line with the usual November value of 19.5°C.
Updated: Nov 6, 2026 @ 17:48:41 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (11:48 CST) it is 26°C in San Marcos.

Today, in San Marcos, mostly cloudy conditions are expected.

Today, the highest temperature will be 27°C, while the lowest temperature will be 19°C. The maximum heat index, which indicates how humid air affects the felt temperature, is computed to be 29°C.
The highest temperature will be a few degrees lower than the average maximum of 30.3°C in November. The lowest temperature will be in line with the average low of 19.5°C.

On Friday, in San Marcos, sunrise was at 05:52 and sunset will be at 17:27 (CST).

In San Marcos, today, there will be 11h and 35min of daylight.