Weather forecast for todaySan Marcos, El Salvador

Weather forecast for today

Current condition 09:05 CST

  • 26°C
  • Feels like:
    26°C
Fair
Fair
  • Precipitation: 0mm
  • Wind: 14km/hNNW 330°
  • Humidity: 64%
  • Dewpoint: 18°C
  • Pressure: 1017.27mbar
  • Visibility: 9.66km
  • UV index: 5
  • ▼
In San Marcos, at the moment, the weather remains undisturbed, keeping conditions fair and stable.
The temperature is a warm 26°C. The current temperature is a few degrees off the maximum of 30°C for today.

Wednesday 11. Nov 2026

  • 30°C
  • 20°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 12km/hW 275°
  • Humidity: 62%
  • UV index: 11
  • Sunrise: 05:54 CST
  • Sunset: 17:26 CST
  • ▼
On Wednesday, in San Marcos, predominantly sunny weather will make for pleasant outdoor conditions.
Temperature span will be from a high of a hot 30°C to a low of a delightful 20°C.
The maximum heat index, which factors the actual air temperature with the relative humidity, is calculated to be a humid 33°C. Note that heat index values are valued for light wind and location in the shade.
The maximum temperature will align with November's usual high 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: 14h 31°C.
Coldest period: 22h - 0h 24°C.

Chance of precipitation

Highest chance: 14h 10%.

Hourly weather forecast

  • 10h
  • 27°C
  • Feels like:
    29°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 14km/hNNE 13°
  • Humidity: 57%
  • Pressure: 1013mbar
  • Visibility: 13km
  • UV index: 8
  • ▼
  • 11h
  • 28°C
  • Feels like:
    30°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 14km/hNNE 13°
  • Humidity: 52%
  • Pressure: 1012mbar
  • Visibility: 15km
  • UV index: 10
  • ▼
  • 12h
  • 29°C
  • Feels like:
    30°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 12km/hNNW 348°
  • Humidity: 52%
  • Pressure: 1011mbar
  • Visibility: 15km
  • UV index: 11
  • ▼
  • 13h
  • 29°C
  • Feels like:
    31°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 9km/hWSW 248°
  • Humidity: 55%
  • Pressure: 1010mbar
  • Visibility: 16km
  • 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
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 12km/hSW 231°
  • Humidity: 66%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 17h
  • 26°C
  • Feels like:
    29°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 9km/hSW 221°
  • 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: 7%
  • Precipitation: 0mm
  • Wind: 7km/hW 273°
  • Humidity: 82%
  • 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 337°
  • Humidity: 87%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 23°C
  • Feels like:
    25°C
Mostly Clear
Mostly Clear
  • 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 9°
  • 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 358°
  • Humidity: 86%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 23h
  • 23°C
  • Feels like:
    24°C
Mostly Clear
Mostly Clear
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 7km/hN 10°
  • Humidity: 87%
  • Pressure: 1012mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
Today, a combination of cloudy and bright weather is forecasted.
The temperature will vary between the highest temperature of 29°C and the lowest temperature of 23°C. The hottest part of the day will be at 12h and 13h.
The maximum temperature will be in line with the average high of 30.3°C in November. The minimum temperature will be also resembling November's average low of 19.5°C.
Updated: Nov 11, 2026 @ 15:05:23 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (09:05 CST) it is 26°C in San Marcos.

Today, mainly sunny skies with just a few high clouds are anticipated.

Today, the maximum temperature will be 30°C, while the minimum temperature will be 20°C. The maximum heat index, which adjusts the air temperature based on humidity, is evaluated at 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.