Weather forecast for todaySan Marcos, El Salvador

Weather forecast for today

Current condition 12:47 CST

  • 27°C
  • Feels like:
    28°C
Partly Cloudy
Partly Cloudy
  • Precipitation: 0mm
  • Wind: 10km/hN 350°
  • Humidity: 64%
  • Dewpoint: 19°C
  • Pressure: 1013.21mbar
  • Visibility: 9.66km
  • UV index: 9
  • ▼
Currently, in San Marcos, a mixture of clouds and sunlight is shaping today’s conditions.
The temperature is a moderately hot 27°C, with the apparent temperature closely matching at 28°C. The current temperature is almost at the maximum expected 28°C for today.

Saturday 7. Nov 2026

  • 28°C
  • 20°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 60%
  • Precipitation: 5mm
  • Wind: 10km/hSSE 150°
  • Humidity: 75%
  • UV index: 10
  • Sunrise: 05:53 CST
  • Sunset: 17:27 CST
  • ▼
Today, in San Marcos, scattered thunderstorms are anticipated, and some of them may bring gusty winds and rain.
The chance of precipitation is high. However, the rainfall will be light. The maximum temperature will be a warm 28°C, while the minimum expected temperature is a pleasant 20°C.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is assessed at a tropical 31°C. Note that heat index values are valued for light wind and location in the shade.
The daily maximum temperature is predicted to be slightly cooler than November's climate average of 30.3°C.
Sunrise was at 05:53 and sunset will be at 17:27; the daylight will last for 11h and 34min.

Hourly overview

Hourly temperatures

Warmest period: 13h - 14h 28°C.
Coldest hour: 19h 21°C.

Chance of precipitation

Highest chance: 13h 65%.

Hourly weather forecast

  • 13h
  • 27°C
  • Feels like:
    28°C
Thunderstorms
Thunderstorms
  • Precip. probability: 65%
  • Precipitation: 1mm
  • Wind: 9km/hNE 41°
  • Humidity: 64%
  • Pressure: 1008mbar
  • Visibility: 11km
  • UV index: 9
  • ▼
  • 14h
  • 26°C
  • Feels like:
    28°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 60%
  • Precipitation: 1mm
  • Wind: 10km/hESE 123°
  • Humidity: 71%
  • Pressure: 1007mbar
  • Visibility: 11km
  • UV index: 5
  • ▼
  • 15h
  • 25°C
  • Feels like:
    25°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 49%
  • Precipitation: 1mm
  • Wind: 10km/hS 188°
  • Humidity: 76%
  • Pressure: 1007mbar
  • Visibility: 11km
  • UV index: 2
  • ▼
  • 16h
  • 25°C
  • Feels like:
    25°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 8km/hS 180°
  • Humidity: 75%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 17h
  • 23°C
  • Feels like:
    23°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 7km/hSSW 194°
  • Humidity: 81%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 17:27
  • 18h
  • 22°C
  • Feels like:
    22°C
Isolated Thunderstorms
Isolated Thunderstorms
  • Precip. probability: 33%
  • Precipitation: 1mm
  • Wind: 7km/hNNE 32°
  • Humidity: 89%
  • Pressure: 1009mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
  • 19h
  • 21°C
  • Feels like:
    21°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 55%
  • Precipitation: 1mm
  • Wind: 5km/hN 7°
  • Humidity: 93%
  • Pressure: 1010mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 20h
  • 22°C
  • Feels like:
    23°C
Showers
Showers
  • Precip. probability: 45%
  • Precipitation: 1mm
  • Wind: 4km/hNE 43°
  • Humidity: 92%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 21h
  • 22°C
  • Feels like:
    23°C
Showers
Showers
  • Precip. probability: 39%
  • Precipitation: 1mm
  • Wind: 4km/hNE 39°
  • Humidity: 91%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 22h
  • 21°C
  • Feels like:
    22°C
Showers
Showers
  • Precip. probability: 46%
  • Precipitation: 1mm
  • Wind: 3km/hNNE 24°
  • Humidity: 91%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 23h
  • 21°C
  • Feels like:
    22°C
Showers
Showers
  • Precip. probability: 40%
  • Precipitation: 1mm
  • Wind: 5km/hNE 40°
  • Humidity: 90%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
Today, in San Marcos, a combination of unstable, showery and cloudy weather is forecasted.
With minimal precipitation of 1mm, rainfall is predicted from 13h to 15h, and from 18h to 23h.
The temperature will be between a minimum of 21°C and a maximum of 27°C. The warmest part of the day is anticipated around 13h.
Today, expect temperatures moderately lower than what is usual for November. The lowest temperature is also consistent with November's typical minimum of 19.5°C.
Updated: Nov 7, 2026 @ 18:47:51 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (12:47 CST) is 27°C.

On Saturday, in San Marcos, scattered thunderstorms are expected, with the potential for brief but intense rain and lightning.

Light precipitation of 5mm is forecasted in San Marcos. The possibility of rainfall is 60%.

Today, the maximum temperature will be 28°C, while the minimum temperature will be 20°C. The maximum heat index, which indicates how humid air affects the felt temperature, is calculated to be 31°C.
The highest temperature will be moderately lower than the average maximum of 30.3°C in November. Today, the lowest temperature will be in line with the average low temperature.

On Saturday, in San Marcos, sunrise was at 05:53 and sunset will be at 17:27 (CST).

Today, the daylight will last for 11h and 34min.