Weather forecast for todaySan Marcos, El Salvador

Weather forecast for today

Current condition 13:53 CST

  • 27°C
  • Feels like:
    28°C
Fair
Fair
  • Precipitation: 0mm
  • Wind: 5km/hNE 40°
  • Humidity: 57%
  • Dewpoint: 17°C
  • Pressure: 1013.21mbar
  • Visibility: 9.66km
  • UV index: 7
  • ▼
At the moment, in San Marcos, the day starts and ends with fair skies and comfortable temperatures.
The temperature is a warm 27°C, with the felt air temperature closely matching at 28°C. The current temperature is the maximum anticipated temperature of the day.

Friday 6. Nov 2026

  • 27°C
  • 19°C
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 8km/hSSE 168°
  • Humidity: 69%
  • UV index: 9
  • Sunrise: 05:52 CST
  • Sunset: 17:27 CST
  • ▼
Today, in San Marcos, overcast skies are expected.
The temperature scale will run from a maximum of a warm 27°C to a minimum of an enjoyable 19°C.
The maximum heat index, which combines relative humidity and air temperature, is appraised at 29°C.
Predicted temperatures are trending moderately lower than November's climate norm 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 period: 14h - 15h 28°C.
Coldest period: 19h - 20h 21°C.

Chance of precipitation

Highest chance: 22h 11%.

Hourly weather forecast

  • 14h
  • 27°C
  • Feels like:
    28°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 6km/hENE 61°
  • Humidity: 57%
  • Pressure: 1007mbar
  • Visibility: 13km
  • UV index: 6
  • ▼
  • 15h
  • 26°C
  • Feels like:
    28°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 8km/hS 182°
  • Humidity: 61%
  • Pressure: 1007mbar
  • Visibility: 15km
  • UV index: 3
  • ▼
  • 16h
  • 25°C
  • Feels like:
    25°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 8km/hS 171°
  • Humidity: 69%
  • Pressure: 1008mbar
  • Visibility: 15km
  • UV index: 1
  • ▼
  • 17h
  • 24°C
  • Feels like:
    24°C
Cloudy
Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 9km/hS 169°
  • Humidity: 75%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 17:27
  • 18h
  • 22°C
  • Feels like:
    22°C
Cloudy
Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 8km/hSSE 160°
  • Humidity: 85%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 19h
  • 21°C
  • Feels like:
    21°C
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 6km/hNNE 20°
  • Humidity: 88%
  • Pressure: 1010mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 21°C
  • Feels like:
    21°C
Cloudy
Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 5km/hNE 49°
  • Humidity: 88%
  • Pressure: 1011mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 21h
  • 22°C
  • Feels like:
    23°C
Cloudy
Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 4km/hNE 39°
  • Humidity: 89%
  • Pressure: 1011mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 22h
  • 21°C
  • Feels like:
    22°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 3km/hNNE 24°
  • Humidity: 89%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 23h
  • 21°C
  • Feels like:
    22°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 5km/hNE 35°
  • Humidity: 88%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 0h
  • 21°C
  • Feels like:
    22°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0mm
  • Wind: 4km/hNNE 29°
  • Humidity: 89%
  • Pressure: 1010mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
For the rest of the day, cloudy conditions are likely to prevail.
The temperature will vary between a minimum of 21°C and a maximum of 27°C. The warmest part of the day will be around 14h.
The high will be a few degrees lower than the normal maximum of 30.3°C for November. The night temperature will be also alike with the standard November low of 19.5°C.
Updated: Nov 6, 2026 @ 19:53:42 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (13:53 CST) it is 27°C in San Marcos.

On Friday, in San Marcos, the sky will be blanketed in clouds.

Today, the maximum temperature will be 27°C, while the minimum temperature will be 19°C. The maximum heat index, which combines relative humidity and air temperature, is assessed at 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).

Today, the daylight will last for 11h and 35min.