Weather forecast for todaySan Marcos, El Salvador

Weather forecast for today

Current condition 12:38 CST

  • 27°C
  • Feels like:
    29°C
Fair
Fair
  • Precipitation: 0mm
  • Wind: 5km/hE 80°
  • Humidity: 60%
  • Dewpoint: 19°C
  • Pressure: 1014.22mbar
  • Visibility: 9.66km
  • UV index: 10
  • ▼
Currently, in San Marcos, warm breezes complement the overall fair weather outlook.
The temperature is a temperate 27°C, and the apparent temperature is assessed at a warm 29°C. The current temperature is nearly at the maximum 29°C for today.

Thursday 5. Nov 2026

  • 29°C
  • 19°C
Showers
Showers
  • Precip. probability: 74%
  • Precipitation: 2mm
  • Wind: 9km/hSSE 149°
  • Humidity: 73%
  • UV index: 10
  • Sunrise: 05:52 CST
  • Sunset: 17:28 CST
  • ▼
Today, in San Marcos, light showers are likely, with some brief dry spells throughout the day.
Minimal precipitation is anticipated. Temperature is predicted to swing from a high of a warm 29°C to a low of an enjoyable 19°C.
The maximum heat index, which indicates how humid air affects the felt temperature, is assessed at a blazing 33°C. Note that heat index values are valued for light wind and location in the shade.
The forecasted temperature peak will correspond with November's average maximum of 30.3°C.
Sunrise was at 05:52 and sunset will be at 17:28; the daylight will last for 11h and 35min.

Hourly overview

Hourly temperatures

Warmest hour: 13h 29°C.
Coldest hour: 19h 21°C.

Chance of precipitation

Highest chance: 13h 67%.

Hourly weather forecast

  • 13h
  • 27°C
  • Feels like:
    29°C
Light Rain
Light Rain
  • Precip. probability: 67%
  • Precipitation: 1mm
  • Wind: 6km/hSE 131°
  • Humidity: 62%
  • Pressure: 1009mbar
  • Visibility: 11km
  • UV index: 6
  • ▼
  • 14h
  • 26°C
  • Feels like:
    28°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 8km/hSSE 149°
  • Humidity: 65%
  • Pressure: 1009mbar
  • Visibility: 12km
  • UV index: 6
  • ▼
  • 15h
  • 26°C
  • Feels like:
    28°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 9km/hSSE 161°
  • Humidity: 69%
  • Pressure: 1008mbar
  • Visibility: 15km
  • UV index: 3
  • ▼
  • 16h
  • 25°C
  • Feels like:
    25°C
Cloudy
Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 11km/hSSE 148°
  • Humidity: 74%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 17h
  • 24°C
  • Feels like:
    24°C
Cloudy
Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 9km/hSSE 155°
  • Humidity: 78%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 17:28
  • 18h
  • 22°C
  • Feels like:
    22°C
Cloudy
Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 7km/hSE 129°
  • Humidity: 87%
  • Pressure: 1009mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 19h
  • 21°C
  • Feels like:
    21°C
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 6km/hENE 71°
  • Humidity: 90%
  • Pressure: 1010mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 20h
  • 22°C
  • Feels like:
    23°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 5km/hENE 65°
  • Humidity: 90%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 21h
  • 21°C
  • Feels like:
    22°C
Cloudy
Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 5km/hNE 49°
  • Humidity: 88%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 21°C
  • Feels like:
    22°C
Cloudy
Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 4km/hNNE 23°
  • Humidity: 90%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 23h
  • 21°C
  • Feels like:
    22°C
Cloudy
Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 5km/hNE 49°
  • Humidity: 89%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Today, in San Marcos, primarily cloudy and occasionally rain-soaked weather is anticipated.
With a probability of 67%, minimal rainfall is predicted at midnight.
The temperature will vary between a minimum of 21°C and a maximum of 27°C. The warmest part of the day is expected around 13h.
The high temperature is expected to be resembling November's usual value of 30.3°C. The lowest temperature is also in line with November's typical minimum of 19.5°C.
Updated: Nov 5, 2026 @ 18:38:51 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 12:38 CST is 27°C.

On Thursday, expect occasional showers throughout the day, with the rain easing off in the afternoon.

There is a high probability of rainfall. Precipitation will be minimal.

Today, the highest temperature will be 29°C, while the lowest temperature will be 19°C. The maximum heat index, which combines air temperature and relative humidity, is computed to be 33°C.
The highest temperature will be in line with the average maximum 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 05:52 and sunset will be at 17:28 (CST).

In San Marcos, the length of the day today will be 11h and 35min.