Weather forecast for todaySan Marcos, El Salvador

Weather forecast for today

Current condition 18:51 CST

  • 22°C
  • Feels like:
    22°C
Partly Cloudy
Partly Cloudy
  • Precipitation: 0mm
  • Wind: 18km/hS 170°
  • Humidity: 90%
  • Dewpoint: 21°C
  • Pressure: 1013.21mbar
  • Visibility: 9.66km
  • UV index: 0
  • ▼
Currently, the sky is partially covered with clouds, offering glimpses of blue.
The temperature is a pleasant 22°C. The current temperature is near the lowest anticipated 20°C for today.

Wednesday 4. Nov 2026

  • min.
  • 20°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 90%
  • Precipitation: 6mm
  • Wind: 17km/hENE 61°
  • Humidity: 94%
  • UV index: 0
  • Sunrise: 05:52 CST
  • Sunset: 17:28 CST
  • ▼
During the evening and overnight hours, scattered thunderstorms are expected, bringing gusty winds and heavy rain at times.
The likelihood of rainfall for today is high. However, precipitation will be light. The lowest forecasted temperature is a delightful 20°C.
Sunrise was at 05:52 and sunset at 17:28; the daylight lasted for 11h and 37min.

Hourly overview

Hourly temperatures

Maximum temperature: 22°C.
Coldest period: 22h - 1h 20°C.

Chance of precipitation

Highest chance: 22h 95%.

Hourly weather forecast

  • 19h
  • 22°C
  • Feels like:
    22°C
Thundershowers
Thundershowers
  • Precip. probability: 61%
  • Precipitation: 1mm
  • Wind: 16km/hSE 143°
  • Humidity: 91%
  • Pressure: 1011mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
  • 20h
  • 22°C
  • Feels like:
    22°C
Showers
Showers
  • Precip. probability: 46%
  • Precipitation: 1mm
  • Wind: 15km/hESE 112°
  • Humidity: 92%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 21h
  • 21°C
  • Feels like:
    21°C
Showers
Showers
  • Precip. probability: 67%
  • Precipitation: 1mm
  • Wind: 12km/hE 93°
  • Humidity: 92%
  • Pressure: 1012mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
  • 22h
  • 20°C
  • Feels like:
    20°C
Rain
Rain
  • Precip. probability: 95%
  • Precipitation: 2mm
  • Wind: 5km/hNE 49°
  • Humidity: 94%
  • Pressure: 1013mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
  • 23h
  • 20°C
  • Feels like:
    20°C
Rain
Rain
  • Precip. probability: 78%
  • Precipitation: 2mm
  • Wind: 5km/hNE 55°
  • Humidity: 92%
  • Pressure: 1012mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
  • 0h
  • 20°C
  • Feels like:
    20°C
Rain
Rain
  • Precip. probability: 88%
  • Precipitation: 3mm
  • Wind: 4km/hENE 58°
  • Humidity: 94%
  • Pressure: 1012mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
  • 1h
  • 20°C
  • Feels like:
    20°C
Rain
Rain
  • Precip. probability: 78%
  • Precipitation: 3mm
  • Wind: 4km/hNE 47°
  • Humidity: 94%
  • Pressure: 1011mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
  • 2h
  • 21°C
  • Feels like:
    22°C
Showers
Showers
  • Precip. probability: 41%
  • Precipitation: 1mm
  • Wind: 3km/hENE 60°
  • Humidity: 95%
  • Pressure: 1011mbar
  • Visibility: 9km
  • UV index: 0
  • ▼
  • 3h
  • 21°C
  • Feels like:
    22°C
Cloudy
Cloudy
  • Precip. probability: 23%
  • Precipitation: 0mm
  • Wind: 4km/hNNE 29°
  • Humidity: 95%
  • Pressure: 1010mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
  • 4h
  • 21°C
  • Feels like:
    22°C
Cloudy
Cloudy
  • Precip. probability: 20%
  • Precipitation: 0mm
  • Wind: 3km/hNE 49°
  • Humidity: 97%
  • Pressure: 1010mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
For the rest of Wednesday, primarily damp and occasionally lightning-active weather is expected.
Rainfall is anticipated for the rest of the day, with precipitation varying from a minimal 1mm to a maximum of 2mm. With light precipitation of 2mm, the most intense rain will be falling at 22h and 23h.
The temperature will vary between a maximum of 22°C and a minimum of 20°C.
Updated: Nov 5, 2026 @ 00:51:48 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (18:51 CST) is 22°C.

Today, expect scattered thunderstorms to develop later in the day, with the possibility of lightning and strong winds.

Light precipitation of 6mm is predicted. The possibility of rainfall is high at 90%.

On Wednesday, in San Marcos, sunrise was at 05:52 and sunset at 17:28 (CST).

Today in San Marcos, the length of the day was 11h and 37min.