Weather forecast for todaySan Mateo, Guatemala

Weather forecast for today

Current condition 02:31 CST

  • 12°C
  • Feels like:
    12°C
Cloudy
Cloudy
  • Precipitation: 0mm
  • Wind: 5km/hNE 40°
  • Humidity: 97%
  • Dewpoint: 12°C
  • Pressure: 1013.88mbar
  • Visibility: 8.05km
  • UV index: 0
  • ▼
At the moment, in San Mateo, the horizon is filled with endless clouds, setting a somber mood.
The temperature is a crisp 12°C. The current temperature is at the minimum expected for today.

Sunday 18. Oct 2026

  • 18°C
  • 12°C
Thunderstorms
Thunderstorms
  • Precip. probability: 67%
  • Precipitation: 0mm
  • Wind: 11km/hNE 49°
  • Humidity: 82%
  • UV index: 7
  • Sunrise: 05:58 CST
  • Sunset: 17:44 CST
  • ▼
On Sunday, 18th of October, scattered thunderstorms are expected to form.
Minimal precipitation is forecasted for today. The highest temperature will be a breezy 18°C, while the lowest temperature will be a cool 12°C.
The highest temperature is anticipated to be a few degrees lower than the average October temperature of 20.7°C.
Sunrise will be at 05:58 and sunset at 17:44; the daylight will last for 11h and 46min.

Hourly overview

Hourly temperatures

Warmest period: 12h - 15h 17°C.
Coldest period: 3h - 6h 12°C.

Chance of precipitation

Highest chance: 15h 67%.

Hourly weather forecast

  • 4h
  • 12°C
  • Feels like:
    12°C
Cloudy
Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 5km/hNNE 30°
  • Humidity: 96%
  • Pressure: 1013mbar
  • Visibility: 4km
  • UV index: 0
  • ▼
Sunrise: 05:58
  • 6h
  • 12°C
  • Feels like:
    12°C
Cloudy
Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 6km/hNNE 33°
  • Humidity: 96%
  • Pressure: 1014mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
  • 8h
  • 14°C
  • Feels like:
    14°C
Cloudy
Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 7km/hNNE 27°
  • Humidity: 92%
  • Pressure: 1014mbar
  • Visibility: 14km
  • UV index: 1
  • ▼
  • 10h
  • 16°C
  • Feels like:
    16°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 10km/hNE 35°
  • Humidity: 77%
  • Pressure: 1013mbar
  • Visibility: 14km
  • UV index: 4
  • ▼
  • 12h
  • 17°C
  • Feels like:
    17°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 59%
  • Precipitation: 1mm
  • Wind: 9km/hNE 41°
  • Humidity: 76%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 5
  • ▼
  • 14h
  • 17°C
  • Feels like:
    17°C
Thunderstorms
Thunderstorms
  • Precip. probability: 67%
  • Precipitation: 1mm
  • Wind: 10km/hENE 59°
  • Humidity: 78%
  • Pressure: 1011mbar
  • Visibility: 10km
  • UV index: 5
  • ▼
  • 16h
  • 16°C
  • Feels like:
    16°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 57%
  • Precipitation: 1mm
  • Wind: 10km/hE 83°
  • Humidity: 81%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 1
  • ▼
Sunset: 17:44
  • 18h
  • 14°C
  • Feels like:
    14°C
Few Showers
Few Showers
  • Precip. probability: 30%
  • Precipitation: 1mm
  • Wind: 8km/hNE 47°
  • Humidity: 88%
  • Pressure: 1012mbar
  • Visibility: 9km
  • UV index: 0
  • ▼
  • 20h
  • 13°C
  • Feels like:
    13°C
Cloudy
Cloudy
  • Precip. probability: 18%
  • Precipitation: 0mm
  • Wind: 7km/hNE 39°
  • Humidity: 90%
  • Pressure: 1014mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 22h
  • 13°C
  • Feels like:
    13°C
Cloudy
Cloudy
  • Precip. probability: 18%
  • Precipitation: 0mm
  • Wind: 7km/hNE 35°
  • Humidity: 90%
  • Pressure: 1015mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
Today, a combination of cloud-filled, lightning-active and showery weather is expected.
With minimal precipitation of 1mm, rainfall is expected from 11h to 18h.
The temperature will be between a minimum of 12°C and a maximum of 18°C. The warmest part of the day is expected around 13h.
The temperature is expected to be a couple of degrees lower than the average peak in October, which is 20.7°C. The expected low will be also similar to the average minimum in October, which is 12.4°C.
The coldest month in San Mateo is October, featuring an average high of 20.7°C and an average low of 12.4°C.
Updated: Oct 18, 2026 @ 08:31:25 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (02:31 CST) it is 12°C in San Mateo.

Today, stormy skies are anticipated.

There is a high likelihood of rainfall, but precipitation will be minimal.

Today, the highest temperature will be 18°C, while the lowest temperature will be 12°C.
Today, the highest temperature will be relatively lower than the average maximum temperature in October. The lowest temperature today will be in line with the average low temperature.

On Sunday, in San Mateo, sunrise will be at 05:58 and sunset at 17:44 (CST).

Today, the daylight will last for 11h and 46min.