Weather forecast for todaySan Mateo, Guatemala

Weather forecast for today

Current condition 15:07 CST

  • 17°C
  • Feels like:
    16°C
Cloudy
Cloudy
  • Precipitation: 0mm
  • Wind: 18km/hN 0°
  • Humidity: 80%
  • Dewpoint: 13°C
  • Pressure: 1010.84mbar
  • Visibility: 9.66km
  • UV index: 1
  • ▼
Currently, in San Mateo, the horizon is coated in dense cloud cover, keeping the day gray.
The temperature is an enjoyable 17°C, and the apparent temperature is almost the same at 16°C. The current temperature is the maximum anticipated temperature of the day.

Sunday 18. Oct 2026

  • 17°C
  • 12°C
Thundershowers
Thundershowers
  • Precip. probability: 93%
  • Precipitation: 7mm
  • Wind: 21km/hENE 69°
  • Humidity: 84%
  • UV index: 1
  • Sunrise: 05:58 CST
  • Sunset: 17:44 CST
  • ▼
Today, on Sunday, 18th of October, rain mixed with thunder may affect some areas.
With a high probability, light precipitation is predicted. The daytime temperature will peak at a comfortable 17°C, slightly differing from the night's low of a crisp 12°C.
The highest temperature is forecasted to be slightly cooler than the average October temperature of 20.7°C.
Sunrise was at 05:58 and sunset will be at 17:44; the daylight will last for 11h and 46min.

Hourly overview

Hourly temperatures

Warmest hour: 16h 16°C.
Coldest hour: 0h 13°C.

Chance of precipitation

Highest chance: 19h 92%.

Hourly weather forecast

  • 16h
  • 16°C
  • Feels like:
    15°C
Light Rain
Light Rain
  • Precip. probability: 77%
  • Precipitation: 0mm
  • Wind: 17km/hE 88°
  • Humidity: 82%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 1
  • ▼
  • 17h
  • 15°C
  • Feels like:
    14°C
Light Rain
Light Rain
  • Precip. probability: 75%
  • Precipitation: 1mm
  • Wind: 15km/hENE 63°
  • Humidity: 84%
  • Pressure: 1011mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
Sunset: 17:44
  • 18h
  • 14°C
  • Feels like:
    14°C
Light Rain
Light Rain
  • Precip. probability: 90%
  • Precipitation: 1mm
  • Wind: 11km/hNE 35°
  • Humidity: 89%
  • Pressure: 1012mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 19h
  • 14°C
  • Feels like:
    14°C
Rain
Rain
  • Precip. probability: 92%
  • Precipitation: 2mm
  • Wind: 7km/hNE 41°
  • Humidity: 90%
  • Pressure: 1013mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
  • 20h
  • 14°C
  • Feels like:
    14°C
Light Rain
Light Rain
  • Precip. probability: 73%
  • Precipitation: 1mm
  • Wind: 6km/hNNE 33°
  • Humidity: 91%
  • Pressure: 1014mbar
  • Visibility: 3km
  • UV index: 0
  • ▼
  • 21h
  • 14°C
  • Feels like:
    14°C
Light Rain
Light Rain
  • Precip. probability: 71%
  • Precipitation: 1mm
  • Wind: 5km/hNE 38°
  • Humidity: 93%
  • Pressure: 1015mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
  • 22h
  • 14°C
  • Feels like:
    14°C
Showers
Showers
  • Precip. probability: 59%
  • Precipitation: 1mm
  • Wind: 5km/hNNE 31°
  • Humidity: 92%
  • Pressure: 1015mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
  • 23h
  • 14°C
  • Feels like:
    14°C
Showers
Showers
  • Precip. probability: 53%
  • Precipitation: 2mm
  • Wind: 5km/hNNE 34°
  • Humidity: 91%
  • Pressure: 1015mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
  • 0h
  • 13°C
  • Feels like:
    13°C
Showers
Showers
  • Precip. probability: 48%
  • Precipitation: 2mm
  • Wind: 5km/hNE 34°
  • Humidity: 93%
  • Pressure: 1014mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
  • 1h
  • 13°C
  • Feels like:
    13°C
Showers
Showers
  • Precip. probability: 35%
  • Precipitation: 1mm
  • Wind: 5km/hN 353°
  • Humidity: 94%
  • Pressure: 1014mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
For the rest of Sunday, rainfall is anticipated.
Rainfall is expected from 17h to 23h. The most intense rain will be falling at 19h and 23h.
The temperature will be between the highest temperature of 16°C and the lowest temperature of 14°C. The warmest part of the day is anticipated around 16h.
The temperature is expected to be a couple of degrees lower than the average peak in October, which is 20.7°C. The minimum temperature will be also close to October's average low of 12.4°C.
October brings the coldest weather in San Mateo, with average highs near 20.7°C and average lows at 12.4°C.
Updated: Oct 18, 2026 @ 21:07:26 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (15:07 CST) it is 17°C in San Mateo.

On Sunday, in San Mateo, thunderclaps with light rain may develop.

Light precipitation of 7mm is forecasted. The likelihood of rainfall is high at 93%.

Today, the maximum temperature will be 17°C, while the minimum temperature will be 12°C.
The highest temperature will be a couple of degrees lower than the average maximum of 20.7°C in October. The lowest temperature today will be in line with the average low temperature.

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

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