Weather forecast for todaySan Francisco, Guatemala

Weather forecast for today

Current condition 00:26 CST

  • 23°C
  • Feels like:
    23°C
Fair
Fair
  • Precipitation: 0mm
  • Wind: 0km/hW 280°
  • Humidity: 99%
  • Dewpoint: 23°C
  • Pressure: 1015.24mbar
  • Visibility: 9.66km
  • UV index: 0
  • ▼
At the moment, in San Francisco, mild temperatures and clear skies define the day’s fair conditions.
The temperature is a warm 23°C. The current temperature is almost at the minimum-predicted 22°C for today.

Tuesday 20. Oct 2026

  • 30°C
  • 22°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 79%
  • Precipitation: 0mm
  • Wind: 8km/hNW 311°
  • Humidity: 85%
  • UV index: 9
  • Sunrise: 05:53 CST
  • Sunset: 17:35 CST
  • ▼
On Tuesday, 20th of October, thunderstorms are forecasted to develop with occasional lightning.
Minimal precipitation is anticipated for today. The temperature is predicted to vary between a hot 30°C and an agreeable 22°C.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is appraised at a sizzling 39°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Forecasts show the temperature expected to reach the usual October high of 30.3°C.
Sunrise will be at 05:53 and sunset at 17:35; the daylight will last for 11h and 41min.

Hourly overview

Hourly temperatures

Warmest hour: 13h 34°C.
Coldest period: 1h - 7h 23°C.

Chance of precipitation

Highest chance: 19h 69%.

Hourly weather forecast

  • 2h
  • 23°C
  • Feels like:
    23°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 1km/hNNW 335°
  • Humidity: 98%
  • Pressure: 1012mbar
  • Visibility: 4km
  • UV index: 0
  • ▼
  • 4h
  • 23°C
  • Feels like:
    23°C
Cloudy
Cloudy
  • Precip. probability: 14%
  • Precipitation: 0mm
  • Wind: 3km/hWNW 294°
  • Humidity: 98%
  • Pressure: 1012mbar
  • Visibility: 2km
  • UV index: 0
  • ▼
Sunrise: 05:53
  • 6h
  • 23°C
  • Feels like:
    23°C
Cloudy
Cloudy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 4km/hNW 305°
  • Humidity: 98%
  • Pressure: 1012mbar
  • Visibility: 2km
  • UV index: 0
  • ▼
  • 8h
  • 24°C
  • Feels like:
    27°C
Cloudy
Cloudy
  • Precip. probability: 22%
  • Precipitation: 0mm
  • Wind: 2km/hWNW 302°
  • Humidity: 94%
  • Pressure: 1014mbar
  • Visibility: 7km
  • UV index: 2
  • ▼
  • 10h
  • 27°C
  • Feels like:
    31°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0mm
  • Wind: 5km/hNNW 345°
  • Humidity: 85%
  • Pressure: 1013mbar
  • Visibility: 16km
  • UV index: 5
  • ▼
  • 12h
  • 28°C
  • Feels like:
    33°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0mm
  • Wind: 5km/hNW 320°
  • Humidity: 78%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 9
  • ▼
  • 14h
  • 29°C
  • Feels like:
    35°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 47%
  • Precipitation: 1mm
  • Wind: 7km/hNW 308°
  • Humidity: 75%
  • Pressure: 1010mbar
  • Visibility: 11km
  • UV index: 3
  • ▼
  • 16h
  • 27°C
  • Feels like:
    32°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 57%
  • Precipitation: 1mm
  • Wind: 5km/hNW 308°
  • Humidity: 83%
  • Pressure: 1010mbar
  • Visibility: 8km
  • UV index: 1
  • ▼
Sunset: 17:35
  • 18h
  • 25°C
  • Feels like:
    28°C
Thunderstorms
Thunderstorms
  • Precip. probability: 77%
  • Precipitation: 2mm
  • Wind: 5km/hSE 136°
  • Humidity: 93%
  • Pressure: 1011mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
  • 20h
  • 24°C
  • Feels like:
    27°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 49%
  • Precipitation: 1mm
  • Wind: 4km/hSE 127°
  • Humidity: 100%
  • Pressure: 1013mbar
  • Visibility: 5km
  • UV index: 0
  • ▼
  • 22h
  • 23°C
  • Feels like:
    26°C
Showers
Showers
  • Precip. probability: 48%
  • Precipitation: 1mm
  • Wind: 1km/hSSW 211°
  • Humidity: 99%
  • Pressure: 1013mbar
  • Visibility: 5km
  • UV index: 0
  • ▼
Today, a combination of cloudy, unstable and wet weather is forecasted.
Rain is anticipated from 13h to 23h. The most intense rain will be falling at 15h, 18h and 19h.
The temperature will vary between the highest temperature of 30°C and the lowest temperature of 23°C. The feels-like temperature will be between a minimum of 23°C and a maximum of 35°C. The hottest part of the day is anticipated around 15h.
The forecasted high will be consistent with the typical October maximum of 30.3°C. The temperature low is forecasted to be also close to the usual October value of 20.6°C.
Updated: Oct 20, 2026 @ 06:26:22 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (00:26 CST) is 23°C.

On Tuesday, afternoon storms could include thunder and brief downpours.

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

Today, the maximum temperature will be 30°C, while the minimum temperature will be 22°C. The maximum heat index, which factors the actual air temperature with the relative humidity, is computed to be 39°C.
The maximum temperature will be in line with the average highest temperature of 30.3°C in October. The lowest temperature will be also in line with the average low of 20.6°C.

On Tuesday, in San Francisco, sunrise will be at 05:53 and sunset at 17:35 (CST).

In San Francisco, Guatemala, the length of the day today will be 11h and 41min.