Weather forecast for todaySan Juan, Argentina

Weather forecast for today

Current condition 03:41 -03

  • 17°C
  • Feels like:
    17°C
Fair
Fair
  • Precipitation: 0mm
  • Wind: 10km/hN 0°
  • Humidity: 48%
  • Dewpoint: 6°C
  • Pressure: 1017.95mbar
  • Visibility: 9.66km
  • UV index: 0
  • ▼
At the moment, in San Juan, a steady high-pressure system keeps the weather fair and dry.
The temperature is a breezy 17°C. The current temperature is near the lowest predicted 16°C for today.

Thursday 29. Oct 2026

  • 31°C
  • 16°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0mm
  • Wind: 12km/hSSE 161°
  • Humidity: 34%
  • UV index: 9
  • Sunrise: 06:39 -03
  • Sunset: 19:56 -03
  • ▼
Today, on Thursday, 29th of October, moments of sunshine will break through the patchy clouds.
The peak daytime temperature will touch a blazing 31°C, while the nighttime temperature will descend to a comfortable 16°C.
It will be hotter, as the maximum temperature reflects November's norm of 27.6°C instead of October's.
Sunrise will be at 06:39 and sunset at 19:56; the daylight will last for 13h and 17min.

Hourly overview

Hourly temperatures

Warmest hour: 16h 30°C.
Coldest hour: 6h 16°C.

Chance of precipitation

Highest chance: 18h 13%.

Hourly weather forecast

  • 4h
  • 17°C
  • Feels like:
    17°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 9km/hSSW 204°
  • Humidity: 48%
  • Pressure: 1016mbar
  • Visibility: 13km
  • UV index: 0
  • ▼
  • 6h
  • 16°C
  • Feels like:
    16°C
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 7km/hSSW 193°
  • Humidity: 52%
  • Pressure: 1016mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
Sunrise: 06:39
  • 8h
  • 19°C
  • Feels like:
    19°C
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 5km/hS 191°
  • Humidity: 44%
  • Pressure: 1017mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 10h
  • 23°C
  • Feels like:
    23°C
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 10km/hSSE 154°
  • Humidity: 34%
  • Pressure: 1016mbar
  • Visibility: 16km
  • UV index: 4
  • ▼
  • 12h
  • 27°C
  • Feels like:
    27°C
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 9km/hSE 128°
  • Humidity: 26%
  • Pressure: 1014mbar
  • Visibility: 16km
  • UV index: 8
  • ▼
  • 14h
  • 29°C
  • Feels like:
    29°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 10km/hE 87°
  • Humidity: 21%
  • Pressure: 1012mbar
  • Visibility: 16km
  • UV index: 9
  • ▼
  • 16h
  • 30°C
  • Feels like:
    30°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 11km/hSE 130°
  • Humidity: 18%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 5
  • ▼
  • 18h
  • 29°C
  • Feels like:
    29°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 11km/hSW 224°
  • Humidity: 20%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
Sunset: 19:56
  • 20h
  • 26°C
  • Feels like:
    26°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 10km/hSW 235°
  • Humidity: 25%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 23°C
  • Feels like:
    23°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 9km/hWSW 255°
  • Humidity: 32%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Today, a combination of cloudy and mostly clear weather is forecasted.
The temperature will vary between the highest temperature of 30°C and the lowest temperature of 16°C. The hottest part of the day will be from 15h to 17h.
The maximum is expected to resemble November's average high of 27.6°C rather than October's. The expected low will be also more similar to what’s common in November than the current October average of 11.7°C.
Updated: Oct 29, 2026 @ 06:41:39 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 03:41 -03, the temperature is 17°C.

Today, clouds and sunshine will alternate throughout the day.

Today, the highest temperature will be 31°C, while the lowest temperature will be 16°C.
The maximum temperature will be notably higher than the average highest temperature of 23.8°C in October. The lowest temperature will be a few degrees higher than the average low of 11.7°C.

On Thursday, in San Juan, sunrise will be at 06:39 and sunset at 19:56 (-03).

In San Juan, the length of the day today will be 13h and 17min.