# Weather forecasts in Argentina and Chile

> Live situation record from CLSTR: https://clstr.news/situations/weather-forecasts-in-argentina-and-chile
> Updated: 2026-10-27T09:00:19.000Z. Sources: 31. Developments: 2.

Meteorological reports for late October 2026 indicate varying conditions across several South American locations. In Argentina, San Salvador de Jujuy expects temperatures between 11°C and 21°C with a chance of afternoon showers. In Buenos Aires, skies are forecasted to be overcast and cool, with temperatures ranging from 11°C to 21°C and light rain expected to begin around October 29. In Chile, conditions vary by region. Curicó and Viña del Mar are expected to have clear skies, with highs reaching 24°C to 28°C. Pucón and Temuco are forecasted to be cloudy, while Rancagua anticipates early morning rain before clearing. Updated forecasts for October 27 indicate that San Salvador de Jujuy will maintain temperatures between 11°C and 21°C with a 10% to 40% chance of showers after midday. In Chile, Curicó is expected to reach a high of 28°C under clear skies, while Pucón and Temuco remain cloudy without precipitation. Rancagua continues to anticipate early morning rain before clearing. Additional regional updates show Viña del Mar experiencing mostly clear skies on October 27, with temperatures between 12°C and 24°C and wind gusts up to 40 km/h. In Argentina, Villa Carlos Paz faces unstable weather on October 27 with cloudy skies and a maximum of 18°C, though conditions may improve by October 28. Santiago del Estero is expected to be warm and overcast on October 28 with a high of 28°C, with temperatures potentially reaching 34°C by early November. Recent developments indicate significant meteorological shifts in Argentina due to a moving cold front. The National Meteorological Service has issued yellow alerts for storms in Tucumán, Catamarca, and Mar del Plata, warning of heavy rainfall, electrical activity, strong wind gusts, and occasional hail.

## Claims

- Buenos Aires will see a minimum of 9°C and a maximum of 18°C on Monday, October 26. (single source)
- Mar del Plata is expected to have a maximum temperature of 13°C on Monday. (single source)
- Mendoza could reach a maximum temperature of 31°C by Friday. (single source)
- Rain is forecasted for Malargüe starting Monday afternoon. (single source)
- Mar del Plata expects rain showers starting Wednesday night. (single source)
- Buenos Aires has a 10% probability of precipitation on Tuesday. (single source)

## Timeline

### 2026-10-27: Weather alerts: Storms and flooding impact Argentina, Mexico, and US

Heavy rains and storms are impacting Argentina, Mexico, and the US. Tropical storm Vance threatens western Mexico, while flooding persists in Ciudad Juárez and storm alerts are active in Buenos Aires.

15 sources. https://clstr.news/cluster/weather-forecasts-for-via-del-mar-and-buenos-aires

### 2026-10-26: Argentina weather: storms, hail, and rising temperatures

Argentina faces widespread weather instability, with yellow alerts issued for storms, hail, and heavy rain in several provinces, followed by a projected rise in temperatures across much of the country.

17 sources. https://clstr.news/cluster/weather-forecasts-for-various-south-american-cities

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Cite as: Weather forecasts in Argentina and Chile. CLSTR, https://clstr.news/situations/weather-forecasts-in-argentina-and-chile