Uruguay Weather Forecast: Cold Sunday with Frost and Fog Expected

Uruguay is set for a cold Sunday, August 9, 2026, with the Uruguayan Institute of Meteorology (Inumet) forecasting national temperatures to range from a low of 1°C to a high of 16°C. The day will be characterized by clear to partly cloudy skies, with morning frost and fog anticipated across various regions.

In the northwest, the morning will bring clear to partly cloudy skies, agricultural frost, and fog, accompanied by south winds of 10 to 30 km/h. The afternoon and evening will see continued clear to partly cloudy conditions with winds shifting to the south-southeast at 20 to 30 km/h and gusts up to 40 km/h. Temperatures will range from 2°C to 16°C.

The northeast region can expect a similar morning pattern of clear to partly cloudy skies, frost, and fog, with winds from the southwest and south at 10 to 30 km/h. The afternoon and night will maintain clear to partly cloudy skies with the same wind conditions. Temperatures are forecast between 2°C and 15°C.

Across the country, including the southwest, center-south, and east, similar conditions of clear to partly cloudy skies, morning frost, and fog are predicted. Coastal areas may experience stronger wind gusts. Montevideo and its metropolitan area will see temperatures between 6°C and 11°C, with winds from the west shifting to the southwest.