Uruguay Weather Forecast for Thursday, May 21, 2026: Cold, Cloudy, with Fog and Frost Expected

As reported by the Uruguayan Institute of Meteorology (Inumet), Thursday, May 21, 2026, promises a distinctly chilly day across the nation. Residents can expect temperatures to hover between a low of 1°C and a high of 15°C, signaling the firm grip of late autumn weather.

The forecast paints a picture of predominantly cloudy skies, particularly in the morning, often accompanied by fog and frost, especially in the northwestern and central-south regions. While some areas might see a slight improvement in cloud cover during the afternoon, the overall sentiment is one of persistent coolness and limited sunshine.

Across the country, from the northwest to the east and the metropolitan area of Montevideo, the pattern remains consistent: cool temperatures, morning fog, and the presence of frost. Winds will generally be from the southeast, varying in strength but contributing to the overall crisp, cold air. This weather report from Inumet serves as a crucial guide for Uruguayans planning their day, reminding them to brace for a cold, overcast late May day.