What is the highest temperature recorded in Croatia during this heatwave?

According to DHMZ data, on July 31, 2026, at 6 PM, the hottest place was Knin with a recorded 37.8 degrees Celsius.

What is the City of Zagreb offering residents to cool down?

From Friday to Sunday, residents can visit several museums and galleries with air-conditioned spaces, city pools, and 42 libraries open according to summer hours, all for free.

When is the weather change and temperature drop expected?

According to current DHMZ forecasts, a more significant weather change could occur around August 7 or 8, 2026.

Weather

Zagreb Hits 36.7°C, Knin the Hottest: City Opens Museums and Pools for Free

V.M. · Prije 1 dana | 2 min

A heatwave has gripped Croatia, and Zagreb is offering residents air-conditioned spaces and free swimming as a respite from the scorching temperatures.

Summary

Knin recorded 37.8°C and Zagreb 36.7°C, as a new heatwave hit Croatia.
DHMZ warns of health risks, especially for vulnerable groups, with a weather change expected around August 7 or 8.
The City of Zagreb has offered free entry to air-conditioned museums, city pools, and libraries over the weekend to help residents cope with the heat.

Croatia has been hit by a new heatwave, with the most intense days still to come. According to data from the State Hydrometeorological Institute (DHMZ), the highest temperature on Thursday, July 31, 2026, at 6 PM was recorded in Knin, where it reached 37.8 degrees Celsius. Zagreb was not much cooler, hitting 36.7 degrees, reports Index.hr Magazine.

Despite the heat reaching a high of 36 degrees, the city center was not completely deserted in the early evening hours. Zagreb residents did venture out for a stroll in the late afternoon, as captured by Index's photojournalists.

Health Risks and a Hint of Weather Change

DHMZ warns that this heatwave poses a serious health risk, especially for the elderly, young children, and those with chronic illnesses. Citizens are advised to exercise caution and avoid sun exposure during the hottest part of the day. According to current forecast models, a more significant weather change could arrive around August 7 or 8, bringing relief from the heat.

City Offers Free Respite in Museums and Pools

In response to the forecasted heatwave, the City of Zagreb is inviting residents to take advantage of free entry to cultural and sports facilities from Friday to Sunday, reports Press032. The initiative is designed to provide everyone with a break from the heat in air-conditioned spaces, as well as an opportunity to explore attractive museum exhibits and exhibitions.

The Museum of Contemporary Art, the Archaeological Museum, the Ethnographic Museum, the Croatian Natural History Museum, the gallery space "Školica za pet" of the Croatian School Museum, and the MUO Gallery will all open their doors for free. The Zagreb City Museum, which is partially air-conditioned, is also participating in the initiative. In addition to museums, free entry is also ensured for city pools. For those seeking a quieter corner for reading and relaxation, Zagreb's libraries will be open at 42 locations across the city, according to adjusted summer hours.