25.10.2026 09:41
Istanbul Metropolitan Municipality Disaster Coordination Center (AKOM) announced that heavy downpours are expected in the city on Tuesday, October 27. In Istanbul, where 10-20 kilograms of precipitation per square meter is expected, temperatures are forecast to fall below 20 degrees. According to meteorological forecasts, thunderstorms and heavy rain are expected in 40 provinces, including Istanbul, on Tuesday. Starting Wednesday, precipitation is expected to spread across the country.
Citizens who spent the weekend sunny in Istanbul are facing rainy weather in the new week. According to AKOM’s weekly report, rainfall will begin on Tuesday, and temperatures will drop along with a northerly wind.
“THE MOST NOTABLE DAY OF THE WEEK IS TUESDAY, OCTOBER 27”
According to AKOM’s report dated October 25, no rainfall is expected in the city today. Temperatures are expected to be 15°C in the morning, 20°C around noon, 18°C in the evening, and 14°C at night. While humidity will range between 50 and 90 percent, a light wind from the northeast will blow, occasionally at moderate strength. On Monday, partly and very cloudy weather is expected to prevail, with temperatures ranging between 14 and 21°C.
The report included the statement, “The most notable day of the week will be Tuesday, October 27.” While heavy showers are expected across Istanbul on Tuesday, temperatures are forecast to be between 14 and 16°C, with 10-20 kilograms of rainfall per square meter.
RAINFALL WILL CONTINUE UNTIL THURSDAY
According to AKOM’s report, showers will continue to be effective on Wednesday as well. The report said, “Temperatures are expected to range between 13 and 15°C, with 3-5 kilograms of rainfall per square meter.” On Thursday, very cloudy and lightly rainy weather is expected to prevail, with temperatures between 13 and 18°C and 1-5 kilograms of rainfall per square meter. No rainfall is expected in the city on Friday and Saturday.
SHOWERS ARE EXPECTED IN 40 PROVINCES ON TUESDAY
According to reports based on meteorological forecasts, thunderstorms are expected in 40 provinces on Tuesday. The provinces where rainfall is expected were listed as Istanbul, Edirne, Kırklareli, Tekirdağ, Kocaeli, Bursa, Balıkesir, Çanakkale, Izmir, Manisa, Aydın, Muğla, Denizli, Afyonkarahisar, Kütahya, Uşak, Eskişehir, Ankara, Çankırı, Bolu, Düzce, Zonguldak, Kastamonu, Sinop, Amasya, Çorum, Kırşehir, Nevşehir, Aksaray, Niğde, Kayseri, Konya, Isparta, Burdur, Antalya, Mersin, Adana, Osmaniye, Kahramanmaraş and Hatay.
According to the 5-day forecast of the General Directorate of Meteorology (MGM), thunderstorms are expected on Tuesday in some parts of Marmara and at various points in the Aegean, Mediterranean, Central Anatolia, and Eastern Anatolia. It is estimated that on Wednesday the showers will spread over a wide area, especially in inland and eastern parts, and that rainfall will continue on Thursday in inland, southern, and eastern regions.
THERE IS NO CURRENT WARNING FROM MGM
In the assessment published by MGM today, it was stated that there is no current meteorological warning. This afternoon, showers are expected in the east of Eastern Anatolia, around Bingöl and Mardin, and on the coasts of Muğla and Aydın. In Marmara, the Inner Aegean, the Lakes Region, and the Western and Central Black Sea, haze and fog are forecast during the morning and night hours. The wind is generally expected to blow lightly from northerly directions, and no storm is expected at sea.
MGM last issued a yellow-code warning on October 23 for Edirne, Kırklareli, and Tekirdağ due to heavy showers, warning citizens against sudden floods, flooding, lightning, and possible disruptions in transportation.
“THE SITUATION IS A BIT CRITICAL NEXT WEEK”
Meteorology expert Prof. Dr. Orhan Şen also stated that heavy rainfall will begin on Monday night and said that attention should be paid to Tuesday and Wednesday in Istanbul. Noting that temperatures will fall 2-3 degrees below the seasonal average, Şen said, “The situation is a bit critical next week. It could cause flooding in the Marmara Region. There may be dangerous rainfall.”