
It was reported that the rain will become stronger between 16.00-22.00 and the wind will reach speeds of 40-60 km/h.
AI-generated summary
IMM Disaster Coordination Center (AKOM) published the weather forecast report for Wednesday, November 4 and also shared the weekly weather forecast.
Istanbul Metropolitan Municipality (IMM) Disaster Coordination Center (AKOM) published the weather forecast report for Wednesday, November 4.
According to the report, heavy rains that continue intermittently throughout the day in Istanbul are expected to increase their impact in the evening hours. The storm will also be effective in the city, along with heavy rainfall.
AKOM WARNED BY GIVING AN HOUR
In the report published by AKOM, it was stated that the rains would become stronger, especially between 16.00 and 22.00.
It is estimated that heavy rains will be effective at times during these hours, with wind speeds expected to reach 40-60 kilometers.
While 15 to 35 kilograms of precipitation per square meter is expected to fall throughout the day, the wind is predicted to blow as a storm from the northeastern direction.
TEMPERATURES WILL DROP TO 12 DEGREES
According to AKOM's predictions, the temperature in Istanbul will be 14 degrees in the morning, 16 degrees at noon, 13 degrees in the evening and 12 degrees at night.
While the humidity rate is expected to be between 80-95 percent, the sea water temperature was reported to be 18 degrees.
It is estimated that the rains will ease on Thursday and leave the region as of Friday.
WHAT WILL THE WEATHER BE IN ISTANBUL ON THE WEEKEND?
According to AKOM's weekly weather forecast report, very cloudy and slightly rainy weather is expected in Istanbul on Thursday, November 5. It is estimated that temperatures will vary between 9 and 13 degrees, and 2-5 kilograms of precipitation will fall per square meter.
While no rain is expected on Friday, November 6, partly cloudy weather is expected to be effective. Temperatures are expected to be lowest at 8 degrees and highest at 12 degrees.
On Saturday, November 7, light precipitation may be seen in the morning hours. It is expected that partly cloudy weather will prevail for the rest of the day and temperatures will remain between 8-13 degrees.
No rain is expected on Sunday, November 8. It is estimated that the temperatures will vary between 7 and 15 degrees in the city, where partly and slightly cloudy weather will be effective.
TEMPERATURES WILL INCREASE IN THE NEW WEEK
According to AKOM's report, partly cloudy and slightly cloudy weather will be effective in Istanbul on Monday, November 9. Temperatures will fluctuate between 8-16 degrees.
On Tuesday, November 10, temperatures are expected to be between 10 and 17 degrees with partly cloudy weather.
No rain is predicted for both days.
STORM AND SHOWERS WARNING FROM AKOM
AKOM's statement included the following statements:
"The showers, which are expected to continue intermittently throughout the day, will continue to be strongly effective in places, increasing their effect with the storm (40-60 km/h) in the evening (16.00-22.00), the rains will ease on Thursday and leave our region as of Friday, and the temperatures are expected to remain close to winter values in the range of 12-14°C until the weekend (Sunday)."
AI outlook — possibilities, not facts
The rain will ease on Thursday and leave the region as of Friday.
Very likely · Within days
Weekend temperatures will remain close to winter values, between 12-14 degrees.
Very likely · Within days

On Wednesday, November 4, 2026, many small-scale tremors were recorded in different provinces and seas in Türkiye. The largest earthquake occurred at 07:33 in the morning in the Taşburun-Elbistan region of Kahramanmaraş, with a magnitude of 4.5. More than one tremor was experienced off the coast of Avcılar, Istanbul.

The General Directorate of Meteorology announced that temperatures in Türkiye will drop by 5 to 8 degrees starting from Wednesday, November 4, and that the cold wave will spread throughout the country by the end of the week. The highest temperature will decrease from 19 to 12 in Istanbul and from 19 to 9 in Ankara. Rain mixed with snow is expected in the Eastern Black Sea and the northeast of Eastern Anatolia.

The General Directorate of Meteorology reported that there will be very cloudy and intermittent showers throughout Türkiye. While very strong, heavy rainfall is expected in the north of Hatay and the center-south of Osmaniye, the wind may reach speeds of 50-70 km/h on the Marmara, Aegean and Black Sea coasts. A code yellow warning was issued in 23 provinces.

As the cold wave originating from Siberia enters Türkiye, rainy and windy weather is expected in Istanbul and the Marmara Region. Temperatures will drop by 5-8 degrees, precipitation will be between 30-60 kilograms per square meter.

Air temperatures throughout Türkiye are falling below seasonal norms. Meteorology; It issued an orange and yellow warning for the Eastern Mediterranean and a yellow warning for 19 provinces in the Marmara, Aegean and Black Sea regions, calling for precautions against the risk of floods, floods and frost.

The General Directorate of Meteorology predicted very cloudy weather with thunderstorms throughout the country. Strong and sometimes stormy winds with a speed of 50-70 km/h are expected from the north and northeast directions on the Marmara, Northern Aegean and Western Black Sea coasts. A heavy rain warning with yellow and orange codes was issued in 22 provinces including Hatay, Osmaniye, Adana and Istanbul. The Ministry of Environment warned against the risk of agricultural frost for the inner parts of the country.