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Hourly Forecast
Daylight Hours
06:52
Sunrise
18:53
Sunset
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Waxing Gibbous
15:53
Moonrise
00:54
Moonset
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View stargazing scoreWeather in İzmit tomorrow, September 21, 2026
İzmit looks damp on September 21, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. The first half of the day looks overcast, as cloud amounts reach about 66% around 00:00. Brighter weather, if it comes, waits until later.
The temperature range runs from about 14°C up to 25°C. Relative humidity sits between 59% and 100%, reaching its peak around 06:00. Airflow remains manageable, reaching about 2.0 km/h around 18:00.
Later hours favour clearer intervals, as cloud stays near 40% around 12:00. The afternoon is the better half for outdoor time. Views remain open at about 16.1 km. Daylight runs from 06:53 to 18:51, lasting 11 hours 58 minutes of sunlight today.
The practical takeaway for İzmit on September 21, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 25°C.
Frequently asked questions about weather in İzmit
How warm does it get in İzmit?
The warmest month in İzmit is August, with average high temperatures of 28°C. The average temperature during this period is around 23°C.
How cold does it get in İzmit?
The coldest month in İzmit is January, with average low temperatures of 1°C. The average temperature during this period is around 4°C.
What is the wettest time of year in İzmit?
The wettest month in İzmit is December, with an average of 120mm of precipitation.
What is the driest time of year in İzmit?
The driest month in İzmit is August, with an average of 35mm of precipitation.