See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
22°
Partly Cloudy
Feels Like: 23°
Min: 13°
Max: 22°
The next few hours will be foggy, with today reaching 22°C and dropping to 10°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:30
Sunrise
18:51
Sunset
Moon
Waxing Crescent
11:38
Moonrise
20:09
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
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Weather in Ostrava today, September 15, 2026
Ostrava could see fog on September 15, 2026, so early travel may need extra care. Visibility is the main watchpoint while the air stays still.
Temperatures climb from an overnight low near 13°C toward a daytime high of about 22°C. The air stays humid, with relative humidity between 50% and 84% and the peak around 23:00. Airflow remains manageable, reaching about 1.9 km/h around 15:00.
Through the afternoon skies look more workable, with cloud near 51% around 15:00. Later outdoor plans have a clearer window than the morning may have suggested. Visibility holds near 37.5 km, though it can fall to 30.1 km. Expect sunrise at 06:30, sunset at 18:51, and 12 hours 21 minutes of sunlight today overall.
In short, fog or mist is the watchpoint in Ostrava on September 15, 2026; leave extra time for travel around a high of 22°C.
Frequently asked questions about weather in Ostrava
How warm does it get in Ostrava?
The warmest month in Ostrava is August, with average high temperatures of 25°C. The average temperature during this period is around 19°C.
How cold does it get in Ostrava?
The coldest month in Ostrava is January, with average low temperatures of -2°C. The average temperature during this period is around 0°C.
What is the wettest time of year in Ostrava?
The wettest month in Ostrava is August, with an average of 118mm of precipitation.
What is the driest time of year in Ostrava?
The driest month in Ostrava is March, with an average of 48mm of precipitation.
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