See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:07
Sunrise
19:05
Sunset
Moon
Waxing Gibbous
17:42
Moonrise
01:20
Moonset
Daily Forecast
Today
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Air Quality Data Available
Upgrade to access real-time air quality data for Wismar.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Wismar.
View stargazing scoreWeather in Wismar today, September 21, 2026
Expect a mostly clear day in Wismar on September 21, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. Early hours look the most unsettled, with rain probability near 58% by 10:00. The thickest cloud arrives around 10:00, reaching about 68%.
The temperature range runs from about 12°C up to 16°C. The air stays humid, with relative humidity between 57% and 82% and the peak around 23:00. A lighter breeze peaks around 16:00 near 8.0 km/h.
Later hours look less wet than the morning, when rain odds were closer to 58%; afternoon chances sit nearer 0%. Residual cloud near 100% around 13:00 may linger. Horizontal visibility sits around 37.4 km, briefly nearer 31.1 km. Daylight runs from 07:07 to 19:05, lasting 11 hours 57 minutes of sunlight today.
Taken together, Wismar looks wet enough on September 21, 2026 that flexible outdoor plans work best, with temperatures peaking near 16°C.
Frequently asked questions about weather in Wismar
How warm does it get in Wismar?
The warmest month in Wismar is August, with average high temperatures of 23°C. The average temperature during this period is around 19°C.
How cold does it get in Wismar?
The coldest month in Wismar is January, with average low temperatures of 1°C. The average temperature during this period is around 3°C.
What is the wettest time of year in Wismar?
The wettest month in Wismar is July, with an average of 78mm of precipitation.
What is the driest time of year in Wismar?
The driest month in Wismar is March, with an average of 45mm of precipitation.
Explore more weather forecasts
- Grevesmühlen, Mecklenburg-Western Pomerania
- Berlin, Land Berlin
- Schwerin, Mecklenburg-Western Pomerania
- Hamburg, Free and Hanseatic City of Hamburg
- Bad Doberan, Mecklenburg-Western Pomerania
- Munich, Bavaria
- Güstrow, Mecklenburg-Western Pomerania
- Köln, Nordrhein-Westfalen
- Rostock, Mecklenburg-Western Pomerania
- Frankfurt am Main, Hessen
- Hagenow, Mecklenburg-Western Pomerania
- Stuttgart, Baden-Württemberg
- Parchim, Mecklenburg-Western Pomerania
- Düsseldorf, Nordrhein-Westfalen
- Ludwigslust, Mecklenburg-Western Pomerania
- Essen, Nordrhein-Westfalen