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28°
Mostly Cloudy
Feels Like: 28°
Min: 17°
Max: 29°
The next few hours will be mostly cloudy, with today reaching 29°C and dropping to 20°C. The coming days will be partly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:10
Sunrise
19:31
Sunset
Moon
Waxing Crescent
12:17
Moonrise
20:50
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
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Weather in Mannheim today, September 15, 2026
Mannheim stays under cloudy skies on September 15, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open.
The day peaks near 29°C and cools toward 17°C. Expect humidity between 38% and 63%, most humid near 23:00. Winds stay light, near 1.6 km/h by 19:00, so the day feels still more than breezy.
Expect persistent cloud later on, with amounts around 100% by 18:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 42.3 km on average, though it can drop toward 39.8 km in thicker cloud or showers. Expect sunrise at 07:10, sunset at 19:31, and 12 hours 20 minutes of sunlight today overall.
Overall, Mannheim on September 15, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 29°C.
Frequently asked questions about weather in Mannheim
How warm does it get in Mannheim?
The warmest month in Mannheim is August, with average high temperatures of 26°C. The average temperature during this period is around 21°C.
How cold does it get in Mannheim?
The coldest month in Mannheim 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 Mannheim?
The wettest month in Mannheim is May, with an average of 75mm of precipitation.
What is the driest time of year in Mannheim?
The driest month in Mannheim is April, with an average of 49mm of precipitation.
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