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
06:45
Sunrise
18:44
Sunset
Moon
Waxing Gibbous
12:57
Moonrise
03:07
Moonset
Daily Forecast
Today
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Air Quality Data Available
Upgrade to access real-time air quality data for Mercedes.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Mercedes.
View stargazing scoreWeather in Mercedes today, September 20, 2026
Mercedes looks damp on September 20, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly.
Temperatures climb from an overnight low near 14°C toward a daytime high of about 25°C. Moisture in the air spans 62%-100%, with the highest values around 23:00. A lighter breeze peaks around 15:00 near 3.4 km/h.
The second half of the day still looks unsettled, with rain probability around 90% by 19:00. Dense cloud near 96% at 15:00 keeps the feel grey. Expect visibility near 14.9 km, with poorer spells close to 5.0 km. The sun rises at 06:45 and sets at 18:44, for a total of 11 hours 58 minutes of sunlight today.
Taken together, Mercedes looks wet enough on September 20, 2026 that flexible outdoor plans work best, with temperatures peaking near 25°C.
Frequently asked questions about weather in Mercedes
How warm does it get in Mercedes?
The warmest month in Mercedes is January, with average high temperatures of 31°C. The average temperature during this period is around 25°C.
How cold does it get in Mercedes?
The coldest month in Mercedes is July, with average low temperatures of 7°C. The average temperature during this period is around 11°C.
What is the wettest time of year in Mercedes?
The wettest month in Mercedes is March, with an average of 131mm of precipitation.
What is the driest time of year in Mercedes?
The driest month in Mercedes is June, with an average of 48mm of precipitation.