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15°
Mostly Clear
Feels Like: 14°
Min: 7°
Max: 23°
The next few hours will be mostly clear, with today reaching 23°C and dropping to 10°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
07:35
Sunrise
19:17
Sunset
Moon
Waxing Gibbous
18:49
Moonrise
05:48
Moonset
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View stargazing scoreWeather in Mersch today, September 25, 2026
Mersch is set for a fine, sunny day on September 25, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. Morning skies stay relatively clear, holding cloud close to 17% near 10:00. The early part of the day favours being outside.
The day peaks near 23°C and cools toward 7°C. Moisture in the air spans 28%-58%, with the highest values around 10:00. Winds stay light, near 2.1 km/h by 12:00, so the day feels still more than breezy.
Afternoon skies stay clogged, peaking close to 68% near 17:00. The grey theme continues rather than clearing out. Visibility holds near 44.3 km, though it can fall to 39.9 km. The sun rises at 07:35 and sets at 19:17, for a total of 11 hours 42 minutes of sunlight today.
In short, September 25, 2026 looks like a fine day in Mersch for being outside, peaking around 23°C.
Frequently asked questions about weather in Mersch
How warm does it get in Mersch?
The warmest month in Mersch is August, with average high temperatures of 23°C. The average temperature during this period is around 18°C.
How cold does it get in Mersch?
The coldest month in Mersch is January, with average low temperatures of 0°C. The average temperature during this period is around 2°C.
What is the wettest time of year in Mersch?
The wettest month in Mersch is January, with an average of 94mm of precipitation.
What is the driest time of year in Mersch?
The driest month in Mersch is April, with an average of 59mm of precipitation.