Mersch

Wormeldange, Mersch, Luxembourg

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Current Weather

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

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Hourly Forecast

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Today
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Daylight Hours

07:35

Sunrise

19:17

Sunset

11 hours 42 minutes of sunlight today

Moon

Waxing Gibbous

18:49

Moonrise

05:48

Moonset

Daily Forecast

Today

7°
23°

Saturday

9°
25°

Sunday

9°
26°

Monday

14°
28°

Tuesday

16°
28°

Wednesday

16°
28°

Thursday

16°
21°

Friday

11°
17°

Saturday

6°
18°

Sunday

8°
20°

Air Quality Data Available

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UV Index

No protection needed
1 Low
Low Extreme

Humidity

57% Comfortable
Low High

Current stargazing conditions?

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Weather 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.

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Metric (°C, km/h)