Grund

Ville de Luxembourg, Luxembourg, Luxembourg

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Current Weather

9°

Mostly Clear

Feels Like: 7°

Min: 8°

Max: 23°

The next few hours will be mostly clear, with today reaching 23°C and dropping to 12°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

07:34

Sunrise

19:17

Sunset

11 hours 42 minutes of sunlight today

Moon

Waxing Gibbous

18:49

Moonrise

05:48

Moonset

Daily Forecast

Today

8°
23°

Saturday

11°
25°

Sunday

10°
25°

Monday

17°
29°

Tuesday

17°
29°

Wednesday

14°
28°

Thursday

16°
20°

Friday

11°
17°

Saturday

7°
18°

Sunday

8°
20°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

71% Humid
Low High

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Weather in Grund today, September 25, 2026

Grund 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. Expect a grey start, with morning cloud around 95% by 11:00. Outdoor plans early on should not rely on bright skies.

Expect highs of 23°C and cooler readings close to 8°C. Relative humidity sits between 28% and 73%, reaching its peak around 08:00. Expect gentle winds, highest near 12:00 at 1.8 km/h.

Expect a more open afternoon, with limited cloud around 30% by 12:00. Residual damp risk should be lower than earlier. Expect visibility near 43.5 km, with poorer spells close to 39.0 km. Expect sunrise at 07:34, sunset at 19:17, and 11 hours 42 minutes of sunlight today overall.

Overall, Grund on September 25, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 23°C.

Frequently asked questions about weather in Grund

How warm does it get in Grund?

The warmest month in Grund is August, with average high temperatures of 24°C. The average temperature during this period is around 19°C.

How cold does it get in Grund?

The coldest month in Grund is January, with average low temperatures of 0°C. The average temperature during this period is around 3°C.

What is the wettest time of year in Grund?

The wettest month in Grund is January, with an average of 91mm of precipitation.

What is the driest time of year in Grund?

The driest month in Grund is August, with an average of 55mm of precipitation.

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Metric (°C, km/h)