worldweather

Weather in Luxembourg - today, tomorrow and 14-day forecast

Below: today's conditions city by city, a live weather map, the 14-day outlook and month-by-month climate to help you pick the best time to travel.

single country point. About & methodology.

Next days in Luxembourg

today🌧️ 21°💧 0.2 mm
Sun☁️ 22°💧 4.4 mm
Mon🌧️ 25°💧 0.3 mm
Tue🌧️ 19°💧 0.3 mm
Wed🌧️ 18°💧 0.1 mm
Thu☁️ 18°💧 0.5 mm
Fri🌧️ 17°💧 0.8 mm
Sat🌧️ 19°💧 0.2 mm
Forecast vs 1991-2020 climate normal

How does the current forecast compare with normal?

We compare the coming days with weather usually observed at this time of year.

NASA POWER

Monday 7 Sept in Luxembourg, the forecast high is 25°C. Typical daytime temperatures at this time of year range from 16°C to 23°C, so it will be warmer than usual. It is warmer than 86% of similar days.

21°Cnear normal
usually 17°C–24°C
night: exceptionally warm rain: typical rainfall wind: typical
22°Cwarmer than usual
usually 17°C–24°C
warmer than 73% of similar days
night: exceptionally warm rain: more rain than usual wind: exceptionally light
25°Cwarmer than usual
usually 16°C–23°C
warmer than 86% of similar days
night: exceptionally warm rain: typical rainfall wind: typical
19°Cnear normal
usually 16°C–23°C
night: near normal rain: typical rainfall wind: lighter than usual
18°Cnear normal
usually 16°C–23°C
night: near normal rain: typical rainfall wind: stronger than usual
18°Cnear normal
usually 16°C–23°C
night: exceptionally warm rain: typical rainfall wind: typical
17°Cnear normal
usually 16°C–23°C
night: exceptionally warm rain: typical rainfall wind: stronger than usual

How warm was this week in previous years?

Each bar shows the average daily high during the same 7-day period in each year.

swipe to see more years →
10°23°35° 1981: 21°C1982: 22°C1983: 17°C1984: 13°C1985: 17°C1986: 17°C1987: 18°C1988: 21°C1989: 22°C1990: 16°C1991: 23°C1992: 18°C1993: 19°C1994: 17°C1995: 18°C1996: 17°C1997: 20°C1998: 19°C1999: 26°C2000: 20°C2001: 14°C2002: 20°C2003: 20°C2004: 24°C2005: 25°C2006: 23°C2007: 17°C2008: 20°C2009: 21°C2010: 18°C2011: 19°C2012: 23°C2013: 20°C2014: 21°C2015: 17°C2016: 23°C2017: 18°C2018: 23°C2019: 18°C2020: 23°C2021: 23°C2022: 23°C2023: 29°C2024: 20°C2025: 21°C 2026 forecast: 20°C current forecast 20°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 20°C by day. The coolest year was 1984 (13°C) and the warmest was 2023 (29°C). The current forecast averages 20°C - close to the historical median.

Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.

Weather warnings - Luxembourg

No active weather warnings for Luxembourg. The national weather service is not forecasting dangerous conditions.

14-day forecast - Luxembourg

Luxembourg - 14-day weather forecast infographic

Day-by-day forecast for Luxembourg

Saturday5 September 2026
🌧️21°light rain
night 14° · evening 21° · rain 0.16 mm · humidity 40% · wind 6 m/s · clouds 70%
Sunday6 September 2026
☁️22°overcast clouds
night 17° · evening 23° · rain 4.38 mm · humidity 43% · wind 3 m/s · clouds 98%
Monday7 September 2026
🌧️25°light rain
night 17° · evening 25° · rain 0.25 mm · humidity 50% · wind 6 m/s · clouds 97%
Tuesday8 September 2026
🌧️19°light rain
night 11° · evening 13° · rain 0.28 mm · humidity 43% · wind 4 m/s · clouds 100%
Wednesday9 September 2026
🌧️18°light rain
night 10° · evening 15° · rain 0.12 mm · humidity 45% · wind 7 m/s · clouds 26%
Thursday10 September 2026
☁️18°overcast clouds
night 16° · evening 16° · rain 0.48 mm · humidity 49% · wind 5 m/s · clouds 89%
Friday11 September 2026
🌧️17°light rain
night 13° · evening 15° · rain 0.75 mm · humidity 75% · wind 8 m/s · clouds 100%
Saturday12 September 2026
🌧️19°light rain
night 12° · evening 15° · rain 0.15 mm · humidity 43% · wind 5 m/s · clouds 44%
Sunday13 September 2026
☀️20°clear sky
night 10° · evening 14° · rain 0.21 mm · humidity 42% · wind 3 m/s · clouds 5%
Monday14 September 2026
☀️21°clear sky
night 11° · evening 15° · rain 0.15 mm · humidity 28% · wind 4 m/s · clouds 4%
Tuesday15 September 2026
🌧️24°moderate rain
night 15° · evening 18° · rain 12.36 mm · humidity 54% · wind 7 m/s · clouds 91%
Wednesday16 September 2026
🌧️16°light rain
night 15° · evening 17° · rain 2.34 mm · humidity 78% · wind 7 m/s · clouds 95%
Thursday17 September 2026
☁️21°broken clouds
night 15° · evening 17° · rain 2.61 mm · humidity 52% · wind 5 m/s · clouds 76%
Friday18 September 2026
🌤️24°a few clouds
night 17° · evening 19° · rain 12.4 mm · humidity 45% · wind 4 m/s · clouds 13%
Saturday19 September 2026
🌤️27°a few clouds
night 20° · evening 24° · humidity 38% · wind 4 m/s · clouds 17%
Sunday20 September 2026
☁️28°broken clouds
night 23° · evening 23° · humidity 41% · wind 3 m/s · clouds 84%

Pollen in Luxembourg - info for allergy sufferers

PLANT POLLEN · 4-DAY FORECASTLuxembourgtoday5.09tomorrow6.09Mon7.09Tue8.09Mugwort-12-Ragweed--2-nonelowmoderatehighvery highoff season: alder, birch, grasses, olive · values in grains/m³ (daily peak)pogodapodroze.pl · 2026-09-05

Weather in other countries in Europe

North MacedoniaLithuaniaMaltaLiechtensteinMoldovaLatvia

Public holidays in Luxembourg - when are the long weekends?

Next long weekend in Luxembourg: Christmas Day (25 December, Friday) - Friday–Sunday (3 days off).

2026

1 NovemberSunday
All Saints' Day
falls on a weekend
25 DecemberFriday
Christmas Day
long weekend
26 DecemberSaturday
St. Stephen's Day
falls on a weekend

2027

1 JanuaryFriday
New Year's Day
long weekend
29 MarchMonday
Easter Monday
long weekend
1 MaySaturday
Labour Day
falls on a weekend
6 MayThursday
Ascension Day
long weekend + bridge day
9 MaySunday
Europe Day
falls on a weekend
17 MayMonday
Whit Monday
long weekend
23 JuneWednesday
Sovereign's birthday
15 AugustSunday
Assumption Day
falls on a weekend
1 NovemberMonday
All Saints' Day
long weekend
Public holidays (statutory days off) - shops, offices and some attractions may be closed. A "bridge day" is a workday between a holiday and the weekend worth taking as leave. Lunar holiday dates marked as tentative may shift by one day after the official announcement.
Calendar sources
Nager.Date public holiday database

FAQ - Luxembourg weather

What is the weather like in Luxembourg today?
Today it is about 21° during the day and 14° at night, light rain.
How far ahead can I check the forecast for Luxembourg?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.