worldweather

Weather in Liège - 14-day forecast

Detailed weather forecast for Liège, Belgium: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Liège
today🌧️ 22°💧 0.2 mm
Sun☁️ 22°💧 0.4 mm
Mon☁️ 28°💧 5.2 mm
Tue🌧️ 18°💧 0.3 mm
Wed🌧️ 19°💧 0.2 mm
Thu☁️ 20°💧 2 mm
Fri🌧️ 17°💧 5.6 mm
Sat☁️ 18°💧 4.6 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 Liège, the forecast high is 28°C. Typical daytime temperatures at this time of year range from 17°C to 23°C, so it will be exceptionally warm. It is warmer than 96% of similar days.

22°Cwarmer than usual
usually 17°C–24°C
warmer than 71% of similar days
night: exceptionally warm rain: typical rainfall wind: typical
22°Cwarmer than usual
usually 17°C–23°C
warmer than 70% of similar days
night: exceptionally warm rain: typical rainfall wind: exceptionally light
28°Cexceptionally warm
usually 17°C–23°C
warmer than 96% of similar days
night: exceptionally warm rain: more rain than usual wind: typical
18°Ccooler than usual
usually 17°C–23°C
cooler than 70% of similar days
night: exceptionally warm rain: typical rainfall wind: typical
19°Cnear normal
usually 17°C–23°C
night: warmer than usual rain: typical rainfall wind: typical
20°Cnear normal
usually 16°C–23°C
night: exceptionally warm rain: typical rainfall wind: typical
17°Ccooler than usual
usually 16°C–23°C
cooler than 76% of similar days
night: warmer than usual rain: more rain than usual wind: typical

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: 16°C1987: 18°C1988: 21°C1989: 22°C1990: 17°C1991: 22°C1992: 18°C1993: 20°C1994: 17°C1995: 19°C1996: 16°C1997: 20°C1998: 20°C1999: 26°C2000: 19°C2001: 14°C2002: 20°C2003: 20°C2004: 24°C2005: 25°C2006: 23°C2007: 17°C2008: 21°C2009: 21°C2010: 19°C2011: 19°C2012: 23°C2013: 21°C2014: 20°C2015: 18°C2016: 23°C2017: 18°C2018: 23°C2019: 19°C2020: 23°C2021: 24°C2022: 24°C2023: 29°C2024: 20°C2025: 21°C 2026 forecast: 21°C current forecast 21°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 21°C - higher than in 62% of historical years.

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 - Liège

No active weather warnings for Liège (region: Liege). The national weather service is not forecasting dangerous conditions.

14-day forecast - Liège

Liège - 14-day weather forecast infographic

Liège 30 & 45-day weather - long-range outlook

Next 16 days · forecast
22°
around 16° at night · days with rain: 8
Weeks 3-4 · avg for September
21°
around 10° at night · rain chance 45%
Weeks 5-7 · avg for October
16°
around 8° at night · rain chance 53%
The 30 & 45-day outlook for Liège: the next 16 days are a numerical forecast updated daily - on average 22° by day and 16° at night. Further out we rely on multi-year climate averages: around 21° in September, and about 16° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Liège

Saturday5 September 2026
🌧️22°light rain
sunrise 06:57 · sunset 20:15 · night 15° · evening 22° · rain 0.18 mm · humidity 52% · wind 6 m/s · clouds 71%
Sunday6 September 2026
☁️22°overcast clouds
sunrise 06:59 · sunset 20:13 · night 17° · evening 24° · rain 0.39 mm · humidity 43% · wind 2 m/s · clouds 98%
Monday7 September 2026
☁️28°overcast clouds
sunrise 07:00 · sunset 20:11 · night 18° · evening 26° · rain 5.16 mm · humidity 42% · wind 6 m/s · clouds 97%
Tuesday8 September 2026
🌧️18°light rain
sunrise 07:02 · sunset 20:08 · night 15° · evening 18° · rain 0.29 mm · humidity 56% · wind 5 m/s · clouds 100%
Wednesday9 September 2026
🌧️19°light rain
sunrise 07:03 · sunset 20:06 · night 14° · evening 17° · rain 0.15 mm · humidity 48% · wind 7 m/s · clouds 34%
Thursday10 September 2026
☁️20°broken clouds
sunrise 07:05 · sunset 20:04 · night 18° · evening 18° · rain 1.98 mm · humidity 51% · wind 5 m/s · clouds 82%
Friday11 September 2026
🌧️17°light rain
sunrise 07:06 · sunset 20:02 · night 13° · evening 16° · rain 5.61 mm · humidity 92% · wind 6 m/s · clouds 99%
Saturday12 September 2026
☁️18°broken clouds
sunrise 07:08 · sunset 19:59 · night 12° · evening 14° · rain 4.62 mm · humidity 51% · wind 5 m/s · clouds 68%
Sunday13 September 2026
☁️20°broken clouds
sunrise 07:09 · sunset 19:57 · night 12° · evening 15° · rain 0.93 mm · humidity 46% · wind 3 m/s · clouds 63%
Monday14 September 2026
🌤️22°a few clouds
sunrise 07:11 · sunset 19:55 · night 13° · evening 16° · rain 3.54 mm · humidity 40% · wind 4 m/s · clouds 21%
Tuesday15 September 2026
🌧️23°light rain
sunrise 07:12 · sunset 19:53 · night 18° · evening 20° · rain 1.41 mm · humidity 52% · wind 4 m/s · clouds 65%
Wednesday16 September 2026
🌧️18°light rain
sunrise 07:14 · sunset 19:50 · night 17° · evening 19° · rain 3.36 mm · humidity 76% · wind 7 m/s · clouds 96%
Thursday17 September 2026
🌧️22°light rain
sunrise 07:16 · sunset 19:48 · night 17° · evening 18° · rain 0.27 mm · humidity 53% · wind 6 m/s · clouds 89%
Friday18 September 2026
☀️26°clear sky
sunrise 07:17 · sunset 19:46 · night 18° · evening 21° · rain 12.9 mm · humidity 48% · wind 5 m/s · clouds 5%
Saturday19 September 2026
☀️30°clear sky
sunrise 07:19 · sunset 19:44 · night 22° · evening 24° · humidity 33% · wind 6 m/s · clouds 7%
Sunday20 September 2026
☀️22°clear sky
sunrise 07:20 · sunset 19:41 · night 22° · evening 22° · humidity 30% · wind 4 m/s · clouds 1%

UV index in Liège - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTLiège03681111+5.3UV MODERATEtoday, daily maxSeek shade around midday. SPF 30+, sunglasses and ahat for longer stays.Unprotected fair skin may burn in about 40 min5Sat5.095Sun6.095Mon7.095Tue8.095Wed9.094Thu10.094Fri11.093Sat12.093Sun13.095Mon14.095Tue15.093Wed16.093Thu17.094Fri18.091Sat19.094Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Liège is 5 (moderate) - unprotected fair skin can burn in about 40 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

Pollen in Liège - info for allergy sufferers

PLANT POLLEN · 4-DAY FORECASTLiègeHighest pollen today: Grasses1 grains/m³ · low leveltoday5.09tomorrow6.09Mon7.09Tue8.09Grasses111-Ragweed--1-nonelowmoderatehighvery highoff season: alder, birch, mugwort, olive · values in grains/m³ (daily peak)pogodapodroze.pl · 2026-09-05
Today grasses pollen is highest in Liège - about 1 grains/m³, low level. Most allergy sufferers should not feel strong symptoms. Pollen levels are a CAMS model forecast and are indicative.

Liège weather through the year

Liège - annual climate

Warmest, driest months on average: May, June, July, August.

Upcoming public holidays in Belgium: All Saints' Day — 1 November · Armistice Day — 11 November · Christmas Day — 25 December.

Nearby and related places

VerviersMaastrichtSpaNamurMouscronLa LouvièreHeist-op-den-BergBrussels

FAQ - Liège weather

What is the weather like in Liège today?
Today it is about 22° during the day and 15° at night, light rain.
How far ahead can I check the forecast for Liège?
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.