Today
Sun, Jun 21
Light drizzle
36°21°
- Rain chance
- 73%
- Precip
- 0.1 mm
- Max wind
- 21 km/h
Merzig air quality
Saarland, Germany · Berlin time · 49.44°, 6.64°
Extreme heat Tuesday: feels-like temperatures up to 40 °C.
Extreme heat Tuesday: feels-like temperatures up to 40 °C.
Derived advisory — not an official warning
Current conditions · 3:00 PM local
Current conditions in Merzig
36°C
Clear sky
Feels like 40°C
- Humidity
- 30%
- Wind
- 4 km/h WNW
- Gusts
- 19 km/h
- UV index
- 6.75
- Visibility
- 40.9 km
Air quality
44
Good
US AQI · European AQI 51
Air quality in Merzig is currently good, with a US AQI of 44 (European AQI 51). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 8.6 µg/m³. Pollen in the air today: grass (moderate) — allergy sufferers take note.
Pollutants
- PM2.5
- 8.6 µg/m³
- PM10
- 12.4 µg/m³
- Ozone (O₃)
- 116 µg/m³
- NO₂
- 1.1 µg/m³
- SO₂
- 1.4 µg/m³
- CO
- 176 µg/m³
- Dust
- 5 µg/m³
Pollen
- Grass
- 21.4 gr/m³
- Birch
- 0 gr/m³
- Alder
- 0 gr/m³
- Olive
- 0.2 gr/m³
- Mugwort
- 0.3 gr/m³
- Ragweed
- 0 gr/m³
AQI computed from the CAMS air quality model via Open-Meteo. Bands follow the US EPA scale.
Right now
Right now in Merzig, it's clear sky with the temperature at 36 °C. It feels warmer than it reads, more like 39 °C. Wind is from the WNW at 4 km/h. Humidity stands at 30% with sea-level pressure near 1023 hPa.
At a glance
Today
36° / 21°Light drizzle · rain likely (73%)
Tomorrow
35° / 21°Overcast
Upcoming · to Saturday
38° / 21°A steady stretch: highs near 38°, lows around 21°, and no day above a 39% rain chance through Saturday.
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Next 3 days
Expect light drizzle today, between 21 °C and 36 °C. Rain chance peaks at 73% with around 0.1 mm possible. Gusts may reach 46 km/h from the N. Tomorrow looks like overcast; temperatures run from 21 °C up to 35 °C. Expect overcast Tuesday, between 24 °C and 38 °C.
Tomorrow
Mon, Jun 22
Overcast
35°21°
- Rain chance
- 10%
- Precip
- 0 mm
- Max wind
- 10 km/h
Tuesday
Tue, Jun 23
Overcast
38°24°
- Rain chance
- 8%
- Precip
- 0 mm
- Max wind
- 11 km/h
Next 48 hours
- 12 AM26°0%8 km/h
- 1 AM27°0%2 km/h
- 2 AM26°2%21 km/h
- 3 AM22°26%11 km/h
- 4 AM25°57%4 km/h
- 5 AM25°73%6 km/h
- 6 AM21°59%6 km/h
- 7 AM24°29%8 km/h
- 8 AM26°6%4 km/h
- 9 AM26°0%6 km/h
- 10 AM30°0%2 km/h
- 11 AM31°0%10 km/h
- 12 PM32°0%7 km/h
- 1 PM34°0%4 km/h
- 2 PM35°0%1 km/h
- 3 PM36°22%4 km/h
- 4 PM36°52%12 km/h
- 5 PM36°71%16 km/h
- 6 PM36°69%11 km/h
- 7 PM28°56%16 km/h
- 8 PM27°41%11 km/h
- 9 PM25°27%12 km/h
- 10 PM25°11%4 km/h
- 11 PM24°0%7 km/h
- 12 AM23°0%6 km/h
- 1 AM23°0%4 km/h
- 2 AM23°0%2 km/h
- 3 AM22°0%1 km/h
- 4 AM22°0%1 km/h
- 5 AM22°0%1 km/h
- 6 AM21°0%4 km/h
- 7 AM22°0%4 km/h
- 8 AM24°0%4 km/h
- 9 AM26°0%5 km/h
- 10 AM28°0%6 km/h
- 11 AM30°0%7 km/h
- 12 PM32°0%6 km/h
- 1 PM33°0%5 km/h
- 2 PM34°0%3 km/h
- 3 PM35°0%6 km/h
- 4 PM35°1%9 km/h
- 5 PM35°2%9 km/h
- 6 PM35°5%10 km/h
- 7 PM34°8%10 km/h
- 8 PM33°10%9 km/h
- 9 PM32°8%7 km/h
- 10 PM31°3%6 km/h
- 11 PM29°0%3 km/h
In depth
The weather picture for Merzig opens with clear sky; it's 36 °C out, feeling like 39 °C. Today's forecast calls for light drizzle, topping out near 36 °C before falling back to 21 °C overnight. Winds blow mainly from the N around 21 km/h, with gusts up to 46 km/h. Daytime highs hold fairly steady this week, staying within 35 to 38 °C. No meaningful rain shows up in the seven-day outlook, so dry conditions should dominate. Tomorrow brings overcast with a high of 35 °C and a 10% chance of precipitation. The UV index reaches 7 today, so sun protection is sensible during the middle of the day. With the apparent temperature pushing into heat-stress territory, limit strenuous outdoor activity in the afternoon and stay hydrated. Sunrise comes at 05:26 and sunset at 21:43, giving 16.3 hours of daylight. Current humidity sits at 30% with pressure near 1023 hPa. Looking further out, Thursday shows overcast with a high around 36 °C, while Saturday ends the week at 38 °C.
Sun & UV
- Sunrise
- 5:26 AM
- Sunset
- 9:43 PM
- Daylight
- 16h 16m
- Max UV
- 6.95 High
Wind
- Wind
- 4 km/h
- Gusts
- 19 km/h
- Direction
- WNW (290°)
Farming weather
Soil temperatures today read surface 22.5 °C, 6 cm 27 °C, 18 cm 27.3 °C, 54 cm 20.3 °C. Soil moisture sits at 0-1 cm at 0.11 m³/m³, 3-9 cm at 0.13 m³/m³, 27-81 cm at 0.2 m³/m³. For wheat, the root-zone reading is below the ideal 0.2-0.35 m³/m³ band. Reference evapotranspiration totals 49 mm against only 0 mm of expected rain — a 49 mm deficit, so irrigation will be needed this week. A suitable spraying window opens around 06:00 on 2026-06-21, with winds at or below 15 km/h and no rain expected. Heat stress is likely for wheat with highs reaching 38 °C (threshold 32 °C). Heat stress is likely for maize with highs reaching 38 °C (threshold 35 °C). Projected growing degree days over the next week: wheat 178, maize 139.
- Topsoil moisture
- 0.113 m³/m³
- Soil temp
- 24°C
- ET₀ today
- 6.42 mm
- Spray window
- ~5:00
- Rain (next 7d)
- 0.1 mm
- Wind
- 4 km/h
- Humidity
- 30%
Advisory summary
Weather alerts for Merzig (derived from forecast data, not official warnings): Extreme heat Tuesday: feels-like temperatures up to 40 °C.
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All data for Merzig
| Variable | Value |
|---|---|
| City | Merzig, Saarland, Germany |
| Coordinates | 49.44331, 6.63874 |
| Elevation | 177 m |
| Timezone | Europe/Berlin |
| Population | 31,118 |
| Observed at (local) | 3:00 PM |
| Temperature (2 m) | 36°C |
| Apparent temperature | 40°C |
| Relative humidity (2 m) | 30% |
| Dew point (2 m) | 16°C |
| Precipitation (last hour) | 0 mm |
| Rain | 0 mm |
| Showers | 0 mm |
| Snowfall | 0 cm |
| Weather code (WMO) | 0 |
| Cloud cover | 0% |
| Surface pressure | 1003 hPa |
| Sea-level pressure | 1023 hPa |
| Wind speed (10 m) | 4 km/h |
| Wind gusts (10 m) | 19 km/h |
| Wind direction (10 m) | 290° (WNW) |
| Visibility | 40.9 km |
| UV index | 6.75 |
| Day / night | Day |
| Today max / min | 36°C / 21°C |
| Today feels-like max / min | 40°C / 23°C |
| Today precipitation sum | 0.1 mm |
| Today rain sum | 0.1 mm |
| Today snowfall sum | 0 cm |
| Today max precip probability | 73% |
| Today max wind / gusts | 21 km/h / 46 km/h |
| Dominant wind direction | 7° (N) |
| Sunrise / sunset | 5:26 AM / 9:43 PM |
| Daylight duration | 16h 16m |
| Sunshine duration | 12h 52m |
| Max UV index | 6.95 |
| Reference evapotranspiration (ET₀) | 6.42 mm |
| Topsoil moisture (0–1 cm) | 0.113 m³/m³ |
| Surface soil temperature | 24°C |
| US AQI | 44 |
| European AQI | 51 |
| PM2.5 | 8.6 µg/m³ |
| PM10 | 12.4 µg/m³ |
| Ozone (O₃) | 116 µg/m³ |
| Nitrogen dioxide (NO₂) | 1.1 µg/m³ |
| Sulphur dioxide (SO₂) | 1.4 µg/m³ |
| Carbon monoxide (CO) | 176 µg/m³ |
| Dust | 5 µg/m³ |
| Alder pollen | 0 gr/m³ |
| Birch pollen | 0 gr/m³ |
| Grass pollen | 21.4 gr/m³ |
| Mugwort pollen | 0.3 gr/m³ |
| Olive pollen | 0.2 gr/m³ |
| Ragweed pollen | 0 gr/m³ |
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<iframe src="https://weathertomorrow.cloud/embed/city/de/saarland/merzig" width="320" height="180" frameborder="0" title="Merzig weather" loading="lazy"></iframe>Frequently asked questions
Will it rain in Merzig tomorrow?
Rain is unlikely in Merzig tomorrow; the precipitation chance stays around 10%.
What is the temperature in Merzig today?
Today Merzig sees light drizzle with a high of 36 °C and a low of 21 °C.
How hot will it be in Merzig tomorrow?
Tomorrow's high in Merzig is forecast at 35 °C with overcast.
Is it windy in Merzig today?
Yes, yes — gusts up to 46 km/h today.
What is the UV index in Merzig today?
The UV index peaks at 7 today, which is high.
What time is sunrise and sunset in Merzig today?
The sun rises at 05:26 and sets at 21:43 local time.
Is the air quality in Merzig good today?
Air quality is good right now, with a US AQI reading of 44.