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Weather Tomorrow

Bilzen air quality

Flanders, Belgium · Brussels time · 50.87°, 5.52°

Extreme heat Friday: feels-like temperatures up to 41 °C.

Extreme heat Friday: feels-like temperatures up to 41 °C.

Derived advisory — not an official warning

Current conditions · 4:15 PM local

Current conditions in Bilzen

32°C

Overcast

Feels like 26°C

Humidity
61%
Wind
6 km/h NNW
Gusts
17 km/h
UV index
0
Visibility
50 km

Air quality

45

Good

US AQI · European AQI 60

Air quality in Bilzen is currently good, with a US AQI of 45 (European AQI 60). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 10.1 µg/m³. Pollen in the air today: grass (moderate) — allergy sufferers take note.

Pollutants

PM2.5
10.1 µg/m³
PM10
13.2 µg/m³
Ozone (O₃)
130 µg/m³
NO₂
1.9 µg/m³
SO₂
0.3 µg/m³
CO
141 µg/m³
Dust
4 µg/m³

Pollen

Grass
48.7 gr/m³
Birch
0 gr/m³
Alder
0 gr/m³
Olive
0.2 gr/m³
Mugwort
1.3 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

Bilzen is currently seeing overcast, with 32 °C on the thermometer. It feels warmer than it reads, more like 36 °C. Wind is from the NNW at 6 km/h. Humidity stands at 49% with sea-level pressure near 1024 hPa.

At a glance

Today

32° / 20°

Heavy rain · rain likely (86%)

Tomorrow

32° / 22°

Overcast

Upcoming · to Saturday

38° / 19°

A steady stretch: highs near 38°, lows around 19°, and no day above a 27% rain chance through Saturday.

Next 3 days

Today brings heavy rain with a high of 32 °C and a low of 20 °C. Rain chance peaks at 86% with around 19.1 mm possible. Expect overcast tomorrow, between 22 °C and 32 °C. Tuesday brings overcast with a high of 34 °C and a low of 22 °C.

Today

Sun, Jun 21

Heavy rain

32°20°

Rain chance
86%
Precip
19.1 mm
Max wind
19 km/h

Tomorrow

Mon, Jun 22

Overcast

32°22°

Rain chance
0%
Precip
0 mm
Max wind
13 km/h

Tuesday

Tue, Jun 23

Overcast

34°22°

Rain chance
4%
Precip
0 mm
Max wind
11 km/h

Next 48 hours

  1. 12 AM25°10%12 km/h
  2. 1 AM24°0%8 km/h
  3. 2 AM21°2%14 km/h
  4. 3 AM20°28%15 km/h
  5. 4 AM20°66%17 km/h
  6. 5 AM21°86%19 km/h
  7. 6 AM20°68%9 km/h
  8. 7 AM20°34%11 km/h
  9. 8 AM22°14%4 km/h
  10. 9 AM24°31%5 km/h
  11. 10 AM25°63%9 km/h
  12. 11 AM26°80%4 km/h
  13. 12 PM28°64%7 km/h
  14. 1 PM29°32%5 km/h
  15. 2 PM31°8%5 km/h
  16. 3 PM32°0%3 km/h
  17. 4 PM32°0%5 km/h
  18. 5 PM32°0%7 km/h
  19. 6 PM32°0%8 km/h
  20. 7 PM31°0%9 km/h
  21. 8 PM30°0%12 km/h
  22. 9 PM28°0%12 km/h
  23. 10 PM27°0%9 km/h
  24. 11 PM26°0%8 km/h
  25. 12 AM26°0%8 km/h
  26. 1 AM25°0%7 km/h
  27. 2 AM24°0%8 km/h
  28. 3 AM23°0%9 km/h
  29. 4 AM23°0%9 km/h
  30. 5 AM22°0%9 km/h
  31. 6 AM22°0%10 km/h
  32. 7 AM22°0%10 km/h
  33. 8 AM22°0%9 km/h
  34. 9 AM23°0%8 km/h
  35. 10 AM25°0%8 km/h
  36. 11 AM26°0%10 km/h
  37. 12 PM28°0%12 km/h
  38. 1 PM29°0%12 km/h
  39. 2 PM30°0%11 km/h
  40. 3 PM31°0%10 km/h
  41. 4 PM31°0%9 km/h
  42. 5 PM32°0%10 km/h
  43. 6 PM31°0%12 km/h
  44. 7 PM31°0%12 km/h
  45. 8 PM30°0%13 km/h
  46. 9 PM28°0%12 km/h
  47. 10 PM27°0%11 km/h
  48. 11 PM26°0%9 km/h

In depth

The weather picture for Bilzen opens with overcast; it's 32 °C out, feeling like 36 °C. Today's forecast calls for heavy rain, topping out near 32 °C before falling back to 20 °C overnight. Winds blow mainly from the NE around 19 km/h, with gusts up to 34 km/h. Daytime highs hold fairly steady this week, staying within 32 to 38 °C. Rain is in the picture on today, with roughly 19 mm expected in total across the week. Tomorrow brings overcast with a high of 32 °C and a 0% chance of precipitation. The UV index reaches 7 today, so sun protection is sensible during the middle of the day. Sunrise comes at 05:24 and sunset at 21:55, giving 16.5 hours of daylight. Current humidity sits at 49% with pressure near 1024 hPa. Looking further out, Thursday shows overcast with a high around 36 °C, while Saturday ends the week at 35 °C. Forecast details are refreshed throughout the day as new model runs arrive, so check back for the latest figures.

Sun & UV

Sunrise
5:24 AM
Sunset
9:55 PM
Daylight
16h 31m
Max UV
7.05 High

Wind

Wind
6 km/h
Gusts
17 km/h
Direction
NNW (337°)

Farming weather

Soil temperatures today read surface 22 °C, 6 cm 24.4 °C, 18 cm 23.5 °C, 54 cm 17.9 °C. Soil moisture sits at 0-1 cm at 0.26 m³/m³, 3-9 cm at 0.26 m³/m³, 27-81 cm at 0.27 m³/m³. For wheat, the root-zone reading is within the ideal 0.2-0.35 m³/m³ band. Reference evapotranspiration totals 45 mm against only 19 mm of expected rain — a 26 mm deficit, so irrigation will be needed this week. A suitable spraying window opens around 07:00 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 166, maize 128.

Topsoil moisture
0.232 m³/m³
Soil temp
20°C
ET₀ today
5.87 mm
Spray window
~6:00
Rain (next 7d)
19.1 mm
Wind
6 km/h
Humidity
61%

Full farming outlook for Bilzen

Advisory summary

Weather alerts for Bilzen (derived from forecast data, not official warnings): Extreme heat Friday: feels-like temperatures up to 41 °C.

All data for Bilzen
Every forecast variable for Bilzen with human-readable labels
VariableValue
CityBilzen, Flanders, Belgium
Coordinates50.87325, 5.5184
Elevation53 m
TimezoneEurope/Brussels
Population29,622
Observed at (local)4:15 PM
Temperature (2 m)32°C
Apparent temperature26°C
Relative humidity (2 m)61%
Dew point (2 m)17°C
Precipitation (last hour)0 mm
Rain0 mm
Showers0 mm
Snowfall0 cm
Weather code (WMO)3
Cloud cover100%
Surface pressure1018 hPa
Sea-level pressure1024 hPa
Wind speed (10 m)6 km/h
Wind gusts (10 m)17 km/h
Wind direction (10 m)337° (NNW)
Visibility50 km
UV index0
Day / nightDay
Today max / min32°C / 20°C
Today feels-like max / min37°C / 20°C
Today precipitation sum19.1 mm
Today rain sum19.1 mm
Today snowfall sum0 cm
Today max precip probability86%
Today max wind / gusts19 km/h / 34 km/h
Dominant wind direction49° (NE)
Sunrise / sunset5:24 AM / 9:55 PM
Daylight duration16h 31m
Sunshine duration14h 04m
Max UV index7.05
Reference evapotranspiration (ET₀)5.87 mm
Topsoil moisture (0–1 cm)0.232 m³/m³
Surface soil temperature20°C
US AQI45
European AQI60
PM2.510.1 µg/m³
PM1013.2 µg/m³
Ozone (O₃)130 µg/m³
Nitrogen dioxide (NO₂)1.9 µg/m³
Sulphur dioxide (SO₂)0.3 µg/m³
Carbon monoxide (CO)141 µg/m³
Dust4 µg/m³
Alder pollen0 gr/m³
Birch pollen0 gr/m³
Grass pollen48.7 gr/m³
Mugwort pollen1.3 gr/m³
Olive pollen0.2 gr/m³
Ragweed pollen0 gr/m³

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Frequently asked questions

Will it rain in Bilzen tomorrow?

Rain is unlikely in Bilzen tomorrow; the precipitation chance stays around 0%.

What is the temperature in Bilzen today?

Today Bilzen sees heavy rain with a high of 32 °C and a low of 20 °C.

How hot will it be in Bilzen tomorrow?

Tomorrow's high in Bilzen is forecast at 32 °C with overcast.

Is it windy in Bilzen today?

No, not especially; gusts only reach up to 34 km/h today.

What is the UV index in Bilzen today?

The UV index peaks at 7 today, which is high.

What time is sunrise and sunset in Bilzen today?

The sun rises at 05:24 and sets at 21:55 local time.

Is the air quality in Bilzen good today?

Air quality is good right now, with a US AQI reading of 45.