Today
Mon, Jun 22
Overcast
31°21°
- Rain chance
- 0%
- Precip
- 0 mm
- Max wind
- 12 km/h
Jambes weather forecast
Wallonia, Belgium · Brussels time · 50.46°, 4.87°
Extreme heat Friday: feels-like temperatures up to 40 °C.
Extreme heat Friday: feels-like temperatures up to 40 °C.
Derived advisory — not an official warning
Current conditions · 2:15 AM local
Current conditions in Jambes
23°C
Clear sky
Feels like 28°C
- Humidity
- 76%
- Wind
- 4 km/h ENE
- Gusts
- 9 km/h
- UV index
- 0
- Visibility
- 16.4 km
Right now
Jambes is currently seeing clear sky, with 23 °C on the thermometer. It feels warmer than it reads, more like 27 °C. Wind is from the ENE at 4 km/h. Humidity stands at 79% with sea-level pressure near 1025 hPa.
At a glance
Today
31° / 21°Overcast
Tomorrow
33° / 20°Overcast
Upcoming · to Sunday
38° / 23°A steady stretch: highs near 38°, lows around 23°, and no day above a 33% rain chance through Sunday.
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Next 3 days
Expect overcast today, between 21 °C and 31 °C. Expect overcast tomorrow, between 20 °C and 33 °C. Wednesday looks like light drizzle; temperatures run from 23 °C up to 35 °C.
Tomorrow
Tue, Jun 23
Overcast
33°20°
- Rain chance
- 2%
- Precip
- 0 mm
- Max wind
- 8 km/h
Wednesday
Wed, Jun 24
Light drizzle
35°23°
- Rain chance
- 0%
- Precip
- 0.1 mm
- Max wind
- 6 km/h
Next 48 hours
- 12 AM25°0%5 km/h
- 1 AM24°0%5 km/h
- 2 AM24°0%3 km/h
- 3 AM23°0%5 km/h
- 4 AM22°0%5 km/h
- 5 AM22°0%5 km/h
- 6 AM21°0%5 km/h
- 7 AM22°0%5 km/h
- 8 AM23°0%5 km/h
- 9 AM24°0%6 km/h
- 10 AM26°0%6 km/h
- 11 AM28°0%8 km/h
- 12 PM29°0%11 km/h
- 1 PM29°0%12 km/h
- 2 PM30°0%10 km/h
- 3 PM31°0%10 km/h
- 4 PM31°0%9 km/h
- 5 PM31°0%9 km/h
- 6 PM31°0%9 km/h
- 7 PM30°0%10 km/h
- 8 PM29°0%9 km/h
- 9 PM28°0%10 km/h
- 10 PM27°0%8 km/h
- 11 PM26°0%6 km/h
- 12 AM24°0%7 km/h
- 1 AM24°0%7 km/h
- 2 AM23°0%6 km/h
- 3 AM22°0%4 km/h
- 4 AM21°0%4 km/h
- 5 AM21°0%2 km/h
- 6 AM20°0%1 km/h
- 7 AM21°0%3 km/h
- 8 AM23°0%4 km/h
- 9 AM25°0%4 km/h
- 10 AM27°0%4 km/h
- 11 AM28°0%6 km/h
- 12 PM30°0%7 km/h
- 1 PM31°0%8 km/h
- 2 PM32°0%7 km/h
- 3 PM32°1%7 km/h
- 4 PM33°1%7 km/h
- 5 PM33°2%7 km/h
- 6 PM33°2%7 km/h
- 7 PM33°2%8 km/h
- 8 PM32°2%8 km/h
- 9 PM31°1%5 km/h
- 10 PM30°1%3 km/h
- 11 PM28°0%3 km/h
In depth
Across Jambes right now you'll find clear sky and a temperature of 23 °C, with the apparent temperature at 27 °C. Today's forecast calls for overcast, topping out near 31 °C before falling back to 21 °C overnight. Winds blow mainly from the NE around 12 km/h, with gusts up to 27 km/h. Daytime highs hold fairly steady this week, staying within 31 to 38 °C. Rain is in the picture on Sunday, with roughly 6 mm expected in total across the week. Tomorrow brings overcast with a high of 33 °C and a 2% chance of precipitation. The UV index reaches 7 today, so sun protection is sensible during the middle of the day. Sunrise comes at 05:29 and sunset at 21:55, giving 16.4 hours of daylight. Current humidity sits at 79% with pressure near 1025 hPa. Looking further out, Friday shows light drizzle with a high around 38 °C, while Sunday ends the week at 33 °C. Forecast details are refreshed throughout the day as new model runs arrive, so check back for the latest figures.
Air quality
47
Good
US AQI · European AQI 30
Air quality in Jambes is currently good, with a US AQI of 47 (European AQI 30). The dominant pollutant right now is ozone. Air quality is healthy; no precautions needed. Fine particulate matter (PM2.5) measures 8.7 µg/m³. Pollen in the air today: grass (low) — allergy sufferers take note.
Pollutants
- PM2.5
- 8.7 µg/m³
- PM10
- 13.8 µg/m³
- Ozone (O₃)
- 75 µg/m³
- NO₂
- 7.3 µg/m³
- SO₂
- 0.5 µg/m³
- CO
- 149 µg/m³
- Dust
- 2 µg/m³
Pollen
- Grass
- 18.2 gr/m³
- Birch
- 0 gr/m³
- Alder
- 0 gr/m³
- Olive
- 0 gr/m³
- Mugwort
- 0.5 gr/m³
- Ragweed
- 0 gr/m³
Sun & UV
- Sunrise
- 5:29 AM
- Sunset
- 9:55 PM
- Daylight
- 16h 27m
- Max UV
- 7.15 High
Wind
- Wind
- 4 km/h
- Gusts
- 9 km/h
- Direction
- ENE (63°)
Farming weather
Soil temperatures today read surface 23.5 °C, 6 cm 25.7 °C, 18 cm 26.3 °C, 54 cm 20.6 °C. Soil moisture sits at 0-1 cm at 0.17 m³/m³, 3-9 cm at 0.19 m³/m³, 27-81 cm at 0.25 m³/m³. For wheat, the root-zone reading is below the ideal 0.2-0.35 m³/m³ band. Reference evapotranspiration totals 45 mm against only 6 mm of expected rain — a 39 mm deficit, so irrigation will be needed this week. A suitable spraying window opens around 06:00 on 2026-06-22, 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 171, maize 133.
- Topsoil moisture
- 0.183 m³/m³
- Soil temp
- 22°C
- ET₀ today
- 5.86 mm
- Spray window
- ~5:00
- Rain (next 7d)
- 5.8 mm
- Wind
- 4 km/h
- Humidity
- 76%
Advisory summary
Weather alerts for Jambes (derived from forecast data, not official warnings): Extreme heat Friday: feels-like temperatures up to 40 °C.
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All data for Jambes
| Variable | Value |
|---|---|
| City | Jambes, Wallonia, Belgium |
| Coordinates | 50.45636, 4.87166 |
| Elevation | 84 m |
| Timezone | Europe/Brussels |
| Population | 19,658 |
| Observed at (local) | 2:15 AM |
| Temperature (2 m) | 23°C |
| Apparent temperature | 28°C |
| Relative humidity (2 m) | 76% |
| Dew point (2 m) | 21°C |
| Precipitation (last hour) | 0 mm |
| Rain | 0 mm |
| Showers | 0 mm |
| Snowfall | 0 cm |
| Weather code (WMO) | 0 |
| Cloud cover | 15% |
| Surface pressure | 1016 hPa |
| Sea-level pressure | 1025 hPa |
| Wind speed (10 m) | 4 km/h |
| Wind gusts (10 m) | 9 km/h |
| Wind direction (10 m) | 63° (ENE) |
| Visibility | 16.4 km |
| UV index | 0 |
| Day / night | Night |
| Today max / min | 31°C / 21°C |
| Today feels-like max / min | 35°C / 24°C |
| Today precipitation sum | 0 mm |
| Today rain sum | 0 mm |
| Today snowfall sum | 0 cm |
| Today max precip probability | 0% |
| Today max wind / gusts | 12 km/h / 27 km/h |
| Dominant wind direction | 34° (NE) |
| Sunrise / sunset | 5:29 AM / 9:55 PM |
| Daylight duration | 16h 27m |
| Sunshine duration | 14h 57m |
| Max UV index | 7.15 |
| Reference evapotranspiration (ET₀) | 5.86 mm |
| Topsoil moisture (0–1 cm) | 0.183 m³/m³ |
| Surface soil temperature | 22°C |
| US AQI | 47 |
| European AQI | 30 |
| PM2.5 | 8.7 µg/m³ |
| PM10 | 13.8 µg/m³ |
| Ozone (O₃) | 75 µg/m³ |
| Nitrogen dioxide (NO₂) | 7.3 µg/m³ |
| Sulphur dioxide (SO₂) | 0.5 µg/m³ |
| Carbon monoxide (CO) | 149 µg/m³ |
| Dust | 2 µg/m³ |
| Alder pollen | 0 gr/m³ |
| Birch pollen | 0 gr/m³ |
| Grass pollen | 18.2 gr/m³ |
| Mugwort pollen | 0.5 gr/m³ |
| Olive pollen | 0 gr/m³ |
| Ragweed pollen | 0 gr/m³ |
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<iframe src="https://weathertomorrow.cloud/embed/city/be/wallonia/jambes" width="320" height="180" frameborder="0" title="Jambes weather" loading="lazy"></iframe>Frequently asked questions
Will it rain in Jambes tomorrow?
Rain is unlikely in Jambes tomorrow; the precipitation chance stays around 2%.
What is the temperature in Jambes today?
Today Jambes sees overcast with a high of 31 °C and a low of 21 °C.
How hot will it be in Jambes tomorrow?
Tomorrow's high in Jambes is forecast at 33 °C with overcast.
Is it windy in Jambes today?
No, not especially; gusts only reach up to 27 km/h today.
What is the UV index in Jambes today?
The UV index peaks at 7 today, which is high.
What time is sunrise and sunset in Jambes today?
The sun rises at 05:29 and sets at 21:55 local time.
Is the air quality in Jambes good today?
Air quality is good right now, with a US AQI reading of 47.