worldweather20°Cnear normal
usually 18°C–24°C
night: exceptionally warm
rain: typical rainfall
wind: typical
Weather in Heist-op-den-Berg - 14-day forecast
Detailed weather forecast for Heist-op-den-Berg, Belgium: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Heist-op-den-Berg
today☁️
20°💧 1.2 mm
Sun☁️
21°💧 1 mm
Mon☁️
28°💧 5.1 mm
Tue🌧️
20°💧 1.6 mm
Wed🌤️
18°💧 0.2 mm
Thu🌧️
17°💧 0.2 mm
Fri🌧️
19°💧 4.3 mm
Sat☁️
18°💧 4 mm
Forecast vs 1991-2020 climate normal
NASA POWERHow does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Monday 7 Sept in Heist-op-den-Berg, the forecast high is 28°C. Typical daytime temperatures at this time of year range from 18°C to 24°C, so it will be exceptionally warm. It is warmer than 96% of similar days.
21°Cnear normal
usually 18°C–24°C
night: exceptionally warm
rain: typical rainfall
wind: lighter than usual
28°Cexceptionally warm
usually 18°C–24°C
warmer than 96% of similar days
night: exceptionally warm
rain: more rain than usual
wind: stronger than usual
20°Cnear normal
usually 18°C–23°C
night: warmer than usual
rain: typical rainfall
wind: stronger than usual
18°Ccooler than usual
usually 18°C–24°C
cooler than 74% of similar days
night: exceptionally warm
rain: typical rainfall
wind: stronger than usual
17°Ccooler than usual
usually 18°C–23°C
cooler than 87% of similar days
night: exceptionally warm
rain: typical rainfall
wind: typical
19°Cnear normal
usually 18°C–23°C
night: warmer than usual
rain: more rain than usual
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.
cooler yearstypical rangewarmer years2026 forecastcurrent forecast
From 1981 to 2025, the 5-11 Sept period averaged 21°C by day. The coolest year was 1984 (15°C) and the warmest was 2023 (29°C). The current forecast averages 21°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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Heist-op-den-Berg
No active weather warnings for Heist-op-den-Berg (region: Antwerpen). The national weather service is not forecasting dangerous conditions.
14-day forecast - Heist-op-den-Berg
Heist-op-den-Berg 30 & 45-day weather - long-range outlook
Next 16 days · forecast
22°
around 17° at night · days with rain: 7
Weeks 3-4 · avg for September
20°
around 11° at night · rain chance 47%
Weeks 5-7 · avg for October
15°
around 8° at night · rain chance 62%
The 30 & 45-day outlook for Heist-op-den-Berg: the next 16 days are a numerical forecast updated daily - on average 22° by day and 17° at night. Further out we rely on multi-year climate averages: around 20° in September, and about 15° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Heist-op-den-Berg
Saturday5 September 2026
☁️20°broken clouds
Sunday6 September 2026
☁️21°overcast clouds
Monday7 September 2026
☁️28°overcast clouds
Tuesday8 September 2026
🌧️20°light rain
Wednesday9 September 2026
🌤️18°scattered clouds
Thursday10 September 2026
🌧️17°light rain
Friday11 September 2026
🌧️19°light rain
Saturday12 September 2026
☁️18°broken clouds
Sunday13 September 2026
🌤️21°scattered clouds
Monday14 September 2026
☀️21°clear sky
Tuesday15 September 2026
🌧️21°light rain
Wednesday16 September 2026
🌧️19°light rain
Thursday17 September 2026
🌧️23°light rain
Friday18 September 2026
🌤️26°scattered clouds
Saturday19 September 2026
☀️31°clear sky
Sunday20 September 2026
☁️31°overcast clouds
UV index in Heist-op-den-Berg - is it safe to sunbathe?
Today the UV index in Heist-op-den-Berg 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 Heist-op-den-Berg - info for allergy sufferers
Today grasses pollen is highest in Heist-op-den-Berg - about 2 grains/m³, low level. Most allergy sufferers should not feel strong symptoms. Pollen levels are a CAMS model forecast and are indicative.
Heist-op-den-Berg weather through the year
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
FAQ - Heist-op-den-Berg weather
What is the weather like in Heist-op-den-Berg today?
Today it is about 20° during the day and 15° at night, broken clouds.
How far ahead can I check the forecast for Heist-op-den-Berg?
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.