Graspop Metal Meeting 2026: Weerbericht

The KMI has issued a code yellow heat warning for the Graspop Metal Meeting 2026 in Dessel, Belgium, effective from today through Saturday. Temperatures are expected to peak at 34°C on Friday, June 19, with humidity levels pushing the perceived temperature to 37°C, according to the weather forecast.

Thousands of attendees are heading to Dessel for the metal festival season’s highlight. The KMI warning indicates a high probability of heat-related complaints during the event.

What is the daily weather forecast for Graspop 2026?

The forecast predicts consistent heat across the four-day event from June 18 to June 21. Thursday, June 18, will see sunny skies with a high of 31°C and a low of 20°C.

Friday, June 19, is projected to be the hottest day with a high of 34°C and a low of 19°C. While sunny, the forecast includes a possibility of showers or thunderstorms in the evening.

Saturday, June 20, will reach 30°C during the day and drop to 18°C at night. Evening showers are possible, following potential morning cooling from Friday’s storms.

The weekend concludes on Sunday, June 21, with sunny weather and a high of 32°C. The nighttime low is expected to be 19°C with a slight chance of rain.

Did You Know? The UV index for the weekend is rated at 7, meaning skin can burn in as little as 10 to 20 minutes of direct sun exposure.

How will the heat impact festival attendees?

The KMI’s code yellow warning suggests that traditional black cotton band shirts may be unsuitable for temperatures exceeding 30°C. Attendees are advised to wear light clothing, use sunscreen, and drink significant amounts of water.

Graspop Metal Meeting Lineup 2026

Campgrounds open Wednesday afternoon, where temperatures are expected to be 25°C. This provides a cooler window for tent assembly compared to Thursday’s 31°C peak.

Expert Insight: Samantha Carter notes that the conflict between subculture attire and extreme weather creates a health risk for attendees. The shift toward light clothing is not just a preference but a necessary adaptation to avoid heat-related illness during high-intensity activities like the circlepit.

Which bands are performing during these conditions?

Infected Rain is scheduled to open the North Stage on Friday, the weekend’s hottest day. The evening’s potential thunderstorms may impact the schedule, and the organization has advised attendees to seek safe locations if storms occur.

Saturday’s headliners include Bad Omens and Bring Me the Horizon. Forecasted evening showers could provide some relief before these performances.

The Sunday lineup features Sabaton. Despite being the final day, temperatures will remain high at 32°C, continuing the trend of extreme weather for the event.

Frequently Asked Questions

What is the highest temperature expected at Graspop 2026?
The highest forecast temperature is 34°C on Friday, June 19, which may feel like 37°C due to humidity.

When do the campsites open?
The campsites around the festival open on Wednesday afternoon.

What is the weather warning level for the weekend?
The KMI has issued a code yellow warning from today until Saturday due to the approaching heat.

How are you adjusting your festival gear to handle the heat this year?