← Festival Forecast

Graspop Metal Meeting 2026 Nice-Weather Probability

How nice the weather wasRecap

0%

🌧️

Soggy and sweaty — waterproofs, but light layers underneath.

Final recap — actual measured weather.

Jun 18 – Jun 21

Thu

Jun 18 · Actual

94%
High
31°
feels 33°
Low
16°
Rain
0mm

Fri

Jun 19 · Actual

40%
High
33°
feels 37°
Low
19°
feels 21°
Rain
9.3mm

Sat

Jun 20 · Actual

89%
High
29°
feels 33°
Low
18°
feels 20°
Rain
2.8mm

Sun

Jun 21 · Actual

51%
High
31°
feels 34°
Low
19°
feels 21°
Rain
8.8mm

About Graspop

Graspop Metal Meeting is Belgium's biggest metal festival, held every June in the Kempen heathland village of Dessel. Around 50,000 people a day pack out the site for four days of rock, metal and hardcore across multiple stages, with a famously well-organised Belgian production.

Typical Graspop weather

Mid-to-late June in northern Belgium is warm but unsettled: highs of 21–24°C, nights of 12–14°C, and a regular chance of afternoon showers or thunderstorms rolling in off the North Sea.

How weather shapes Graspop

The Kempen's sandy soil drains better than most North European festival sites, so mud is less of a problem than at Glastonbury or Wacken. Thunderstorms are the bigger concern — they can be dramatic and have caused short stage delays in past years. Sunburn catches metal-clad fans out on the rare hot days, since shade is scarce on the open fields.