Kelmarsh, UK
27 Aug 2026 to 30 Aug 2026
Kelmarsh Hall parkland in Northamptonshire. Small site with decent drainage on historic estate ground. Late August bank holiday weather is the main variable.
A live forecast with conditions score, packing advice, and historical comparison will be available from 2026-08-13.
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Post a jobCurrent conditions refresh daily at 07:00 UTC from our cron. Forecasts cache for 6 hours; climate averages for 24 hours; the 20-year historical distribution refreshes weekly.
A single 0-10 rating of how Shambala's event window is shaping up, weighted toward the festival's primary risk (wet and muddy ground conditions). Above 7 means likely good, 4-6 is mixed, below 4 means prepare for the worst.
Open-Meteo, an open weather API that blends multiple national weather services plus ERA5 archive data going back to 2006. The same data powers many outdoor apps.
No. The 20-year comparison uses weather records for this location and event window regardless of whether the festival itself ran that year. That gives us a consistent 20-year sample even for festivals that started more recently.
See the "Pack for it" section above. The list is generated from the current forecast, tuned to the temperatures, rain probability, and primary risk you will actually face.