London, UK
10 Jul 2026 to 12 Jul 2026
Finsbury Park in north London. Urban park festival with limited shade. July heat in the city can build quickly with no sea breeze to break it.
A live forecast with conditions score, packing advice, and historical comparison will be available from 2026-06-26.
Current 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 Wireless's event window is shaping up, weighted toward the festival's primary risk (extreme heat and sun exposure). 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.