Manchester, USA
11 Jun 2026 to 14 Jun 2026
Tennessee farmland in peak southern summer. Heat plus humidity is the primary hazard; the 2021 flooding cancellation is a reminder the ground fails too.
Also the 1st stormiest in 21 years. The primary score does not capture this.
Also the 3rd dustiest in 21 years. The primary score does not capture this.
This year's figure reflects what actually happened during the event window. The 20-year comparison uses weather records for this location across the event window from 2006 to 2025. Individual experience may differ from location-averaged meteorological data, and the festival itself may not have run in every year shown.
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Post a jobBased on weather records at this location, peaks of 30°C with 0 consecutive days over 35°C drive the 5.8 score. Overnight lows of 19°C either give bodies a chance to cool off or compound the heat load.
A UV mean of 0.0 and a cooling breeze of 19 km/h are the modifiers that push the number up or down on the day. Shade access and water points usually matter more than the temperature gauge itself.
Note: this year also lands in an extreme band for another conditions axis (1st stormiest in 21 years). The primary score does not capture that, so if your memory of a past edition differs from the numbers here, it may live on a different axis than the one the headline stat tracks.
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 Bonnaroo'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.