Probability over time
How the chance of nice weather at Lollapalooza Chicago 2026 has evolved as the festival approaches. Snapshotted twice a day. The bold line is the overall festival average; thin lines are individual days.
Trend chart
Snapshot · 2026-07-30 · 73% overall
46 / 46
07-30
100%
25° · 0mm
07-31
98%
26° · 0.8mm
08-01
0%
21° · 30.1mm
08-02
92%
22° · 2.9mm