Kalshi's Chicago hourly markets settle on the Kalshi Weather Index for the Chicago metro airports: an average of 5 airport stations' one-minute readings, at the top of each hour, Eastern time.
53.60°F
the index at 6:08 AM, 5 stations reporting
No hour listed right now: the next one opens an hour before it settles.
| Hour (Eastern) | Settled at |
|---|---|
| 7 AM | 53.64°F |
| 6 AM | 53.60°F |
| 5 AM | 53.96°F |
| 4 AM | 52.52°F |
| 3 AM | 53.24°F |
| 2 AM | 53.60°F |
| 1 AM | 53.60°F |
| 12 AM | 53.24°F |
Each counts equally, after Kalshi takes off how warm or cool it usually runs against the others (recalibrated weekly; configuration chicago-temperature-v1.0-cal-20261026).
Every hourly city · Chicago's daily high
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