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.
58.28°F
the index at 9:16 PM, 5 stations reporting
No hour listed right now: the next one opens an hour before it settles.
| Hour (Eastern) | Settled at |
|---|---|
| 10 PM | 57.92°F |
| 9 PM | 57.34°F |
| 8 PM | 58.28°F |
| 7 PM | 58.28°F |
| 6 PM | 59.36°F |
| 5 PM | 60.84°F |
| 4 PM | 61.88°F |
| 3 PM | 62.60°F |
| 2 PM | 62.60°F |
| 1 PM | 60.80°F |
| 12 PM | 59.00°F |
| 11 AM | 57.67°F |
| 10 AM | 56.84°F |
| 9 AM | 55.04°F |
| 8 AM | 53.13°F |
| 7 AM | 52.88°F |
| 6 AM | 52.88°F |
| 5 AM | 53.31°F |
| 4 AM | 53.96°F |
| 3 AM | 54.32°F |
| 2 AM | 53.60°F |
| 1 AM | 53.96°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-20261102).
Every hourly city · Chicago's daily high
Almanac shows information and tools. It never says what to buy or sell and never places an order.