Chicago daily high temperature
What will today's high temperature be in Chicago?
Kalshi's daily high-temperature ladder for Chicago (Midway). Tracking and education only.
The market now
| Market | Venue | YES | 1d | 7d | Bid / Ask | Volume | History |
|---|---|---|---|---|---|---|---|
| 65° or below Will the maximum temperature be <66° on Oct 27, 2026? | Kalshi | 1% | — | — | 0 / 1 | 2K contracts | |
| 66° to 67° Will the maximum temperature be 66-67° on Oct 27, 2026? | Kalshi | 3% | — | — | 2 / 3 | 3K contracts | |
| 68° to 69° Will the maximum temperature be 68-69° on Oct 27, 2026? | Kalshi | 27% | — | — | 27 / 28 | 2K contracts | |
| 70° to 71° Will the maximum temperature be 70-71° on Oct 27, 2026? | Kalshi | 64% | — | — | 62 / 65 | 7K contracts | |
| 72° to 73° Will the maximum temperature be 72-73° on Oct 27, 2026? | Kalshi | 5% | — | — | 5 / 6 | 2K contracts | |
| 74° or above Will the maximum temperature be >73° on Oct 27, 2026? | Kalshi | 1% | — | — | 1 / 2 | 532 contracts |
YES is the price of the “yes” side in percent; a contract pays 100 if it happens. Changes are in points. Kalshi volume is in contracts; Polymarket volume is in dollars. They are not comparable.
What actually settles it
The venue’s own rule text for each contract, as published at quote time. This is the sentence that pays, and it can differ from the headline.
Will the maximum temperature be <66° on Oct 27, 2026? — 65° or below (Kalshi)
If the maximum temperature recorded at Chicago (CLIMDW) for Oct 27, 2026, is less than 66° fahrenheit according to The Weather Company, then the market resolves to Yes.
Trading closes Wed, Oct 28, 2026, 2:00 AM ET. View on Kalshi
Will the maximum temperature be 66-67° on Oct 27, 2026? — 66° to 67° (Kalshi)
If the maximum temperature recorded at Chicago (CLIMDW) for Oct 27, 2026, is between 66-67° fahrenheit according to The Weather Company, then the market resolves to Yes.
Trading closes Wed, Oct 28, 2026, 2:00 AM ET. View on Kalshi
Will the maximum temperature be 68-69° on Oct 27, 2026? — 68° to 69° (Kalshi)
If the maximum temperature recorded at Chicago (CLIMDW) for Oct 27, 2026, is between 68-69° fahrenheit according to The Weather Company, then the market resolves to Yes.
Trading closes Wed, Oct 28, 2026, 2:00 AM ET. View on Kalshi
Will the maximum temperature be 70-71° on Oct 27, 2026? — 70° to 71° (Kalshi)
If the maximum temperature recorded at Chicago (CLIMDW) for Oct 27, 2026, is between 70-71° fahrenheit according to The Weather Company, then the market resolves to Yes.
Trading closes Wed, Oct 28, 2026, 2:00 AM ET. View on Kalshi
Will the maximum temperature be 72-73° on Oct 27, 2026? — 72° to 73° (Kalshi)
If the maximum temperature recorded at Chicago (CLIMDW) for Oct 27, 2026, is between 72-73° fahrenheit according to The Weather Company, then the market resolves to Yes.
Trading closes Wed, Oct 28, 2026, 2:00 AM ET. View on Kalshi
Will the maximum temperature be >73° on Oct 27, 2026? — 74° or above (Kalshi)
If the maximum temperature recorded at Chicago (CLIMDW) for Oct 27, 2026, is greater than 73° fahrenheit according to The Weather Company, then the market resolves to Yes.
Trading closes Wed, Oct 28, 2026, 2:00 AM ET. View on Kalshi
How to read this market
How temperature markets settle, and why your weather app shows a different number — A daily high temperature contract settles on one station, one data provider, one reading. Why the forecast, the weather app, and the contract can all disagree.
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