PolymarketCheck availabilityNo KYC2% feeCurrent implied probability76-77°F 51%+8.0%Leader of 11 outcomes
Market quality
88 / 100
High quality24h Volume
$9.6K
Liquidity
$22.1K
Medium liquidityBid / Ask
50.0% / 51.0%
Spread
2.0%
Tight spreadMarket data
Updated 5 minutes ago
Jun 18, 26, 1:19 AMJun 19, 26, 12:00 PM
Trends
0%
Selected outcome
76-77°F51%
Also available on Kalshi
Highest temperature in Chicago on Jun 19, 2026?
17h
7%
46%
43%
+3 more outcomes
28 • Low qualityWide spreadLow liquidityThin market
Total Vol$200.7
24h Vol$198
KALSHIRules
This market will resolve to the temperature range that contains the highest temperature recorded at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 19 Jun '26.
- The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Chicago O'Hare Intl Airport Station, available here: https://www.wunderground.com/history/daily/us/il/chicago/KORD.
- To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
- This market can not resolve until the first data point for the following date has been published on the resolution source.
- The resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F).
- Thus, this is the level of precision that will be used when resolving the market.
Probabilities may differ due to different market structures, fees, and participant pools.
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Rules
This market will resolve to the temperature range that contains the highest temperature recorded at the Chicago O'Hare Intl Airport Station in degrees Fahrenheit on 19 Jun '26.
- The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Chicago O'Hare Intl Airport Station, available here: https://www.wunderground.com/history/daily/us/il/chicago/KORD.
- To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
- This market can not resolve until the first data point for the following date has been published on the resolution source.
- The resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F).
- Thus, this is the level of precision that will be used when resolving the market.