Trader consensus on Polymarket reflects the latest National Weather Service forecasts and ensemble model guidance projecting Chicago's highest temperature on March 29 in the 60-65°F range, with the GFS model leaning toward 60-61°F and the ECMWF toward 64-65°F, creating tight odds among these bins at 28.5%, 22.5%, and 18.5%. This clustering stems from uncertainty in the jet stream's positioning—a weak ridge over the Midwest could allow warm advection from the south, while a lingering trough risks cooler conditions—amid neutral ENSO patterns and typical late-March variability at O'Hare International Airport, where historical March 29 highs average around 48°F. New 12z model runs expected today could sharpen the outlook as the date nears.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten · AktualisiertHighest temperature in Chicago on March 29?
Highest temperature in Chicago on March 29?
60-61°F 27%
62-63°F 22%
64-65°F 19%
58-59°F 15%
53°F oder darunter
2%
54-55°F
3%
56-57°F
5%
58-59°F
15%
60-61°F
27%
62-63°F
22%
64-65°F
19%
66-67°F
12%
68-69°F
3%
70-71°F
2%
72°F or higher
2%
60-61°F 27%
62-63°F 22%
64-65°F 19%
58-59°F 15%
53°F oder darunter
2%
54-55°F
3%
56-57°F
5%
58-59°F
15%
60-61°F
27%
62-63°F
22%
64-65°F
19%
66-67°F
12%
68-69°F
3%
70-71°F
2%
72°F or higher
2%
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Chicago O'Hare Intl Airport Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Markt eröffnet: Mar 25, 2026, 6:02 AM ET
Resolution Source
https://www.wunderground.com/history/daily/us/il/chicago/KORDResolver
0x69c47De9D...Resolution Source
https://www.wunderground.com/history/daily/us/il/chicago/KORDResolver
0x69c47De9D...Trader consensus on Polymarket reflects the latest National Weather Service forecasts and ensemble model guidance projecting Chicago's highest temperature on March 29 in the 60-65°F range, with the GFS model leaning toward 60-61°F and the ECMWF toward 64-65°F, creating tight odds among these bins at 28.5%, 22.5%, and 18.5%. This clustering stems from uncertainty in the jet stream's positioning—a weak ridge over the Midwest could allow warm advection from the south, while a lingering trough risks cooler conditions—amid neutral ENSO patterns and typical late-March variability at O'Hare International Airport, where historical March 29 highs average around 48°F. New 12z model runs expected today could sharpen the outlook as the date nears.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten · Aktualisiert
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