Trader consensus on Polymarket assigns a 37.5% implied probability to Chicago reaching 52°F or higher on April 1, closely tracking the National Weather Service climatological normal high of 53.3°F at O'Hare Airport, while distributing remaining odds across cooler bins like 48-49°F (20%) due to forecast uncertainty from an active early-April pattern. Recent GFS and ECMWF model runs indicate ensemble highs clustering near 50°F amid potential showers or thunderstorms shifting into the Midwest, influenced by a progressing frontal boundary and variable jet stream positioning typical of spring transitions. No major deviations in the past week, but NWS Chicago forecast updates and new 12Z model cycles will refine landfall timing and cloud cover impacts before resolution.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jourHighest temperature in Chicago on April 1?
Highest temperature in Chicago on April 1?
52°F or higher 39%
42-43°F 19%
48-49°F 18%
46-47°F 17%
33°F or below
<1%
34-35°F
1%
36-37°F
2%
38-39°F
11%
40-41°F
8%
42-43°F
11%
44-45°F
13%
46-47°F
17%
48-49°F
18%
50-51°F
15%
52°F or higher
39%
52°F or higher 39%
42-43°F 19%
48-49°F 18%
46-47°F 17%
33°F or below
<1%
34-35°F
1%
36-37°F
2%
38-39°F
11%
40-41°F
8%
42-43°F
11%
44-45°F
13%
46-47°F
17%
48-49°F
18%
50-51°F
15%
52°F or higher
39%
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.
Marché ouvert : Mar 29, 2026, 2:29 PM ET
Resolution Source
https://www.wunderground.com/history/daily/us/il/chicago/KORDResolver
0x69c47De9D...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.
Resolution Source
https://www.wunderground.com/history/daily/us/il/chicago/KORDResolver
0x69c47De9D...Trader consensus on Polymarket assigns a 37.5% implied probability to Chicago reaching 52°F or higher on April 1, closely tracking the National Weather Service climatological normal high of 53.3°F at O'Hare Airport, while distributing remaining odds across cooler bins like 48-49°F (20%) due to forecast uncertainty from an active early-April pattern. Recent GFS and ECMWF model runs indicate ensemble highs clustering near 50°F amid potential showers or thunderstorms shifting into the Midwest, influenced by a progressing frontal boundary and variable jet stream positioning typical of spring transitions. No major deviations in the past week, but NWS Chicago forecast updates and new 12Z model cycles will refine landfall timing and cloud cover impacts before resolution.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jour
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