National Weather Service forecasts and ensemble models from GFS and ECMWF peg Chicago's high temperature on March 24 at 50-51°F, driving the market's 100% consensus on this bin amid overcast skies, light northerly winds, and seasonal norms. Historical data from NOAA shows March 24 averages around 48°F, with recent observations confirming cool air mass dominance after winter-like conditions. This positioning reflects low uncertainty in short-range projections, as verified upper-air analyses indicate stable capping inversion limiting warm-air advection. Realistic challenges include an unforeseen southerly wind shift or rapid cloud clearance boosting insolation, potentially yielding 52°F+—scenarios with mere 1-2% odds in model spreads.
Experimental AI-generated summary referencing Polymarket data · UpdatedHighest temperature in Chicago on March 24?
Highest temperature in Chicago on March 24?
50-51°F 100.0%
37°F or below <1%
38-39°F <1%
40-41°F <1%
$169,151 Vol.
$169,151 Vol.
37°F or below
No
38-39°F
No
40-41°F
No
42-43°F
No
44-45°F
No
46-47°F
No
48-49°F
No
50-51°F
Yes
52-53°F
No
54-55°F
No
56°F or higher
No
50-51°F 100.0%
37°F or below <1%
38-39°F <1%
40-41°F <1%
$169,151 Vol.
$169,151 Vol.
37°F or below
No
38-39°F
No
40-41°F
No
42-43°F
No
44-45°F
No
46-47°F
No
48-49°F
No
50-51°F
Yes
52-53°F
No
54-55°F
No
56°F or higher
No
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.
Market Opened: Mar 20, 2026, 6:02 AM ET
Resolution Source
https://www.wunderground.com/history/daily/us/il/chicago/KORDResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Resolution Source
https://www.wunderground.com/history/daily/us/il/chicago/KORDResolver
0x69c47De9D...National Weather Service forecasts and ensemble models from GFS and ECMWF peg Chicago's high temperature on March 24 at 50-51°F, driving the market's 100% consensus on this bin amid overcast skies, light northerly winds, and seasonal norms. Historical data from NOAA shows March 24 averages around 48°F, with recent observations confirming cool air mass dominance after winter-like conditions. This positioning reflects low uncertainty in short-range projections, as verified upper-air analyses indicate stable capping inversion limiting warm-air advection. Realistic challenges include an unforeseen southerly wind shift or rapid cloud clearance boosting insolation, potentially yielding 52°F+—scenarios with mere 1-2% odds in model spreads.
Experimental AI-generated summary referencing Polymarket data · Updated
Beware of external links.
Beware of external links.
Frequently Asked Questions