Official National Weather Service observations from Hartsfield-Jackson Atlanta International Airport (KATL) confirm the highest temperature on April 29, 2026, reached 83°F at 4:00 PM local time, as detailed in the daily climatological report—locking in trader consensus at 100% implied probability for the 82-83°F bin. This peak resulted from a high-pressure ridge promoting clear skies, light winds, and efficient surface heating after morning clouds dissipated, exceeding the April climatological normal of 77°F but falling short of the 88°F record. Model forecasts like the GFS had hinted at upper-70s potential, but actual radiational cooling overnight and solar insolation drove the outcome. With data validated via ASOS instrumentation, challenges would require rare quality-control revisions from NOAA archives, an improbable shift given the station's reliability. Final Weather Underground summaries, used for resolution, reinforce this positioning.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Atlanta on April 29?
82-83°F 100.0%
69°F or below <1%
70-71°F <1%
72-73°F <1%
$145,691 Vol.
$145,691 Vol.
69°F or below
No
70-71°F
No
72-73°F
No
74-75°F
No
76-77°F
No
78-79°F
No
80-81°F
No
82-83°F
Yes
84-85°F
No
86-87°F
No
88°F or higher
No
82-83°F 100.0%
69°F or below <1%
70-71°F <1%
72-73°F <1%
$145,691 Vol.
$145,691 Vol.
69°F or below
No
70-71°F
No
72-73°F
No
74-75°F
No
76-77°F
No
78-79°F
No
80-81°F
No
82-83°F
Yes
84-85°F
No
86-87°F
No
88°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 Hartsfield-Jackson International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/us/ga/atlanta/KATL.
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: Apr 27, 2026, 12:09 AM ET
Resolution Source
https://www.wunderground.com/history/daily/us/ga/atlanta/KATLResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: 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 Hartsfield-Jackson International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/us/ga/atlanta/KATL.
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/ga/atlanta/KATLResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Official National Weather Service observations from Hartsfield-Jackson Atlanta International Airport (KATL) confirm the highest temperature on April 29, 2026, reached 83°F at 4:00 PM local time, as detailed in the daily climatological report—locking in trader consensus at 100% implied probability for the 82-83°F bin. This peak resulted from a high-pressure ridge promoting clear skies, light winds, and efficient surface heating after morning clouds dissipated, exceeding the April climatological normal of 77°F but falling short of the 88°F record. Model forecasts like the GFS had hinted at upper-70s potential, but actual radiational cooling overnight and solar insolation drove the outcome. With data validated via ASOS instrumentation, challenges would require rare quality-control revisions from NOAA archives, an improbable shift given the station's reliability. Final Weather Underground summaries, used for resolution, reinforce this positioning.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated

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