Official National Weather Service observations from Hartsfield-Jackson Atlanta International Airport (KATL) confirm the highest temperature on April 26, 2026, peaked at 83°F around 2:50 PM under mostly sunny skies with no precipitation, driving Polymarket's 100% implied probability on the 82-83°F outcome as traders incorporate this verified Automated Surface Observing System (ASOS) data. This matches pre-event National Weather Service forecasts anticipating highs near 83°F amid light southerly winds and above-normal April climatology (average max ~76°F), reflecting stable synoptic patterns with ridging aloft. Realistic challenges are minimal—only a rare NOAA data audit or quality control revision could alter the record, though such adjustments for daily maxima are exceedingly uncommon post-validation. Market resolution awaits final Weather Underground alignment with NWS data.
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 26?
82-83°F 100.0%
73°F or below <1%
74-75°F <1%
76-77°F <1%
$69,566 Vol.
$69,566 Vol.
73°F or below
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
88-89°F
No
90-91°F
No
92°F or higher
No
82-83°F 100.0%
73°F or below <1%
74-75°F <1%
76-77°F <1%
$69,566 Vol.
$69,566 Vol.
73°F or below
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
88-89°F
No
90-91°F
No
92°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 24, 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 26, 2026, peaked at 83°F around 2:50 PM under mostly sunny skies with no precipitation, driving Polymarket's 100% implied probability on the 82-83°F outcome as traders incorporate this verified Automated Surface Observing System (ASOS) data. This matches pre-event National Weather Service forecasts anticipating highs near 83°F amid light southerly winds and above-normal April climatology (average max ~76°F), reflecting stable synoptic patterns with ridging aloft. Realistic challenges are minimal—only a rare NOAA data audit or quality control revision could alter the record, though such adjustments for daily maxima are exceedingly uncommon post-validation. Market resolution awaits final Weather Underground alignment with NWS data.
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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