Recent ensemble model guidance from the National Weather Service favors a daily maximum near 88–89°F in Atlanta on May 19, with southerly flow ahead of a weak cold front supplying warm, moist air while limited afternoon cloud cover allows strong solar heating. Differences among the leading bins hinge on precise timing of any high-level moisture and boundary-layer mixing; earlier or thicker cloud decks could cap readings at 86–87°F, whereas clearer skies and stronger insolation support a brief push into the low 90s. Historical May climatology shows typical highs of 83–85°F, so current conditions represent a modest positive anomaly driven by the prevailing ridge. Updated model runs tonight and tomorrow morning will refine these thresholds ahead of market resolution.
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 May 19?
88-89°F 32%
86-87°F 27%
90-91°F 25%
84-85°F 8%
79°F or below
<1%
80-81°F
1%
82-83°F
4%
84-85°F
8%
86-87°F
27%
88-89°F
32%
90-91°F
25%
92-93°F
6%
94-95°F
2%
96-97°F
<1%
98°F or higher
<1%
88-89°F 32%
86-87°F 27%
90-91°F 25%
84-85°F 8%
79°F or below
<1%
80-81°F
1%
82-83°F
4%
84-85°F
8%
86-87°F
27%
88-89°F
32%
90-91°F
25%
92-93°F
6%
94-95°F
2%
96-97°F
<1%
98°F or higher
<1%
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: May 17, 2026, 12:04 AM ET
Resolution Source
https://www.wunderground.com/history/daily/us/ga/atlanta/KATLThe 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/KATLRecent ensemble model guidance from the National Weather Service favors a daily maximum near 88–89°F in Atlanta on May 19, with southerly flow ahead of a weak cold front supplying warm, moist air while limited afternoon cloud cover allows strong solar heating. Differences among the leading bins hinge on precise timing of any high-level moisture and boundary-layer mixing; earlier or thicker cloud decks could cap readings at 86–87°F, whereas clearer skies and stronger insolation support a brief push into the low 90s. Historical May climatology shows typical highs of 83–85°F, so current conditions represent a modest positive anomaly driven by the prevailing ridge. Updated model runs tonight and tomorrow morning will refine these thresholds ahead of market resolution.
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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