National Weather Service forecasts and ensemble models have converged on a daily high near 88°F for Atlanta on May 17, driven by a strengthening upper-level ridge that promotes subsidence, limited cloud cover, and peak solar insolation under light southerly flow. This pattern has pushed temperatures above the seasonal May average of 84–85°F, producing the market’s near-certain 100% implied probability for the 88-89°F bin. Official readings from Hartsfield-Jackson Atlanta International Airport (KATL) will confirm the exact peak, though realistic challenges remain limited to minor forecast adjustments or localized variations in station 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 May 17?
88-89°F 100.0%
90-91°F <1%
92-93°F <1%
94-95°F <1%
$63,811 Vol.
$63,811 Vol.
88-89°F
100%
90-91°F
<1%
92-93°F
<1%
94-95°F
<1%
96-97°F
<1%
98°F or higher
<1%
88-89°F 100.0%
90-91°F <1%
92-93°F <1%
94-95°F <1%
$63,811 Vol.
$63,811 Vol.
88-89°F
100%
90-91°F
<1%
92-93°F
<1%
94-95°F
<1%
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 15, 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/KATLNational Weather Service forecasts and ensemble models have converged on a daily high near 88°F for Atlanta on May 17, driven by a strengthening upper-level ridge that promotes subsidence, limited cloud cover, and peak solar insolation under light southerly flow. This pattern has pushed temperatures above the seasonal May average of 84–85°F, producing the market’s near-certain 100% implied probability for the 88-89°F bin. Official readings from Hartsfield-Jackson Atlanta International Airport (KATL) will confirm the exact peak, though realistic challenges remain limited to minor forecast adjustments or localized variations in station 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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