Official observations from the National Weather Service at Austin-Bergstrom International Airport (KAUS) confirm the highest temperature on April 17, 2026, reached 89°F at 2:52 PM CDT, driving trader consensus to 100% implied probability for the 88-89°F outcome on Polymarket. This peak aligned with southerly winds sustaining above-normal warmth—9°F departure from the April average of 80°F—ahead of a late-season cold front, under partly sunny skies with minimal cloud cover. Short-range forecast models from NOAA accurately predicted this near-90°F high, reflecting consensus on upper-air ridging and low precipitation risk. Scenarios challenging this include rare post hoc data revisions from ASOS instrumentation audits or discrepancies in Weather Underground archives, though official NWS reports carry authoritative weight for 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 Austin on April 17?
88-89°F 100.0%
77°F or below <1%
78-79°F <1%
80-81°F <1%
$71,817 Vol.
$71,817 Vol.
77°F or below
No
78-79°F
No
80-81°F
No
82-83°F
No
84-85°F
No
86-87°F
No
88-89°F
Yes
90-91°F
No
92-93°F
No
94-95°F
No
96°F or higher
No
88-89°F 100.0%
77°F or below <1%
78-79°F <1%
80-81°F <1%
$71,817 Vol.
$71,817 Vol.
77°F or below
No
78-79°F
No
80-81°F
No
82-83°F
No
84-85°F
No
86-87°F
No
88-89°F
Yes
90-91°F
No
92-93°F
No
94-95°F
No
96°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 Austin-Bergstrom International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/us/tx/austin/KAUS.
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 15, 2026, 6:05 AM ET
Resolution Source
https://www.wunderground.com/history/daily/us/tx/austin/KAUSResolver
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 Austin-Bergstrom International Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/us/tx/austin/KAUS.
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/tx/austin/KAUSResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Official observations from the National Weather Service at Austin-Bergstrom International Airport (KAUS) confirm the highest temperature on April 17, 2026, reached 89°F at 2:52 PM CDT, driving trader consensus to 100% implied probability for the 88-89°F outcome on Polymarket. This peak aligned with southerly winds sustaining above-normal warmth—9°F departure from the April average of 80°F—ahead of a late-season cold front, under partly sunny skies with minimal cloud cover. Short-range forecast models from NOAA accurately predicted this near-90°F high, reflecting consensus on upper-air ridging and low precipitation risk. Scenarios challenging this include rare post hoc data revisions from ASOS instrumentation audits or discrepancies in Weather Underground archives, though official NWS reports carry authoritative weight for 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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