Official National Weather Service observations at Houston Hobby Airport (KHOU), the market's designated station, confirm the highest temperature on March 27 reached 85°F around 4 p.m. local time, driving trader consensus to 100% implied probability for the 84-85°F outcome amid light southerly winds and a dominant high-pressure ridge over Texas that suppressed clouds and fostered daytime heating. This peak aligns with short-range forecast models from NOAA showing highs in the mid-80s under persistent warm advection from the south, following an unusually hot early March pattern with prior record ties near 87°F. Scenarios challenging this positioning—such as a rare post hoc data revision from sensor recalibration or inclusion of an overlooked non-official reading—remain highly improbable given verified hourly logs and standardized measurement protocols.
Experimental AI-generated summary referencing Polymarket data · UpdatedHighest temperature in Houston on March 27?
Highest temperature in Houston on March 27?
84-85°F 100.0%
75°F or below <1%
76-77°F <1%
78-79°F <1%
$134,969 Vol.
$134,969 Vol.
75°F or below
No
76-77°F
No
78-79°F
No
80-81°F
No
82-83°F
No
84-85°F
Yes
86-87°F
No
88-89°F
No
90-91°F
No
92-93°F
No
94°F or higher
No
84-85°F 100.0%
75°F or below <1%
76-77°F <1%
78-79°F <1%
$134,969 Vol.
$134,969 Vol.
75°F or below
No
76-77°F
No
78-79°F
No
80-81°F
No
82-83°F
No
84-85°F
Yes
86-87°F
No
88-89°F
No
90-91°F
No
92-93°F
No
94°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 William P. Hobby Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/us/tx/houston/KHOU.
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: Mar 23, 2026, 6:23 AM ET
Resolution Source
https://www.wunderground.com/history/daily/us/tx/houston/KHOUResolver
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 William P. Hobby Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/us/tx/houston/KHOU.
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/houston/KHOUResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Official National Weather Service observations at Houston Hobby Airport (KHOU), the market's designated station, confirm the highest temperature on March 27 reached 85°F around 4 p.m. local time, driving trader consensus to 100% implied probability for the 84-85°F outcome amid light southerly winds and a dominant high-pressure ridge over Texas that suppressed clouds and fostered daytime heating. This peak aligns with short-range forecast models from NOAA showing highs in the mid-80s under persistent warm advection from the south, following an unusually hot early March pattern with prior record ties near 87°F. Scenarios challenging this positioning—such as a rare post hoc data revision from sensor recalibration or inclusion of an overlooked non-official reading—remain highly improbable given verified hourly logs and standardized measurement protocols.
Experimental AI-generated summary referencing Polymarket data · Updated



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