Recent National Weather Service and ensemble forecast models show Houston temperatures on May 19 likely peaking in the upper 80s under a southerly flow drawing Gulf moisture, with afternoon convection and partial cloud cover acting as the main variables that could cap the daily maximum below 90°F. Historical May climatology for the area centers on highs near 86°F, but current guidance highlights modest warming from above-average Gulf sea-surface temperatures offset by scattered thunderstorm chances that reduce insolation. Traders are weighting the close spread between 88–89°F and 90°F-plus outcomes because minor shifts in storm timing or dew-point levels can swing the observed high by several degrees before official verification at Bush Intercontinental Airport.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Houston on May 19?
Highest temperature in Houston on May 19?
90°F or higher 35%
88-89°F 27%
86-87°F 21%
84-85°F 19%
NEW
NEW
May 19, 2026
71°F or below
1%
72-73°F
1%
74-75°F
1%
76-77°F
2%
78-79°F
2%
80-81°F
4%
82-83°F
4%
84-85°F
19%
86-87°F
21%
88-89°F
27%
90°F or higher
35%
90°F or higher 35%
88-89°F 27%
86-87°F 21%
84-85°F 19%
NEW
NEW
May 19, 2026
71°F or below
$10 Vol.
1%
72-73°F
$5 Vol.
1%
74-75°F
$10 Vol.
1%
76-77°F
$5 Vol.
2%
78-79°F
$0 Vol.
2%
80-81°F
$0 Vol.
4%
82-83°F
$0 Vol.
4%
84-85°F
$0 Vol.
19%
86-87°F
$0 Vol.
21%
88-89°F
$0 Vol.
27%
90°F or higher
$0 Vol.
35%
This market will resolve to the temperature range that contains the highest temperature recorded at the William P. Hobby Airport Station in degrees Fahrenheit on 19 May '26.
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.Recent National Weather Service and ensemble forecast models show Houston temperatures on May 19 likely peaking in the upper 80s under a southerly flow drawing Gulf moisture, with afternoon convection and partial cloud cover acting as the main variables that could cap the daily maximum below 90°F. Historical May climatology for the area centers on highs near 86°F, but current guidance highlights modest warming from above-average Gulf sea-surface temperatures offset by scattered thunderstorm chances that reduce insolation. Traders are weighting the close spread between 88–89°F and 90°F-plus outcomes because minor shifts in storm timing or dew-point levels can swing the observed high by several degrees before official verification at Bush Intercontinental Airport.
This market will resolve to the temperature range that contains the highest temperature recorded at the William P. Hobby Airport Station in degrees Fahrenheit on 19 May '26.
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.
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: May 17, 2026, 12:05 AM ET
Volume
$30End Date
May 19, 2026Market Opened
May 17, 2026, 12:05 AM ETResolution Source
https://www.wunderground.com/history/daily/us/tx/houston/KHOUThis market will resolve to the temperature range that contains the highest temperature recorded at the William P. Hobby Airport Station in degrees Fahrenheit on 19 May '26.
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.Recent National Weather Service and ensemble forecast models show Houston temperatures on May 19 likely peaking in the upper 80s under a southerly flow drawing Gulf moisture, with afternoon convection and partial cloud cover acting as the main variables that could cap the daily maximum below 90°F. Historical May climatology for the area centers on highs near 86°F, but current guidance highlights modest warming from above-average Gulf sea-surface temperatures offset by scattered thunderstorm chances that reduce insolation. Traders are weighting the close spread between 88–89°F and 90°F-plus outcomes because minor shifts in storm timing or dew-point levels can swing the observed high by several degrees before official verification at Bush Intercontinental Airport.
This market will resolve to the temperature range that contains the highest temperature recorded at the William P. Hobby Airport Station in degrees Fahrenheit on 19 May '26.
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.
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.
Volume
$30End Date
May 19, 2026Market Opened
May 17, 2026, 12:05 AM ETResolution Source
https://www.wunderground.com/history/daily/us/tx/houston/KHOURecent National Weather Service and ensemble forecast models show Houston temperatures on May 19 likely peaking in the upper 80s under a southerly flow drawing Gulf moisture, with afternoon convection and partial cloud cover acting as the main variables that could cap the daily maximum below 90°F. Historical May climatology for the area centers on highs near 86°F, but current guidance highlights modest warming from above-average Gulf sea-surface temperatures offset by scattered thunderstorm chances that reduce insolation. Traders are weighting the close spread between 88–89°F and 90°F-plus outcomes because minor shifts in storm timing or dew-point levels can swing the observed high by several degrees before official verification at Bush Intercontinental Airport.
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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