Recent National Weather Service and ensemble model guidance forecast a sunny 102°F high for Houston on August 23 amid southwest flow and minimal cloud cover, placing the 100-101°F bin at the center of trader focus. Persistent ridging and above-normal soil moisture deficits have sustained a multi-day heat wave, with recent highs near 98-101°F and heat indices exceeding 108°F, limiting overnight cooling and supporting elevated afternoon maxima relative to the 93°F late-August climatology. Limited afternoon convection risk and model agreement on subsidence warming keep probabilities concentrated in the upper 90s to low 100s, though small spreads in boundary-layer mixing or exact station readings introduce modest uncertainty ahead of final observations.
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 August 23?
100-101°F 47%
98-99°F 32%
102-103°F 13%
104-105°F 5%
93°F or below
<1%
94-95°F
<1%
96-97°F
3%
98-99°F
32%
100-101°F
47%
102-103°F
13%
104-105°F
5%
106-107°F
<1%
108-109°F
<1%
110-111°F
<1%
112°F or higher
<1%
100-101°F 47%
98-99°F 32%
102-103°F 13%
104-105°F 5%
93°F or below
<1%
94-95°F
<1%
96-97°F
3%
98-99°F
32%
100-101°F
47%
102-103°F
13%
104-105°F
5%
106-107°F
<1%
108-109°F
<1%
110-111°F
<1%
112°F or higher
<1%
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=khou
To toggle between Fahrenheit and Celsius, click the "Switch to US Units w/ kts" button until the relevant table displays °F.
This market can not resolve until the first data point for the following date has been published on the resolution source.
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.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Market Opened: Aug 21, 2026, 11:57 PM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=khouResolver
0x69c47De9D...The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=khou
To toggle between Fahrenheit and Celsius, click the "Switch to US Units w/ kts" button until the relevant table displays °F.
This market can not resolve until the first data point for the following date has been published on the resolution source.
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.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Resolution Source
https://www.weather.gov/wrh/timeseries?site=khouResolver
0x69c47De9D...Recent National Weather Service and ensemble model guidance forecast a sunny 102°F high for Houston on August 23 amid southwest flow and minimal cloud cover, placing the 100-101°F bin at the center of trader focus. Persistent ridging and above-normal soil moisture deficits have sustained a multi-day heat wave, with recent highs near 98-101°F and heat indices exceeding 108°F, limiting overnight cooling and supporting elevated afternoon maxima relative to the 93°F late-August climatology. Limited afternoon convection risk and model agreement on subsidence warming keep probabilities concentrated in the upper 90s to low 100s, though small spreads in boundary-layer mixing or exact station readings introduce modest uncertainty ahead of final observations.
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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