Persistent high-pressure ridging across the southern Plains has sustained above-normal temperatures in Central Texas, with National Weather Service guidance projecting a daily high near 100–103°F for Austin on August 19 under mostly sunny skies and light southerly flow. Model consensus favors limited cloud cover and minimal precipitation, allowing strong daytime insolation and surface heating, while climatological August averages near 96–100°F provide context for the elevated readings. Slight differences in dewpoint advection or afternoon convective development could tip the outcome between the closely matched 100–101°F and 102–103°F bins, which together capture over 60% of market-implied probability. Updated short-range model runs and official National Weather Service briefings tomorrow morning represent the next key data points 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 August 19?
102-103°F 52%
100-101°F 39%
106-107°F 18%
98-99°F 15%
93°F or below
<1%
94-95°F
1%
96-97°F
9%
98-99°F
15%
100-101°F
39%
102-103°F
32%
104-105°F
7%
106-107°F
18%
108-109°F
7%
110-111°F
4%
112°F or higher
1%
102-103°F 52%
100-101°F 39%
106-107°F 18%
98-99°F 15%
93°F or below
<1%
94-95°F
1%
96-97°F
9%
98-99°F
15%
100-101°F
39%
102-103°F
32%
104-105°F
7%
106-107°F
18%
108-109°F
7%
110-111°F
4%
112°F or higher
1%
This market will resolve to the temperature range that contains the highest temperature recorded at the Austin-Bergstrom International Airport Station in degrees Fahrenheit on 19 Aug '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Austin-Bergstrom International Airport Station, 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 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 17, 2026, 9:56 PM ET
Resolution Source
https://www.wunderground.com/history/daily/us/tx/austin/KAUSResolver
0x69c47De9D...This market will resolve to the temperature range that contains the highest temperature recorded at the Austin-Bergstrom International Airport Station in degrees Fahrenheit on 19 Aug '26.
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Austin-Bergstrom International Airport Station, 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 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.wunderground.com/history/daily/us/tx/austin/KAUSResolver
0x69c47De9D...Persistent high-pressure ridging across the southern Plains has sustained above-normal temperatures in Central Texas, with National Weather Service guidance projecting a daily high near 100–103°F for Austin on August 19 under mostly sunny skies and light southerly flow. Model consensus favors limited cloud cover and minimal precipitation, allowing strong daytime insolation and surface heating, while climatological August averages near 96–100°F provide context for the elevated readings. Slight differences in dewpoint advection or afternoon convective development could tip the outcome between the closely matched 100–101°F and 102–103°F bins, which together capture over 60% of market-implied probability. Updated short-range model runs and official National Weather Service briefings tomorrow morning represent the next key data points for resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated

Beware of external links.
Beware of external links.
Frequently Asked Questions