National Weather Service forecasts project a high near 92°F in Miami on August 21 under mostly sunny to partly cloudy conditions, with a 30-40% chance of afternoon thunderstorms and heat index values up to 111°F. This aligns with typical late-summer patterns where sea breeze and humidity moderate extremes, following the August 14 record of 96°F. Model consensus from NOAA and AccuWeather places daily maxima in the low 90s, consistent with the 89°F August average and supporting the 55.5% market-implied odds on 92-93°F versus lower probabilities for 94°F-plus outcomes that would require atypical suppression of convection. Updated NHC and local office briefings through the day remain key for any late adjustments.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Miami on August 21?
Highest temperature in Miami on August 21?
92-93°F 54%
90-91°F 33%
94-95°F 14%
88-89°F 3%
NEW
$22,183 Vol.
NEW
$22,183 Vol.
Aug 21, 2026
85°F or below
<1%
86-87°F
1%
88-89°F
3%
90-91°F
33%
92-93°F
54%
94-95°F
14%
96-97°F
1%
98-99°F
<1%
100-101°F
<1%
102-103°F
<1%
104°F or higher
<1%
92-93°F 54%
90-91°F 33%
94-95°F 14%
88-89°F 3%
NEW
$22,183 Vol.
NEW
$22,183 Vol.
Aug 21, 2026
85°F or below
$287 Vol.
<1%
86-87°F
$2,553 Vol.
1%
88-89°F
$1,094 Vol.
3%
90-91°F
$2,553 Vol.
33%
92-93°F
$3,405 Vol.
54%
94-95°F
$3,098 Vol.
14%
96-97°F
$1,422 Vol.
1%
98-99°F
$6,406 Vol.
<1%
100-101°F
$412 Vol.
<1%
102-103°F
$568 Vol.
<1%
104°F or higher
$385 Vol.
<1%
This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.
This market will resolve to the temperature range that contains the highest temperature recorded at the Miami Intl Airport Station in degrees Fahrenheit on 21 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 Miami Intl Airport Station, available here: https://www.wunderground.com/history/daily/us/fl/miami/KMIA.
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.National Weather Service forecasts project a high near 92°F in Miami on August 21 under mostly sunny to partly cloudy conditions, with a 30-40% chance of afternoon thunderstorms and heat index values up to 111°F. This aligns with typical late-summer patterns where sea breeze and humidity moderate extremes, following the August 14 record of 96°F. Model consensus from NOAA and AccuWeather places daily maxima in the low 90s, consistent with the 89°F August average and supporting the 55.5% market-implied odds on 92-93°F versus lower probabilities for 94°F-plus outcomes that would require atypical suppression of convection. Updated NHC and local office briefings through the day remain key for any late adjustments.
This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.
This market will resolve to the temperature range that contains the highest temperature recorded at the Miami Intl Airport Station in degrees Fahrenheit on 21 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 Miami Intl Airport Station, available here: https://www.wunderground.com/history/daily/us/fl/miami/KMIA.
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.
This market will resolve to the temperature range that contains the highest temperature recorded at the Miami Intl Airport Station in degrees Fahrenheit on 21 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 Miami Intl Airport Station, available here: https://www.wunderground.com/history/daily/us/fl/miami/KMIA.
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 19, 2026, 9:56 PM ET
Volume
$22,183End Date
Aug 21, 2026Market Opened
Aug 19, 2026, 9:56 PM ETResolution Source
https://www.wunderground.com/history/daily/us/fl/miami/KMIAResolver
0x69c47De9D...This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.
This market will resolve to the temperature range that contains the highest temperature recorded at the Miami Intl Airport Station in degrees Fahrenheit on 21 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 Miami Intl Airport Station, available here: https://www.wunderground.com/history/daily/us/fl/miami/KMIA.
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.National Weather Service forecasts project a high near 92°F in Miami on August 21 under mostly sunny to partly cloudy conditions, with a 30-40% chance of afternoon thunderstorms and heat index values up to 111°F. This aligns with typical late-summer patterns where sea breeze and humidity moderate extremes, following the August 14 record of 96°F. Model consensus from NOAA and AccuWeather places daily maxima in the low 90s, consistent with the 89°F August average and supporting the 55.5% market-implied odds on 92-93°F versus lower probabilities for 94°F-plus outcomes that would require atypical suppression of convection. Updated NHC and local office briefings through the day remain key for any late adjustments.
This market will resolve based on the highest temperature recorded in the 'Daily Observations' table on Weather Underground, not the figure displayed in the 'Day High & Low' summary section; in the event of any discrepancy between the two, the Daily Observations table shall be the primary resolution source not the Day High & Low section.
This market will resolve to the temperature range that contains the highest temperature recorded at the Miami Intl Airport Station in degrees Fahrenheit on 21 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 Miami Intl Airport Station, available here: https://www.wunderground.com/history/daily/us/fl/miami/KMIA.
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.
This market will resolve to the temperature range that contains the highest temperature recorded at the Miami Intl Airport Station in degrees Fahrenheit on 21 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 Miami Intl Airport Station, available here: https://www.wunderground.com/history/daily/us/fl/miami/KMIA.
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.
Volume
$22,183End Date
Aug 21, 2026Market Opened
Aug 19, 2026, 9:56 PM ETResolution Source
https://www.wunderground.com/history/daily/us/fl/miami/KMIAResolver
0x69c47De9D...National Weather Service forecasts project a high near 92°F in Miami on August 21 under mostly sunny to partly cloudy conditions, with a 30-40% chance of afternoon thunderstorms and heat index values up to 111°F. This aligns with typical late-summer patterns where sea breeze and humidity moderate extremes, following the August 14 record of 96°F. Model consensus from NOAA and AccuWeather places daily maxima in the low 90s, consistent with the 89°F August average and supporting the 55.5% market-implied odds on 92-93°F versus lower probabilities for 94°F-plus outcomes that would require atypical suppression of convection. Updated NHC and local office briefings through the day remain key for any late adjustments.
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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