National Weather Service forecasts and model consensus from GFS and ECMWF ensembles position Miami's May 15 high temperature in the 88-93°F range, with trader-implied odds peaking at 45% for 90-91°F, reflecting upper-air ridging and warm sea surface temperatures near 82°F supporting above-normal warmth amid climatological May averages of 86°F at Miami International Airport. Recent observations show a 91°F peak on May 13 followed by a subtle cooldown on May 14 due to increased humidity and sea-breeze-driven convection, capping potential intensification and shifting probabilities downward from hotter bins. Inherent forecast uncertainty stems from afternoon shower timing and cloud cover, with 12Z model runs expected Thursday afternoon potentially refining guidance ahead of resolution based on official airport 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 Miami on May 15?
Highest temperature in Miami on May 15?
90-91°F 46%
88-89°F 26%
92-93°F 18%
86-87°F 9%
$14,117 Vol.
$14,117 Vol.
81°F or below
<1%
82-83°F
<1%
84-85°F
1%
86-87°F
9%
88-89°F
26%
90-91°F
46%
92-93°F
18%
94-95°F
4%
96-97°F
<1%
98-99°F
1%
100°F or higher
<1%
90-91°F 46%
88-89°F 26%
92-93°F 18%
86-87°F 9%
$14,117 Vol.
$14,117 Vol.
81°F or below
<1%
82-83°F
<1%
84-85°F
1%
86-87°F
9%
88-89°F
26%
90-91°F
46%
92-93°F
18%
94-95°F
4%
96-97°F
<1%
98-99°F
1%
100°F or higher
<1%
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 Miami Intl Airport Station once information is finalized, 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 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 13, 2026, 12:05 AM ET
Resolution Source
https://www.wunderground.com/history/daily/us/fl/miami/KMIAResolver
0x69c47De9D...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 Miami Intl Airport Station once information is finalized, 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 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/fl/miami/KMIAResolver
0x69c47De9D...National Weather Service forecasts and model consensus from GFS and ECMWF ensembles position Miami's May 15 high temperature in the 88-93°F range, with trader-implied odds peaking at 45% for 90-91°F, reflecting upper-air ridging and warm sea surface temperatures near 82°F supporting above-normal warmth amid climatological May averages of 86°F at Miami International Airport. Recent observations show a 91°F peak on May 13 followed by a subtle cooldown on May 14 due to increased humidity and sea-breeze-driven convection, capping potential intensification and shifting probabilities downward from hotter bins. Inherent forecast uncertainty stems from afternoon shower timing and cloud cover, with 12Z model runs expected Thursday afternoon potentially refining guidance ahead of resolution based on official airport observations.
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