Recent forecasts and climatological data position 37°C as the leading outcome for Jeddah's August 21 high, with market-implied odds reflecting trader consensus around typical late-summer conditions. Persistent subtropical high pressure, clear skies, and strong solar insolation drive daytime heating in this Red Sea coastal zone, while sea breezes provide modest moderation compared to inland Saudi sites. Mid-August 2026 observations show daily maxima near or slightly above the 37–38°C August average, with no major synoptic shifts or unusual humidity spikes altering the outlook. Short-term model runs through the 21st maintain this range, underscoring low uncertainty for extremes outside 36–39°C.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Jeddah on August 21?
Highest temperature in Jeddah on August 21?
38°C 45%
37°C 38%
39°C or higher 16%
36°C 6%
NEW
NEW
Aug 21, 2026
29°C or below
<1%
30°C
<1%
31°C
<1%
32°C
<1%
33°C
1%
34°C
4%
35°C
5%
36°C
6%
37°C
38%
38°C
27%
39°C or higher
16%
38°C 45%
37°C 38%
39°C or higher 16%
36°C 6%
NEW
NEW
Aug 21, 2026
29°C or below
$339 Vol.
<1%
30°C
$326 Vol.
<1%
31°C
$321 Vol.
<1%
32°C
$38 Vol.
<1%
33°C
$23 Vol.
1%
34°C
$10 Vol.
4%
35°C
$30 Vol.
5%
36°C
$10 Vol.
6%
37°C
$45 Vol.
38%
38°C
$20 Vol.
27%
39°C or higher
$76 Vol.
16%
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 King Abdulaziz International Airport Station in degrees Celsius 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 King Abdulaziz International Airport Station, available here: https://www.wunderground.com/history/daily/sa/jeddah/OEJN.
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 Celsius (eg, 9°C). 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.Recent forecasts and climatological data position 37°C as the leading outcome for Jeddah's August 21 high, with market-implied odds reflecting trader consensus around typical late-summer conditions. Persistent subtropical high pressure, clear skies, and strong solar insolation drive daytime heating in this Red Sea coastal zone, while sea breezes provide modest moderation compared to inland Saudi sites. Mid-August 2026 observations show daily maxima near or slightly above the 37–38°C August average, with no major synoptic shifts or unusual humidity spikes altering the outlook. Short-term model runs through the 21st maintain this range, underscoring low uncertainty for extremes outside 36–39°C.
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 King Abdulaziz International Airport Station in degrees Celsius 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 King Abdulaziz International Airport Station, available here: https://www.wunderground.com/history/daily/sa/jeddah/OEJN.
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 Celsius (eg, 9°C). 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 King Abdulaziz International Airport Station in degrees Celsius 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 King Abdulaziz International Airport Station, available here: https://www.wunderground.com/history/daily/sa/jeddah/OEJN.
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 Celsius (eg, 9°C). 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, 12:57 AM ET
Volume
$1,118End Date
Aug 21, 2026Market Opened
Aug 19, 2026, 12:57 AM ETResolution Source
https://www.wunderground.com/history/daily/sa/jeddah/OEJNResolver
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 King Abdulaziz International Airport Station in degrees Celsius 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 King Abdulaziz International Airport Station, available here: https://www.wunderground.com/history/daily/sa/jeddah/OEJN.
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 Celsius (eg, 9°C). 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.Recent forecasts and climatological data position 37°C as the leading outcome for Jeddah's August 21 high, with market-implied odds reflecting trader consensus around typical late-summer conditions. Persistent subtropical high pressure, clear skies, and strong solar insolation drive daytime heating in this Red Sea coastal zone, while sea breezes provide modest moderation compared to inland Saudi sites. Mid-August 2026 observations show daily maxima near or slightly above the 37–38°C August average, with no major synoptic shifts or unusual humidity spikes altering the outlook. Short-term model runs through the 21st maintain this range, underscoring low uncertainty for extremes outside 36–39°C.
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 King Abdulaziz International Airport Station in degrees Celsius 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 King Abdulaziz International Airport Station, available here: https://www.wunderground.com/history/daily/sa/jeddah/OEJN.
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 Celsius (eg, 9°C). 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 King Abdulaziz International Airport Station in degrees Celsius 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 King Abdulaziz International Airport Station, available here: https://www.wunderground.com/history/daily/sa/jeddah/OEJN.
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 Celsius (eg, 9°C). 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
$1,118End Date
Aug 21, 2026Market Opened
Aug 19, 2026, 12:57 AM ETResolution Source
https://www.wunderground.com/history/daily/sa/jeddah/OEJNResolver
0x69c47De9D...Recent forecasts and climatological data position 37°C as the leading outcome for Jeddah's August 21 high, with market-implied odds reflecting trader consensus around typical late-summer conditions. Persistent subtropical high pressure, clear skies, and strong solar insolation drive daytime heating in this Red Sea coastal zone, while sea breezes provide modest moderation compared to inland Saudi sites. Mid-August 2026 observations show daily maxima near or slightly above the 37–38°C August average, with no major synoptic shifts or unusual humidity spikes altering the outlook. Short-term model runs through the 21st maintain this range, underscoring low uncertainty for extremes outside 36–39°C.
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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