**Current forecasts from multiple meteorological sources indicate a maximum temperature in Jeddah on September 20, 2026, most likely between 35–37°C, aligning with the closely matched market-implied odds favoring 36°C and 37°C.** September climatology shows average daily highs near 35–37.5°C under persistent high-pressure conditions, with low precipitation probability and moderate westerly winds moderating coastal humidity. Recent September 2026 observations have featured occasional peaks above 39°C amid above-normal warmth, yet short-term models converge on stable, sunny conditions without significant advection changes or cloud cover that would suppress maxima. Differentiation among 36°C, 37°C, and 38°C hinges on precise boundary-layer mixing and sea-breeze timing; minor forecast revisions from agencies like the National Center for Meteorology could shift resolution within the narrow uncertainty range typical of coastal desert environments two days out.
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 September 20?
37°C 35%
36°C 35%
38°C 21%
35°C 9%
30°C or below
<1%
31°C
<1%
32°C
<1%
33°C
2%
34°C
1%
35°C
9%
36°C
35%
37°C
35%
38°C
21%
39°C
5%
40°C or higher
<1%
37°C 35%
36°C 35%
38°C 21%
35°C 9%
30°C or below
<1%
31°C
<1%
32°C
<1%
33°C
2%
34°C
1%
35°C
9%
36°C
35%
37°C
35%
38°C
21%
39°C
5%
40°C 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=oejn
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
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: Sep 18, 2026, 12:58 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=oejnResolver
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=oejn
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
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.
Resolution Source
https://www.weather.gov/wrh/timeseries?site=oejnResolver
0x69c47De9D...**Current forecasts from multiple meteorological sources indicate a maximum temperature in Jeddah on September 20, 2026, most likely between 35–37°C, aligning with the closely matched market-implied odds favoring 36°C and 37°C.** September climatology shows average daily highs near 35–37.5°C under persistent high-pressure conditions, with low precipitation probability and moderate westerly winds moderating coastal humidity. Recent September 2026 observations have featured occasional peaks above 39°C amid above-normal warmth, yet short-term models converge on stable, sunny conditions without significant advection changes or cloud cover that would suppress maxima. Differentiation among 36°C, 37°C, and 38°C hinges on precise boundary-layer mixing and sea-breeze timing; minor forecast revisions from agencies like the National Center for Meteorology could shift resolution within the narrow uncertainty range typical of coastal desert environments two days out.
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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