Recent forecasts from multiple models indicate nighttime minimum temperatures in Jeddah around 28–30°C for September 18, consistent with late-summer Red Sea coastal climatology where high humidity (often 60–80%) and light variable winds limit radiative cooling. Model consensus shows stable subsidence and minimal cloud cover, which typically supports these elevated lows rather than sharper drops below 26°C or sustained heat keeping the minimum above 35°C. Key variables include subtle shifts in onshore flow or dew point that could raise or lower the overnight floor by 1–2°C, with updated runs from agencies like the Saudi meteorological service or ECMWF/GFS ensembles expected to refine resolution criteria before the 24-hour observation window closes. Trader positioning reflects this narrow range of plausible outcomes amid typical September variability of roughly ±2°C around the 27°C baseline.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedLowest temperature in Jeddah on September 18?
Lowest temperature in Jeddah on September 18?
25°C or below 100%
35°C or higher 98%
30°C 40%
31°C 40%
NEW
NEW
Sep 18, 2026
25°C or below
100%
26°C
39%
27°C
39%
28°C
39%
29°C
39%
30°C
23%
31°C
40%
32°C
39%
33°C
39%
34°C
39%
35°C or higher
98%
25°C or below 100%
35°C or higher 98%
30°C 40%
31°C 40%
NEW
NEW
Sep 18, 2026
25°C or below
$0 Vol.
100%
26°C
$0 Vol.
39%
27°C
$0 Vol.
39%
28°C
$0 Vol.
39%
29°C
$0 Vol.
39%
30°C
$5 Vol.
23%
31°C
$0 Vol.
40%
32°C
$0 Vol.
39%
33°C
$0 Vol.
39%
34°C
$0 Vol.
39%
35°C or higher
$0 Vol.
98%
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the King Abdulaziz International Airport Station in degrees Celsius on 18 Sep '26.
The resolution source for this market will be information from NOAA, specifically the lowest 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.Recent forecasts from multiple models indicate nighttime minimum temperatures in Jeddah around 28–30°C for September 18, consistent with late-summer Red Sea coastal climatology where high humidity (often 60–80%) and light variable winds limit radiative cooling. Model consensus shows stable subsidence and minimal cloud cover, which typically supports these elevated lows rather than sharper drops below 26°C or sustained heat keeping the minimum above 35°C. Key variables include subtle shifts in onshore flow or dew point that could raise or lower the overnight floor by 1–2°C, with updated runs from agencies like the Saudi meteorological service or ECMWF/GFS ensembles expected to refine resolution criteria before the 24-hour observation window closes. Trader positioning reflects this narrow range of plausible outcomes amid typical September variability of roughly ±2°C around the 27°C baseline.
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the King Abdulaziz International Airport Station in degrees Celsius on 18 Sep '26.
The resolution source for this market will be information from NOAA, specifically the lowest 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.
The resolution source for this market will be information from NOAA, specifically the lowest 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 16, 2026, 12:31 AM ET
Volume
$5End Date
Sep 18, 2026Market Opened
Sep 16, 2026, 12:31 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=oejnResolver
0x69c47De9D...This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the King Abdulaziz International Airport Station in degrees Celsius on 18 Sep '26.
The resolution source for this market will be information from NOAA, specifically the lowest 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.Recent forecasts from multiple models indicate nighttime minimum temperatures in Jeddah around 28–30°C for September 18, consistent with late-summer Red Sea coastal climatology where high humidity (often 60–80%) and light variable winds limit radiative cooling. Model consensus shows stable subsidence and minimal cloud cover, which typically supports these elevated lows rather than sharper drops below 26°C or sustained heat keeping the minimum above 35°C. Key variables include subtle shifts in onshore flow or dew point that could raise or lower the overnight floor by 1–2°C, with updated runs from agencies like the Saudi meteorological service or ECMWF/GFS ensembles expected to refine resolution criteria before the 24-hour observation window closes. Trader positioning reflects this narrow range of plausible outcomes amid typical September variability of roughly ±2°C around the 27°C baseline.
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the King Abdulaziz International Airport Station in degrees Celsius on 18 Sep '26.
The resolution source for this market will be information from NOAA, specifically the lowest 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.
The resolution source for this market will be information from NOAA, specifically the lowest 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.
Volume
$5End Date
Sep 18, 2026Market Opened
Sep 16, 2026, 12:31 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=oejnResolver
0x69c47De9D...Recent forecasts from multiple models indicate nighttime minimum temperatures in Jeddah around 28–30°C for September 18, consistent with late-summer Red Sea coastal climatology where high humidity (often 60–80%) and light variable winds limit radiative cooling. Model consensus shows stable subsidence and minimal cloud cover, which typically supports these elevated lows rather than sharper drops below 26°C or sustained heat keeping the minimum above 35°C. Key variables include subtle shifts in onshore flow or dew point that could raise or lower the overnight floor by 1–2°C, with updated runs from agencies like the Saudi meteorological service or ECMWF/GFS ensembles expected to refine resolution criteria before the 24-hour observation window closes. Trader positioning reflects this narrow range of plausible outcomes amid typical September variability of roughly ±2°C around the 27°C baseline.
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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