**Forecast models indicate a typical late-summer minimum near 28–30°C for Jeddah on September 18, driven by persistent Red Sea warmth that limits nocturnal cooling along the coastal plain.** Clear skies, light westerly winds, and high humidity (often 70–85% overnight) maintain elevated dew points around 25°C, preventing sharp drops below seasonal norms. Recent observations show daily minima consistently in this range amid above-average September temperatures, with no incoming fronts or significant cloud cover to alter the pattern. Trader balance between sub-25°C and 35°C+ outcomes likely stems from model spread in exact overnight timing and urban heat-island effects versus official station readings, while mid-20s to low-30s probabilities align with the consensus from sources like ECMWF and GFS runs. Updated regional forecasts tomorrow morning will refine the precise low before market resolution.
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?
35°C or higher 85%
30°C 48%
25°C or below 41.0%
26°C 39%
NEW
NEW
Sep 18, 2026
25°C or below
41%
26°C
39%
27°C
38%
28°C
38%
29°C
38%
30°C
32%
31°C
34%
32°C
38%
33°C
38%
34°C
39%
35°C or higher
85%
35°C or higher 85%
30°C 48%
25°C or below 41.0%
26°C 39%
NEW
NEW
Sep 18, 2026
25°C or below
$86 Vol.
41%
26°C
$0 Vol.
39%
27°C
$0 Vol.
38%
28°C
$0 Vol.
38%
29°C
$0 Vol.
38%
30°C
$354 Vol.
32%
31°C
$422 Vol.
34%
32°C
$0 Vol.
38%
33°C
$0 Vol.
38%
34°C
$0 Vol.
39%
35°C or higher
$0 Vol.
85%
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.**Forecast models indicate a typical late-summer minimum near 28–30°C for Jeddah on September 18, driven by persistent Red Sea warmth that limits nocturnal cooling along the coastal plain.** Clear skies, light westerly winds, and high humidity (often 70–85% overnight) maintain elevated dew points around 25°C, preventing sharp drops below seasonal norms. Recent observations show daily minima consistently in this range amid above-average September temperatures, with no incoming fronts or significant cloud cover to alter the pattern. Trader balance between sub-25°C and 35°C+ outcomes likely stems from model spread in exact overnight timing and urban heat-island effects versus official station readings, while mid-20s to low-30s probabilities align with the consensus from sources like ECMWF and GFS runs. Updated regional forecasts tomorrow morning will refine the precise low before market resolution.
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
$862End 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.**Forecast models indicate a typical late-summer minimum near 28–30°C for Jeddah on September 18, driven by persistent Red Sea warmth that limits nocturnal cooling along the coastal plain.** Clear skies, light westerly winds, and high humidity (often 70–85% overnight) maintain elevated dew points around 25°C, preventing sharp drops below seasonal norms. Recent observations show daily minima consistently in this range amid above-average September temperatures, with no incoming fronts or significant cloud cover to alter the pattern. Trader balance between sub-25°C and 35°C+ outcomes likely stems from model spread in exact overnight timing and urban heat-island effects versus official station readings, while mid-20s to low-30s probabilities align with the consensus from sources like ECMWF and GFS runs. Updated regional forecasts tomorrow morning will refine the precise low before market resolution.
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
$862End Date
Sep 18, 2026Market Opened
Sep 16, 2026, 12:31 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=oejnResolver
0x69c47De9D...**Forecast models indicate a typical late-summer minimum near 28–30°C for Jeddah on September 18, driven by persistent Red Sea warmth that limits nocturnal cooling along the coastal plain.** Clear skies, light westerly winds, and high humidity (often 70–85% overnight) maintain elevated dew points around 25°C, preventing sharp drops below seasonal norms. Recent observations show daily minima consistently in this range amid above-average September temperatures, with no incoming fronts or significant cloud cover to alter the pattern. Trader balance between sub-25°C and 35°C+ outcomes likely stems from model spread in exact overnight timing and urban heat-island effects versus official station readings, while mid-20s to low-30s probabilities align with the consensus from sources like ECMWF and GFS runs. Updated regional forecasts tomorrow morning will refine the precise low before market resolution.
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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