Recent forecasts from sources like the ECMWF, GFS, and Met Office show stable sunny conditions over Jeddah with light to moderate westerly sea breezes off the Red Sea, supporting afternoon highs clustered around 35–37 °C for September 23. High humidity (60–70 %) and minimal cloud cover allow strong solar heating, while subsidence under the subtropical ridge and light winds limit mixing that could cap temperatures. Small differences in model timing of peak insolation, dew-point advection, or breeze strength explain the tight spread among 35 °C, 36 °C, and 37 °C outcomes; a stronger sea breeze or slight increase in low-level moisture would favor the lower end, whereas clearer, drier air would push toward 37–38 °C. No major synoptic changes are expected before resolution.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-updateHighest temperature in Jeddah on September 23?
37°C 25%
35°C 24%
36°C 24%
38°C 23%
29°C or below
2%
30°C
4%
31°C
4%
32°C
4%
33°C
5%
34°C
21%
35°C
24%
36°C
24%
37°C
25%
38°C
23%
39°C or higher
8%
37°C 25%
35°C 24%
36°C 24%
38°C 23%
29°C or below
2%
30°C
4%
31°C
4%
32°C
4%
33°C
5%
34°C
21%
35°C
24%
36°C
24%
37°C
25%
38°C
23%
39°C or higher
8%
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.
Binuksan ang Market: Sep 21, 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...Recent forecasts from sources like the ECMWF, GFS, and Met Office show stable sunny conditions over Jeddah with light to moderate westerly sea breezes off the Red Sea, supporting afternoon highs clustered around 35–37 °C for September 23. High humidity (60–70 %) and minimal cloud cover allow strong solar heating, while subsidence under the subtropical ridge and light winds limit mixing that could cap temperatures. Small differences in model timing of peak insolation, dew-point advection, or breeze strength explain the tight spread among 35 °C, 36 °C, and 37 °C outcomes; a stronger sea breeze or slight increase in low-level moisture would favor the lower end, whereas clearer, drier air would push toward 37–38 °C. No major synoptic changes are expected before resolution.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-update
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