Current numerical weather prediction models, including those from ECMWF and GFS, indicate overnight lows near 19–20°C in Madrid on September 22 under clear skies, light northerly flow, and high pressure with minimal cloud cover or precipitation. This setup favors limited radiational cooling overnight, consistent with recent stable conditions and above-average temperatures for mid-September. The market's leading implied probability on 14°C or below (47%) reflects trader assessment of model spread, historical precedent for cooler minima around 14.5°C on average, and the chance of slight forecast revisions before resolution, while probabilities cluster around 15–17°C amid genuine uncertainty in exact minimum thresholds.
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-updateLowest temperature in Madrid on September 22?
14°C or below 47%
15°C 39%
16°C 39%
17°C 39%
14°C or below
47%
15°C
39%
16°C
39%
17°C
39%
18°C
14%
19°C
13%
20°C
2%
21°C
2%
22°C
3%
23°C
3%
24°C or higher
3%
14°C or below 47%
15°C 39%
16°C 39%
17°C 39%
14°C or below
47%
15°C
39%
16°C
39%
17°C
39%
18°C
14%
19°C
13%
20°C
2%
21°C
2%
22°C
3%
23°C
3%
24°C or higher
3%
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=lemd
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 20, 2026, 12:30 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=lemdResolver
0x69c47De9D...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=lemd
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=lemdResolver
0x69c47De9D...Current numerical weather prediction models, including those from ECMWF and GFS, indicate overnight lows near 19–20°C in Madrid on September 22 under clear skies, light northerly flow, and high pressure with minimal cloud cover or precipitation. This setup favors limited radiational cooling overnight, consistent with recent stable conditions and above-average temperatures for mid-September. The market's leading implied probability on 14°C or below (47%) reflects trader assessment of model spread, historical precedent for cooler minima around 14.5°C on average, and the chance of slight forecast revisions before resolution, while probabilities cluster around 15–17°C amid genuine uncertainty in exact minimum thresholds.
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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