Forecast models from sources like GFS and ECMWF indicate a daytime high near 23–24°C for Milan on September 18, with afternoon peaks limited by persistent cloud cover, light easterly winds around 2–4 m/s, and scattered light showers or patchy rain that reduce solar insolation and enhance evaporative cooling. Current observations show temperatures climbing from morning lows near 17°C toward 22–23°C by mid-afternoon under mostly overcast skies and high humidity near 60–80%. Slight model spread in maximum values—some capping at 22°C while others briefly touch 24°C—explains the tight market clustering around 22–24°C outcomes, as traders weigh the balance between residual warmth in the Po Valley and moderating effects from Atlantic-influenced moisture. Updated hourly data and any late-day clearing will refine the final recorded maximum.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Milan on September 18?
23°C 40%
22°C 32%
24°C 20%
21°C 12%
$22,708 Vol.
$22,708 Vol.
15°C or below
<1%
16°C
<1%
17°C
<1%
18°C
<1%
19°C
<1%
20°C
2%
21°C
12%
22°C
32%
23°C
40%
24°C
20%
25°C or higher
3%
23°C 40%
22°C 32%
24°C 20%
21°C 12%
$22,708 Vol.
$22,708 Vol.
15°C or below
<1%
16°C
<1%
17°C
<1%
18°C
<1%
19°C
<1%
20°C
2%
21°C
12%
22°C
32%
23°C
40%
24°C
20%
25°C or higher
3%
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=limc
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, 12:57 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=limcResolver
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=limc
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=limcResolver
0x69c47De9D...Forecast models from sources like GFS and ECMWF indicate a daytime high near 23–24°C for Milan on September 18, with afternoon peaks limited by persistent cloud cover, light easterly winds around 2–4 m/s, and scattered light showers or patchy rain that reduce solar insolation and enhance evaporative cooling. Current observations show temperatures climbing from morning lows near 17°C toward 22–23°C by mid-afternoon under mostly overcast skies and high humidity near 60–80%. Slight model spread in maximum values—some capping at 22°C while others briefly touch 24°C—explains the tight market clustering around 22–24°C outcomes, as traders weigh the balance between residual warmth in the Po Valley and moderating effects from Atlantic-influenced moisture. Updated hourly data and any late-day clearing will refine the final recorded maximum.
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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