**Forecast models from major centers, including GFS guidance and regional analyses, converge on a daily minimum temperature of 13°C for Amsterdam on September 18, 2026.** This reflects mild southwesterly flow, partly to mostly cloudy skies, and limited nocturnal radiative cooling under dew points near 11–12°C. Official observations through the morning show temperatures holding in the mid-teens Celsius, consistent with the expected overnight low near dawn. Market-implied odds heavily favor 13°C (86.5%) because ensemble spreads remain narrow and historical September minima for similar synoptic patterns cluster around this value. Lower probabilities for 12°C or below stem from the absence of stronger cold advection or clearer skies that would enhance cooling. Traders monitor final KNMI station readings and any late model updates for resolution.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · AggiornatoLa temperatura più bassa di Amsterdam il 18 settembre?
13°C 97%
10°C 9%
11°C 3%
12°C 3%
7°C o inferiore
<1%
8°C
<1%
9°C
<1%
10°C
9%
11°C
3%
12°C
21%
13°C
87%
14°C
<1%
15°C
<1%
16°C
<1%
17°C o superiore
<1%
13°C 97%
10°C 9%
11°C 3%
12°C 3%
7°C o inferiore
<1%
8°C
<1%
9°C
<1%
10°C
9%
11°C
3%
12°C
21%
13°C
87%
14°C
<1%
15°C
<1%
16°C
<1%
17°C o superiore
<1%
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=eham
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.
Mercato aperto: Sep 16, 2026, 12:31 AM ET
Fonte di risoluzione
https://www.weather.gov/wrh/timeseries?site=ehamRisolutore
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=eham
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.
Fonte di risoluzione
https://www.weather.gov/wrh/timeseries?site=ehamRisolutore
0x69c47De9D...**Forecast models from major centers, including GFS guidance and regional analyses, converge on a daily minimum temperature of 13°C for Amsterdam on September 18, 2026.** This reflects mild southwesterly flow, partly to mostly cloudy skies, and limited nocturnal radiative cooling under dew points near 11–12°C. Official observations through the morning show temperatures holding in the mid-teens Celsius, consistent with the expected overnight low near dawn. Market-implied odds heavily favor 13°C (86.5%) because ensemble spreads remain narrow and historical September minima for similar synoptic patterns cluster around this value. Lower probabilities for 12°C or below stem from the absence of stronger cold advection or clearer skies that would enhance cooling. Traders monitor final KNMI station readings and any late model updates for resolution.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato
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