Forecast models from multiple sources converge on a daily maximum of 19–20°C in Amsterdam on September 21, driven by stable high pressure near 1030 hPa, moderate northwesterly winds, and partly to mostly cloudy conditions that limit daytime heating. This aligns with the late-September climatological average high of 18.5°C and recent observations showing no significant warming or cooling anomalies. Traders have priced 19°C as the leading outcome at 72% implied probability, reflecting the narrow range of expected peaks under these settled atmospheric patterns, with 20°C holding secondary support at 24%. No major model revisions or frontal passages have altered this outlook in the past day.
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 Amsterdam on September 21?
19°C 75%
20°C 26%
21°C <1%
13°C or below <1%
$18,469 Vol.
$18,469 Vol.
13°C or below
<1%
14°C
<1%
15°C
<1%
16°C
<1%
17°C
<1%
18°C
<1%
19°C
75%
20°C
26%
21°C
1%
22°C
<1%
23°C or higher
<1%
19°C 75%
20°C 26%
21°C <1%
13°C or below <1%
$18,469 Vol.
$18,469 Vol.
13°C or below
<1%
14°C
<1%
15°C
<1%
16°C
<1%
17°C
<1%
18°C
<1%
19°C
75%
20°C
26%
21°C
1%
22°C
<1%
23°C or higher
<1%
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=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.
Binuksan ang Market: Sep 19, 2026, 12:58 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=ehamResolver
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=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.
Resolution Source
https://www.weather.gov/wrh/timeseries?site=ehamResolver
0x69c47De9D...Forecast models from multiple sources converge on a daily maximum of 19–20°C in Amsterdam on September 21, driven by stable high pressure near 1030 hPa, moderate northwesterly winds, and partly to mostly cloudy conditions that limit daytime heating. This aligns with the late-September climatological average high of 18.5°C and recent observations showing no significant warming or cooling anomalies. Traders have priced 19°C as the leading outcome at 72% implied probability, reflecting the narrow range of expected peaks under these settled atmospheric patterns, with 20°C holding secondary support at 24%. No major model revisions or frontal passages have altered this outlook in the past day.
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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