Current ensemble guidance from ECMWF and GFS models shows Amsterdam’s July 14 maximum centered on 28–31 °C, with 29–30 °C bands holding the highest market-implied odds because small differences in 850 hPa thermal advection and afternoon boundary-layer mixing can shift the peak by 1–2 °C. A building ridge and southerly flow support modest warming, yet variable cloud timing and sea-breeze influence introduce spread that keeps 28 °C and 31 °C probabilities non-negligible. Updated operational runs and ensemble means expected before resolution will likely narrow the distribution further, as short-range temperature forecasts remain sensitive to these mesoscale factors.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Amsterdam on July 14?
29°C 37%
28°C 34%
30°C 27%
27°C 3.7%
23°C or below
<1%
24°C
<1%
25°C
<1%
26°C
<1%
27°C
4%
28°C
34%
29°C
37%
30°C
27%
31°C
3%
32°C
<1%
33°C or higher
<1%
29°C 37%
28°C 34%
30°C 27%
27°C 3.7%
23°C or below
<1%
24°C
<1%
25°C
<1%
26°C
<1%
27°C
4%
28°C
34%
29°C
37%
30°C
27%
31°C
3%
32°C
<1%
33°C or higher
<1%
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Amsterdam Airport Schiphol Station, available here: https://www.wunderground.com/history/daily/nl/schiphol/EHAM.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve until the first data point for the following date has been published on the resolution source.
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: Jul 12, 2026, 1:04 AM ET
Resolution Source
https://www.wunderground.com/history/daily/nl/schiphol/EHAMResolver
0x69c47De9D...The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Amsterdam Airport Schiphol Station, available here: https://www.wunderground.com/history/daily/nl/schiphol/EHAM.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve until the first data point for the following date has been published on the resolution source.
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.wunderground.com/history/daily/nl/schiphol/EHAMResolver
0x69c47De9D...Current ensemble guidance from ECMWF and GFS models shows Amsterdam’s July 14 maximum centered on 28–31 °C, with 29–30 °C bands holding the highest market-implied odds because small differences in 850 hPa thermal advection and afternoon boundary-layer mixing can shift the peak by 1–2 °C. A building ridge and southerly flow support modest warming, yet variable cloud timing and sea-breeze influence introduce spread that keeps 28 °C and 31 °C probabilities non-negligible. Updated operational runs and ensemble means expected before resolution will likely narrow the distribution further, as short-range temperature forecasts remain sensitive to these mesoscale factors.
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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