Recent forecast consensus from major meteorological models and real-time observations at Amsterdam Schiphol station indicate a daily maximum of 17°C, driven by moderate westerly flow, persistent cloud cover, and limited diurnal heating under typical mid-June synoptic patterns. These conditions align closely with climatological baselines from KNMI data, where June highs average near 19°C but often fall short with marine influences and variable Atlantic systems suppressing peaks. The market's overwhelming 99.9% implied probability for 17°C reflects this strong convergence of verified measurements and model runs. Only a rapid, unexpected clearing or warm-air advection late in the day could realistically shift the outcome, though such changes become improbable as the observation window closes.
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 June 13?
17°C 100.0%
13°C or below <1%
14°C <1%
15°C <1%
$44,016 Vol.
$44,016 Vol.
13°C or below
No
14°C
No
15°C
No
16°C
No
17°C
Yes
18°C
No
19°C
No
20°C
No
21°C
No
22°C
No
23°C or higher
No
17°C 100.0%
13°C or below <1%
14°C <1%
15°C <1%
$44,016 Vol.
$44,016 Vol.
13°C or below
No
14°C
No
15°C
No
16°C
No
17°C
Yes
18°C
No
19°C
No
20°C
No
21°C
No
22°C
No
23°C or higher
No
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: Jun 11, 2026, 12:17 AM ET
Resolution Source
https://www.wunderground.com/history/daily/nl/schiphol/EHAMResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
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...Outcome proposed: No
No dispute
Final outcome: No
Recent forecast consensus from major meteorological models and real-time observations at Amsterdam Schiphol station indicate a daily maximum of 17°C, driven by moderate westerly flow, persistent cloud cover, and limited diurnal heating under typical mid-June synoptic patterns. These conditions align closely with climatological baselines from KNMI data, where June highs average near 19°C but often fall short with marine influences and variable Atlantic systems suppressing peaks. The market's overwhelming 99.9% implied probability for 17°C reflects this strong convergence of verified measurements and model runs. Only a rapid, unexpected clearing or warm-air advection late in the day could realistically shift the outcome, though such changes become improbable as the observation window closes.
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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