**Official KNMI observations at Amsterdam Airport Schiphol—the designated reference station—recorded a maximum temperature of 18°C on April 29, 2026, under predominantly clear skies, light easterly winds around 4 m/s, and high pressure influence, solidifying trader consensus at 100% implied probability for that outcome.** This precise reading aligns with forecast model consensus from ECMWF and national HARMONIE runs, which converged on daytime highs of 17–19°C following solar heating from abundant sunshine (near 100% coverage). Compared to April climatological averages of 13–14°C maxima, the warm anomaly reflects persistent ridging patterns. Realistic challenges are minimal post-measurement, limited to rare quality-control revisions from redundant sensors or Stevenson screen data audits, with final validation expected imminently.
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 April 29?
18°C 100.0%
13°C or below <1%
14°C <1%
15°C <1%
$57,667 Vol.
$57,667 Vol.
13°C or below
No
14°C
No
15°C
No
16°C
No
17°C
No
18°C
Yes
19°C
No
20°C
No
21°C
No
22°C
No
23°C or higher
No
18°C 100.0%
13°C or below <1%
14°C <1%
15°C <1%
$57,667 Vol.
$57,667 Vol.
13°C or below
No
14°C
No
15°C
No
16°C
No
17°C
No
18°C
Yes
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 by the Forecast for the Amsterdam Airport Schiphol Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Market Opened: Apr 27, 2026, 12:12 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 by the Forecast for the Amsterdam Airport Schiphol Station once information is finalized, 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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Resolution Source
https://www.wunderground.com/history/daily/nl/schiphol/EHAMResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
**Official KNMI observations at Amsterdam Airport Schiphol—the designated reference station—recorded a maximum temperature of 18°C on April 29, 2026, under predominantly clear skies, light easterly winds around 4 m/s, and high pressure influence, solidifying trader consensus at 100% implied probability for that outcome.** This precise reading aligns with forecast model consensus from ECMWF and national HARMONIE runs, which converged on daytime highs of 17–19°C following solar heating from abundant sunshine (near 100% coverage). Compared to April climatological averages of 13–14°C maxima, the warm anomaly reflects persistent ridging patterns. Realistic challenges are minimal post-measurement, limited to rare quality-control revisions from redundant sensors or Stevenson screen data audits, with final validation expected imminently.
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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