Trader consensus on Polymarket closely clusters around 17–19°C for Amsterdam's highest temperature on April 17, mirroring the spread in latest ECMWF and GFS ensemble forecasts averaging near 18°C, with some deterministic runs reaching 19°C under minimal cloud cover. The Royal Netherlands Meteorological Institute (KNMI) official outlook projects a 17°C maximum amid partly cloudy conditions and light westerly winds, while warmer scenarios hinge on enhanced solar insolation from a persistent high-pressure ridge over northern Europe, which has driven recent mild spells above the mid-April climatological norm of 14°C. Key differentiators include boundary layer mixing and cloud evolution; new 12Z model runs and KNMI updates expected April 16 may sharpen the outlook as resolution nears.
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 17?
Highest temperature in Amsterdam on April 17?
18°C 35%
19°C 30%
17°C 21%
20°C 12%
12°C or below
<1%
13°C
2%
14°C
4%
15°C
7%
16°C
10%
17°C
21%
18°C
28%
19°C
30%
20°C
12%
21°C
12%
22°C or higher
11%
18°C 35%
19°C 30%
17°C 21%
20°C 12%
12°C or below
<1%
13°C
2%
14°C
4%
15°C
7%
16°C
10%
17°C
21%
18°C
28%
19°C
30%
20°C
12%
21°C
12%
22°C or higher
11%
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 15, 2026, 12:36 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 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...Trader consensus on Polymarket closely clusters around 17–19°C for Amsterdam's highest temperature on April 17, mirroring the spread in latest ECMWF and GFS ensemble forecasts averaging near 18°C, with some deterministic runs reaching 19°C under minimal cloud cover. The Royal Netherlands Meteorological Institute (KNMI) official outlook projects a 17°C maximum amid partly cloudy conditions and light westerly winds, while warmer scenarios hinge on enhanced solar insolation from a persistent high-pressure ridge over northern Europe, which has driven recent mild spells above the mid-April climatological norm of 14°C. Key differentiators include boundary layer mixing and cloud evolution; new 12Z model runs and KNMI updates expected April 16 may sharpen the outlook as resolution nears.
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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