Recent short-range ensemble forecasts from ECMWF and GFS, alongside KNMI guidance, show Amsterdam under high pressure with southerly flow advecting warmer air ahead of June 21, supporting daily maxima near 26–28°C. Model consensus clusters around 27°C, with limited spread arising from variable cloud cover, boundary-layer mixing, and exact timing of any weak frontal passages that could cap or enhance daytime heating. Near-solstice insolation provides ample energy for warming if skies remain mostly clear, while typical June climatology (average highs ~19–21°C) underscores the anomalous warmth already implied. Trader focus on the 28–29°C band reflects minor upside risks in latest runs, tempered by potential for greater mixing or scattered convection that could trim the peak by 1–2°C before resolution.
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 21?
Highest temperature in Amsterdam on June 21?
27°C 39%
28°C 33%
29°C 18%
26°C 9%
NEW
NEW
Jun 21, 2026
20°C or below
<1%
21°C
<1%
22°C
<1%
23°C
1%
24°C
1%
25°C
3%
26°C
9%
27°C
39%
28°C
33%
29°C
18%
30°C or higher
4%
27°C 39%
28°C 33%
29°C 18%
26°C 9%
NEW
NEW
Jun 21, 2026
20°C or below
$292 Vol.
<1%
21°C
$315 Vol.
<1%
22°C
$290 Vol.
<1%
23°C
$272 Vol.
1%
24°C
$530 Vol.
1%
25°C
$946 Vol.
3%
26°C
$1,018 Vol.
9%
27°C
$1,190 Vol.
39%
28°C
$778 Vol.
33%
29°C
$699 Vol.
18%
30°C or higher
$1,113 Vol.
4%
This market will resolve to the temperature range that contains the highest temperature recorded at the Amsterdam Airport Schiphol Station in degrees Celsius on 21 Jun '26.
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.Recent short-range ensemble forecasts from ECMWF and GFS, alongside KNMI guidance, show Amsterdam under high pressure with southerly flow advecting warmer air ahead of June 21, supporting daily maxima near 26–28°C. Model consensus clusters around 27°C, with limited spread arising from variable cloud cover, boundary-layer mixing, and exact timing of any weak frontal passages that could cap or enhance daytime heating. Near-solstice insolation provides ample energy for warming if skies remain mostly clear, while typical June climatology (average highs ~19–21°C) underscores the anomalous warmth already implied. Trader focus on the 28–29°C band reflects minor upside risks in latest runs, tempered by potential for greater mixing or scattered convection that could trim the peak by 1–2°C before resolution.
This market will resolve to the temperature range that contains the highest temperature recorded at the Amsterdam Airport Schiphol Station in degrees Celsius on 21 Jun '26.
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.
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 19, 2026, 12:07 AM ET
Volume
$7,433End Date
Jun 21, 2026Market Opened
Jun 19, 2026, 12:07 AM ETResolution Source
https://www.wunderground.com/history/daily/nl/schiphol/EHAMResolver
0x69c47De9D...This market will resolve to the temperature range that contains the highest temperature recorded at the Amsterdam Airport Schiphol Station in degrees Celsius on 21 Jun '26.
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.Recent short-range ensemble forecasts from ECMWF and GFS, alongside KNMI guidance, show Amsterdam under high pressure with southerly flow advecting warmer air ahead of June 21, supporting daily maxima near 26–28°C. Model consensus clusters around 27°C, with limited spread arising from variable cloud cover, boundary-layer mixing, and exact timing of any weak frontal passages that could cap or enhance daytime heating. Near-solstice insolation provides ample energy for warming if skies remain mostly clear, while typical June climatology (average highs ~19–21°C) underscores the anomalous warmth already implied. Trader focus on the 28–29°C band reflects minor upside risks in latest runs, tempered by potential for greater mixing or scattered convection that could trim the peak by 1–2°C before resolution.
This market will resolve to the temperature range that contains the highest temperature recorded at the Amsterdam Airport Schiphol Station in degrees Celsius on 21 Jun '26.
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.
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.
Volume
$7,433End Date
Jun 21, 2026Market Opened
Jun 19, 2026, 12:07 AM ETResolution Source
https://www.wunderground.com/history/daily/nl/schiphol/EHAMResolver
0x69c47De9D...Recent short-range ensemble forecasts from ECMWF and GFS, alongside KNMI guidance, show Amsterdam under high pressure with southerly flow advecting warmer air ahead of June 21, supporting daily maxima near 26–28°C. Model consensus clusters around 27°C, with limited spread arising from variable cloud cover, boundary-layer mixing, and exact timing of any weak frontal passages that could cap or enhance daytime heating. Near-solstice insolation provides ample energy for warming if skies remain mostly clear, while typical June climatology (average highs ~19–21°C) underscores the anomalous warmth already implied. Trader focus on the 28–29°C band reflects minor upside risks in latest runs, tempered by potential for greater mixing or scattered convection that could trim the peak by 1–2°C before resolution.
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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