Forecast models from the Royal Netherlands Meteorological Institute (KNMI) and supporting agencies have converged on a daytime maximum of 24°C for Amsterdam on June 17 under overcast to broken cloud cover, moderate southwesterly winds near 15–20 km/h, and no significant precipitation. This consensus reflects stable atmospheric conditions with limited solar heating and typical early-summer maritime influence keeping readings close to the June average high of 23°C. Trader positioning at 99.8% implied probability for 24°C tracks the narrow range in official guidance and real-time observations. A brief unexpected clearing of skies or stronger subsidence could push readings to 25°C, while increased cloud thickness or onshore flow might cap the peak at 23°C, though both outcomes remain low-probability based on current data.
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 17?
24°C 100.0%
18°C or below <1%
19°C <1%
20°C <1%
$86,487 Vol.
$86,487 Vol.
18°C or below
No
19°C
No
20°C
No
21°C
No
22°C
No
23°C
No
24°C
Yes
25°C
No
26°C
No
27°C
No
28°C or higher
No
24°C 100.0%
18°C or below <1%
19°C <1%
20°C <1%
$86,487 Vol.
$86,487 Vol.
18°C or below
No
19°C
No
20°C
No
21°C
No
22°C
No
23°C
No
24°C
Yes
25°C
No
26°C
No
27°C
No
28°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 15, 2026, 12:06 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
Forecast models from the Royal Netherlands Meteorological Institute (KNMI) and supporting agencies have converged on a daytime maximum of 24°C for Amsterdam on June 17 under overcast to broken cloud cover, moderate southwesterly winds near 15–20 km/h, and no significant precipitation. This consensus reflects stable atmospheric conditions with limited solar heating and typical early-summer maritime influence keeping readings close to the June average high of 23°C. Trader positioning at 99.8% implied probability for 24°C tracks the narrow range in official guidance and real-time observations. A brief unexpected clearing of skies or stronger subsidence could push readings to 25°C, while increased cloud thickness or onshore flow might cap the peak at 23°C, though both outcomes remain low-probability based on current data.
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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