**Forecast models indicate a mild day with highs likely peaking near 19–20°C in Amsterdam on July 23, as northwesterly flow and increasing cloud cover limit daytime heating.** Official guidance from sources like the BBC and European models shows highs around 19°C under light cloud and moderate breezes, following a similar 19°C reading on July 22 after a slightly warmer 21°C on the 21st. This aligns with mid-July climatology of 21–22°C but reflects cooler maritime air advection rather than any developing heat dome or subsidence. Key differentiators between the closely matched 18°C, 19°C, and 20°C outcomes include the precise timing and extent of cloud breaks, which control solar insolation, versus sustained northwest winds that enhance mixing and evaporative cooling. With resolution just 48 hours away, the next model runs and observational updates on boundary-layer conditions will determine whether modest clearing allows a brief spike toward 20°C or persistent cover caps the maximum closer to 18°C. Trader consensus reflects this narrow uncertainty range typical of short-term European summer forecasts.
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 July 23?
20°C 43%
19°C 34%
21°C 15%
18°C 6%
16°C or below
<1%
17°C
1%
18°C
6%
19°C
34%
20°C
43%
21°C
15%
22°C
2%
23°C
<1%
24°C
<1%
25°C
<1%
26°C or higher
<1%
20°C 43%
19°C 34%
21°C 15%
18°C 6%
16°C or below
<1%
17°C
1%
18°C
6%
19°C
34%
20°C
43%
21°C
15%
22°C
2%
23°C
<1%
24°C
<1%
25°C
<1%
26°C or higher
<1%
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: Jul 21, 2026, 12:03 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 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...**Forecast models indicate a mild day with highs likely peaking near 19–20°C in Amsterdam on July 23, as northwesterly flow and increasing cloud cover limit daytime heating.** Official guidance from sources like the BBC and European models shows highs around 19°C under light cloud and moderate breezes, following a similar 19°C reading on July 22 after a slightly warmer 21°C on the 21st. This aligns with mid-July climatology of 21–22°C but reflects cooler maritime air advection rather than any developing heat dome or subsidence. Key differentiators between the closely matched 18°C, 19°C, and 20°C outcomes include the precise timing and extent of cloud breaks, which control solar insolation, versus sustained northwest winds that enhance mixing and evaporative cooling. With resolution just 48 hours away, the next model runs and observational updates on boundary-layer conditions will determine whether modest clearing allows a brief spike toward 20°C or persistent cover caps the maximum closer to 18°C. Trader consensus reflects this narrow uncertainty range typical of short-term European summer forecasts.
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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