Traders price the June 20 highest temperature in Istanbul near 24–26 °C because short-range forecast guidance and climatological normals align on modest daytime maxima. June averages place the daily high around 25–27 °C, with recent model runs showing limited warming from Black Sea marine air and prevailing northeasterly flow that suppresses peak readings. Small differences among outcomes hinge on afternoon cloud cover, wind direction shifts that either enhance or reduce sea-breeze cooling, and the precise timing of any weak frontal passage. Official agencies such as the Turkish State Meteorological Service and ECMWF ensembles currently favor the middle of that range, while the spread in market probabilities reflects residual uncertainty in boundary-layer mixing and local urban heat-island effects two days before the observation window closes.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Istanbul on June 20?
24°C 100.0%
20°C or below <1%
21°C <1%
22°C <1%
$52,756 Vol.
$52,756 Vol.
20°C or below
No
21°C
No
22°C
No
23°C
No
24°C
Yes
25°C
No
26°C
No
27°C
No
28°C
No
29°C
No
30°C or higher
No
24°C 100.0%
20°C or below <1%
21°C <1%
22°C <1%
$52,756 Vol.
$52,756 Vol.
20°C or below
No
21°C
No
22°C
No
23°C
No
24°C
Yes
25°C
No
26°C
No
27°C
No
28°C
No
29°C
No
30°C or higher
No
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=LTFM
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °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 18, 2026, 12:14 AM ET
Resolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=LTFM
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °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.
Resolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Traders price the June 20 highest temperature in Istanbul near 24–26 °C because short-range forecast guidance and climatological normals align on modest daytime maxima. June averages place the daily high around 25–27 °C, with recent model runs showing limited warming from Black Sea marine air and prevailing northeasterly flow that suppresses peak readings. Small differences among outcomes hinge on afternoon cloud cover, wind direction shifts that either enhance or reduce sea-breeze cooling, and the precise timing of any weak frontal passage. Official agencies such as the Turkish State Meteorological Service and ECMWF ensembles currently favor the middle of that range, while the spread in market probabilities reflects residual uncertainty in boundary-layer mixing and local urban heat-island effects two days before the observation window closes.
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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