Current forecasts for Istanbul on August 18 indicate a daily maximum near 29–31°C under sunny to partly cloudy conditions with light to moderate winds, aligning with typical mid-August Mediterranean climatology where average highs reach 27–29°C. Sea breezes from the Black Sea and Bosphorus Strait, combined with northeasterly flow, continue to moderate daytime heating and limit extreme values. Ensemble models show limited spread around this range, with any upward revisions tied to reduced cloud cover or weaker winds in updated runs from agencies like the Turkish State Meteorological Service. Historical data for the period rarely exceed 32°C, supporting market focus on thresholds near the seasonal norm ahead of final observational confirmation.
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 August 18?
28°C 35%
30°C 22%
29°C 19%
31°C 19%
24°C or below
1%
25°C
2%
26°C
7%
27°C
10%
28°C
35%
29°C
19%
30°C
22%
31°C
19%
32°C
4%
33°C
7%
34°C or higher
7%
28°C 35%
30°C 22%
29°C 19%
31°C 19%
24°C or below
1%
25°C
2%
26°C
7%
27°C
10%
28°C
35%
29°C
19%
30°C
22%
31°C
19%
32°C
4%
33°C
7%
34°C or higher
7%
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: Aug 16, 2026, 12:57 AM ET
Resolver
0x69c47De9D...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...Current forecasts for Istanbul on August 18 indicate a daily maximum near 29–31°C under sunny to partly cloudy conditions with light to moderate winds, aligning with typical mid-August Mediterranean climatology where average highs reach 27–29°C. Sea breezes from the Black Sea and Bosphorus Strait, combined with northeasterly flow, continue to moderate daytime heating and limit extreme values. Ensemble models show limited spread around this range, with any upward revisions tied to reduced cloud cover or weaker winds in updated runs from agencies like the Turkish State Meteorological Service. Historical data for the period rarely exceed 32°C, supporting market focus on thresholds near the seasonal norm ahead of final observational confirmation.
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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