Latest ensemble forecasts from the Turkish State Meteorological Service, ECMWF, and GFS models converge on an afternoon peak of 20–22 °C at Istanbul Airport under stable high-pressure ridging, with light northerly flow and partial cloud cover limiting insolation. This range aligns with mid-May climatology, where daily highs average near 21 °C, moderated by the moderating influence of the Bosphorus and Black Sea breezes. Trader consensus reflects tight uncertainty around these values, as minor afternoon clearing could push readings to 22–23 °C while lingering low stratus would cap them at 19–20 °C. Hourly observations and the final model update tomorrow morning will determine resolution.
Resumo experimental gerado por IA com dados do Polymarket. Isto não é aconselhamento de trading e não tem qualquer papel na resolução deste mercado. · AtualizadoTemperatura mais alta em Istambul no dia 17 de maio?
21°C 29%
20°C 21%
22°C 20%
19°C 14%
14°C or below
<1%
15°C
<1%
16°C
1%
17°C
1%
18°C
3%
19°C
14%
20°C
21%
21°C
29%
22°C
20%
23°C
6%
24°C or higher
4%
21°C 29%
20°C 21%
22°C 20%
19°C 14%
14°C or below
<1%
15°C
<1%
16°C
1%
17°C
1%
18°C
3%
19°C
14%
20°C
21%
21°C
29%
22°C
20%
23°C
6%
24°C or higher
4%
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column on the specified date once information is finalized for all hours on that date, 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 to "Yes" until data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Mercado Aberto: May 15, 2026, 12:05 AM ET
The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column on the specified date once information is finalized for all hours on that date, 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 to "Yes" until data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Latest ensemble forecasts from the Turkish State Meteorological Service, ECMWF, and GFS models converge on an afternoon peak of 20–22 °C at Istanbul Airport under stable high-pressure ridging, with light northerly flow and partial cloud cover limiting insolation. This range aligns with mid-May climatology, where daily highs average near 21 °C, moderated by the moderating influence of the Bosphorus and Black Sea breezes. Trader consensus reflects tight uncertainty around these values, as minor afternoon clearing could push readings to 22–23 °C while lingering low stratus would cap them at 19–20 °C. Hourly observations and the final model update tomorrow morning will determine resolution.
Resumo experimental gerado por IA com dados do Polymarket. Isto não é aconselhamento de trading e não tem qualquer papel na resolução deste mercado. · Atualizado
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