Recent ensemble forecasts from the European Centre for Medium-Range Weather Forecasts and Global Forecast System have converged on a daytime maximum near 21–22 °C for Istanbul on May 18, aligning closely with the mid-May climatological average of 20–22 °C reported by the Turkish State Meteorological Service. Stable high-pressure patterns and light southerly flow over the Marmara region are limiting rapid warming or cooling, while overnight lows around 14–16 °C support modest daytime recovery. Model consensus remains tight with only minor spreads in boundary-layer moisture, keeping 21 °C as the leading market-implied outcome at 33 percent while 22 °C sits at 25.5 percent. Final official observations from Istanbul’s primary stations will resolve the market once the day concludes.
Resumen experimental generado por IA con datos de Polymarket. Esto no es asesoramiento de trading y no influye en cómo se resuelve este mercado. · Actualizado¿La temperatura más alta en Estambul el 18 de mayo?
21°C 34%
22°C 26%
20°C 15%
23°C or higher 13.5%
13°C or below
<1%
14°C
<1%
15°C
<1%
16°C
<1%
17°C
<1%
18°C
1%
19°C
4%
20°C
15%
21°C
34%
22°C
26%
23°C or higher
14%
21°C 34%
22°C 26%
20°C 15%
23°C or higher 13.5%
13°C or below
<1%
14°C
<1%
15°C
<1%
16°C
<1%
17°C
<1%
18°C
1%
19°C
4%
20°C
15%
21°C
34%
22°C
26%
23°C or higher
14%
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 abierto: May 16, 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.
Recent ensemble forecasts from the European Centre for Medium-Range Weather Forecasts and Global Forecast System have converged on a daytime maximum near 21–22 °C for Istanbul on May 18, aligning closely with the mid-May climatological average of 20–22 °C reported by the Turkish State Meteorological Service. Stable high-pressure patterns and light southerly flow over the Marmara region are limiting rapid warming or cooling, while overnight lows around 14–16 °C support modest daytime recovery. Model consensus remains tight with only minor spreads in boundary-layer moisture, keeping 21 °C as the leading market-implied outcome at 33 percent while 22 °C sits at 25.5 percent. Final official observations from Istanbul’s primary stations will resolve the market once the day concludes.
Resumen experimental generado por IA con datos de Polymarket. Esto no es asesoramiento de trading y no influye en cómo se resuelve este mercado. · Actualizado
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