Recent short-range forecast models from agencies including the Turkish State Meteorological Service and global ensembles like GFS and ECMWF show Istanbul reaching a daytime maximum of 23–24°C on September 18 under partly to mostly cloudy skies with light northeasterly flow. This consensus, following cooler and showery conditions on September 16–17, positions those two outcomes as the clear market leaders at 56% and 32.5% implied probability. Limited warming potential stems from stable high pressure and modest insolation, while small spreads in model guidance around cloud cover and wind timing account for the remaining probability mass on 21°C or 25°C. Final resolution will hinge on official station readings from the Istanbul network, with the last model updates expected overnight.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-updateHighest temperature in Istanbul on September 18?
23°C 60%
24°C 34%
22°C 4%
25°C 4%
20°C or below
2%
21°C
2%
22°C
4%
23°C
60%
24°C
34%
25°C
4%
26°C
2%
27°C
2%
28°C
2%
29°C
<1%
30°C or higher
<1%
23°C 60%
24°C 34%
22°C 4%
25°C 4%
20°C or below
2%
21°C
2%
22°C
4%
23°C
60%
24°C
34%
25°C
4%
26°C
2%
27°C
2%
28°C
2%
29°C
<1%
30°C or higher
<1%
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
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
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.
Binuksan ang Market: Sep 16, 2026, 12:58 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
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
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...Recent short-range forecast models from agencies including the Turkish State Meteorological Service and global ensembles like GFS and ECMWF show Istanbul reaching a daytime maximum of 23–24°C on September 18 under partly to mostly cloudy skies with light northeasterly flow. This consensus, following cooler and showery conditions on September 16–17, positions those two outcomes as the clear market leaders at 56% and 32.5% implied probability. Limited warming potential stems from stable high pressure and modest insolation, while small spreads in model guidance around cloud cover and wind timing account for the remaining probability mass on 21°C or 25°C. Final resolution will hinge on official station readings from the Istanbul network, with the last model updates expected overnight.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-update
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