Recent National Weather Service and model guidance from the GFS and ECMWF show Dallas overnight lows on September 18 clustering near 80–83°F, driving the tight market split between those bins. Light winds, limited cloud cover, and weak high pressure favor modest radiational cooling after a warm day, yet lingering moisture and urban heat island effects limit further drops. Ensemble spreads highlight sensitivity to small changes in dew points and boundary-layer mixing, keeping lower probabilities on 76–79°F or 84°F-plus outcomes. Updated short-range runs and local observations tonight will refine the forecast ahead of the 24-hour resolution window.
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-updateLowest temperature in Dallas on September 18?
80-81°F 47%
82-83°F 40%
78-79°F 19%
84-85°F 19%
71°F or below
5%
72-73°F
5%
74-75°F
7%
76-77°F
11%
78-79°F
19%
80-81°F
27%
82-83°F
40%
84-85°F
19%
86-87°F
11%
88-89°F
7%
90°F or higher
5%
80-81°F 47%
82-83°F 40%
78-79°F 19%
84-85°F 19%
71°F or below
5%
72-73°F
5%
74-75°F
7%
76-77°F
11%
78-79°F
19%
80-81°F
27%
82-83°F
40%
84-85°F
19%
86-87°F
11%
88-89°F
7%
90°F or higher
5%
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kdal
This market will resolve off of the Hourly Data provided using the "Show Hourly Data" button.
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 US Units w/ kts" button until the relevant table displays °F.
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 Fahrenheit (eg, 21°F). 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, 3:29 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=kdalResolver
0x69c47De9D...The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=kdal
This market will resolve off of the Hourly Data provided using the "Show Hourly Data" button.
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 US Units w/ kts" button until the relevant table displays °F.
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 Fahrenheit (eg, 21°F). 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.
Resolution Source
https://www.weather.gov/wrh/timeseries?site=kdalResolver
0x69c47De9D...Recent National Weather Service and model guidance from the GFS and ECMWF show Dallas overnight lows on September 18 clustering near 80–83°F, driving the tight market split between those bins. Light winds, limited cloud cover, and weak high pressure favor modest radiational cooling after a warm day, yet lingering moisture and urban heat island effects limit further drops. Ensemble spreads highlight sensitivity to small changes in dew points and boundary-layer mixing, keeping lower probabilities on 76–79°F or 84°F-plus outcomes. Updated short-range runs and local observations tonight will refine the forecast ahead of the 24-hour resolution window.
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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