**Current National Weather Service and local model consensus points to a Monday low near 52°F under partly cloudy skies, with highs in the mid-70s.** This positions 50–53°F ranges as the tightest market focus, reflecting modest overnight radiative cooling amid light easterly winds and dew points in the upper 40s that limit further temperature drops. Recent cooling from Sunday’s 49–50°F low, combined with scattered moisture lingering from earlier thunderstorms, supports the central tendency while leaving room for 46–49°F outcomes if clearer skies enhance cooling or 54°F+ if clouds thicken. Historical September 21 averages near 47°F place these forecasts above normal, and traders are weighting the narrow band of outcomes most consistent with ensemble guidance as the 21st approaches.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedLowest temperature in Denver on September 21?
Lowest temperature in Denver on September 21?
46-47°F 39%
48-49°F 39%
50-51°F 23%
52-53°F 22%
NEW
NEW
Sep 21, 2026
45°F or below
19%
46-47°F
39%
48-49°F
39%
50-51°F
23%
52-53°F
22%
54-55°F
19%
56-57°F
11%
58-59°F
7%
60-61°F
5%
62-63°F
4%
64°F or higher
4%
46-47°F 39%
48-49°F 39%
50-51°F 23%
52-53°F 22%
NEW
NEW
Sep 21, 2026
45°F or below
$0 Vol.
19%
46-47°F
$0 Vol.
39%
48-49°F
$0 Vol.
39%
50-51°F
$0 Vol.
23%
52-53°F
$0 Vol.
22%
54-55°F
$0 Vol.
19%
56-57°F
$0 Vol.
11%
58-59°F
$0 Vol.
7%
60-61°F
$0 Vol.
5%
62-63°F
$0 Vol.
4%
64°F or higher
$0 Vol.
4%
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Buckley Space Force Base Station in degrees Fahrenheit on 21 Sep '26.
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=kbkf
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.**Current National Weather Service and local model consensus points to a Monday low near 52°F under partly cloudy skies, with highs in the mid-70s.** This positions 50–53°F ranges as the tightest market focus, reflecting modest overnight radiative cooling amid light easterly winds and dew points in the upper 40s that limit further temperature drops. Recent cooling from Sunday’s 49–50°F low, combined with scattered moisture lingering from earlier thunderstorms, supports the central tendency while leaving room for 46–49°F outcomes if clearer skies enhance cooling or 54°F+ if clouds thicken. Historical September 21 averages near 47°F place these forecasts above normal, and traders are weighting the narrow band of outcomes most consistent with ensemble guidance as the 21st approaches.
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Buckley Space Force Base Station in degrees Fahrenheit on 21 Sep '26.
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=kbkf
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.
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=kbkf
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.
Market Opened: Sep 19, 2026, 3:30 AM ET
Volume
$0End Date
Sep 21, 2026Market Opened
Sep 19, 2026, 3:30 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=kbkfResolver
0x69c47De9D...This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Buckley Space Force Base Station in degrees Fahrenheit on 21 Sep '26.
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=kbkf
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.**Current National Weather Service and local model consensus points to a Monday low near 52°F under partly cloudy skies, with highs in the mid-70s.** This positions 50–53°F ranges as the tightest market focus, reflecting modest overnight radiative cooling amid light easterly winds and dew points in the upper 40s that limit further temperature drops. Recent cooling from Sunday’s 49–50°F low, combined with scattered moisture lingering from earlier thunderstorms, supports the central tendency while leaving room for 46–49°F outcomes if clearer skies enhance cooling or 54°F+ if clouds thicken. Historical September 21 averages near 47°F place these forecasts above normal, and traders are weighting the narrow band of outcomes most consistent with ensemble guidance as the 21st approaches.
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Buckley Space Force Base Station in degrees Fahrenheit on 21 Sep '26.
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=kbkf
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.
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=kbkf
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.
Volume
$0End Date
Sep 21, 2026Market Opened
Sep 19, 2026, 3:30 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=kbkfResolver
0x69c47De9D...**Current National Weather Service and local model consensus points to a Monday low near 52°F under partly cloudy skies, with highs in the mid-70s.** This positions 50–53°F ranges as the tightest market focus, reflecting modest overnight radiative cooling amid light easterly winds and dew points in the upper 40s that limit further temperature drops. Recent cooling from Sunday’s 49–50°F low, combined with scattered moisture lingering from earlier thunderstorms, supports the central tendency while leaving room for 46–49°F outcomes if clearer skies enhance cooling or 54°F+ if clouds thicken. Historical September 21 averages near 47°F place these forecasts above normal, and traders are weighting the narrow band of outcomes most consistent with ensemble guidance as the 21st approaches.
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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