Trader consensus on implied probabilities centers on 48–53°F lows for Seattle on September 21, driven by National Weather Service forecasts and model guidance showing persistent onshore flow behind a departing upper-level ridge, with light winds and patchy fog promoting moderate overnight cooling. Marine air influence and typical September radiational cooling under partly clear skies keep minima near the 52°F climatological average, though weak northerly shifts and variable cloud cover introduce narrow uncertainty bands across ensembles. Official NWS briefings highlight minimal temperature spread through the short term, with next model runs and surface observations expected to refine exact thresholds ahead of resolution.
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 Seattle on September 21?
48-49°F 40%
50-51°F 40%
52-53°F 23%
46-47°F 19%
45°F or below
11%
46-47°F
19%
48-49°F
40%
50-51°F
40%
52-53°F
23%
54-55°F
19%
56-57°F
11%
58-59°F
7%
60-61°F
5%
62-63°F
5%
64°F or higher
5%
48-49°F 40%
50-51°F 40%
52-53°F 23%
46-47°F 19%
45°F or below
11%
46-47°F
19%
48-49°F
40%
50-51°F
40%
52-53°F
23%
54-55°F
19%
56-57°F
11%
58-59°F
7%
60-61°F
5%
62-63°F
5%
64°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=ksea
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 19, 2026, 7:29 AM ET
Resolution Source
https://www.weather.gov/wrh/timeseries?site=kseaResolver
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=ksea
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=kseaResolver
0x69c47De9D...Trader consensus on implied probabilities centers on 48–53°F lows for Seattle on September 21, driven by National Weather Service forecasts and model guidance showing persistent onshore flow behind a departing upper-level ridge, with light winds and patchy fog promoting moderate overnight cooling. Marine air influence and typical September radiational cooling under partly clear skies keep minima near the 52°F climatological average, though weak northerly shifts and variable cloud cover introduce narrow uncertainty bands across ensembles. Official NWS briefings highlight minimal temperature spread through the short term, with next model runs and surface observations expected to refine exact thresholds ahead of resolution.
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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