Recent official National Weather Service forecasts and ensemble guidance indicate a Wednesday overnight low near 57–60 °F for Seattle under partly cloudy skies and light southwest onshore flow. This range aligns closely with the historical average low of 56 °F for August 26 and reflects the transition from an upper ridge to a strengthening marine layer that limits radiational cooling. The near-even market split between the 56–57 °F and 58–59 °F bins captures uncertainty in the precise minimum, driven by variable cloud cover, dew-point depression, and the exact timing of any stratus development overnight. New model runs and NWS updates through Tuesday evening will provide the key data points for resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedLowest temperature in Seattle on August 26?
58-59°F 55%
56-57°F 41%
60-61°F 23%
62-63°F 14%
49°F or below
10%
50-51°F
13%
52-53°F
1%
54-55°F
12%
56-57°F
41%
58-59°F
55%
60-61°F
23%
62-63°F
14%
64-65°F
14%
66-67°F
12%
68°F or higher
10%
58-59°F 55%
56-57°F 41%
60-61°F 23%
62-63°F 14%
49°F or below
10%
50-51°F
13%
52-53°F
1%
54-55°F
12%
56-57°F
41%
58-59°F
55%
60-61°F
23%
62-63°F
14%
64-65°F
14%
66-67°F
12%
68°F or higher
10%
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 is unavailable or missing for the observation period, Weather Underground will be used as the secondary resolution source.
To toggle between Fahrenheit and Celsius, click the "Switch to US Units w/ kts" button until the relevant table displays °F.
This market can not resolve until the first data point for the following date has been published on the resolution source.
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: Aug 24, 2026, 9:29 PM 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 is unavailable or missing for the observation period, Weather Underground will be used as the secondary resolution source.
To toggle between Fahrenheit and Celsius, click the "Switch to US Units w/ kts" button until the relevant table displays °F.
This market can not resolve until the first data point for the following date has been published on the resolution source.
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...Recent official National Weather Service forecasts and ensemble guidance indicate a Wednesday overnight low near 57–60 °F for Seattle under partly cloudy skies and light southwest onshore flow. This range aligns closely with the historical average low of 56 °F for August 26 and reflects the transition from an upper ridge to a strengthening marine layer that limits radiational cooling. The near-even market split between the 56–57 °F and 58–59 °F bins captures uncertainty in the precise minimum, driven by variable cloud cover, dew-point depression, and the exact timing of any stratus development overnight. New model runs and NWS updates through Tuesday evening will provide the key data points for resolution.
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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