Current forecasts from meteorological models indicate a high temperature in the low 60s°F for Seattle on June 5, driven by persistent onshore flow and marine air influence typical of early June along the Pacific Northwest coast. This places the outcome well below the 69°F threshold, aligning with the market-implied 98% probability for 69°F or below. Seattle’s climatological average high for early June hovers near 69–70°F, yet the current pattern favors cooler conditions than seasonal norms. Official National Weather Service observations at Seattle-Tacoma International Airport will determine resolution. A sudden shift in steering winds or reduced marine layer could allow brief warming, though model consensus remains stable into the event window.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Seattle on June 5?
69°F or below 99.8%
70-71°F <1%
72-73°F <1%
74-75°F <1%
$34,582 Vol.
$34,582 Vol.
69°F or below
100%
70-71°F
<1%
72-73°F
<1%
74-75°F
<1%
76-77°F
<1%
78-79°F
<1%
80-81°F
<1%
82-83°F
<1%
84-85°F
<1%
86-87°F
<1%
88°F or higher
<1%
69°F or below 99.8%
70-71°F <1%
72-73°F <1%
74-75°F <1%
$34,582 Vol.
$34,582 Vol.
69°F or below
100%
70-71°F
<1%
72-73°F
<1%
74-75°F
<1%
76-77°F
<1%
78-79°F
<1%
80-81°F
<1%
82-83°F
<1%
84-85°F
<1%
86-87°F
<1%
88°F or higher
<1%
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Seattle-Tacoma International Airport Station, available here: https://www.wunderground.com/history/daily/us/wa/seatac/KSEA.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
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: Jun 3, 2026, 12:05 AM ET
Resolution Source
https://www.wunderground.com/history/daily/us/wa/seatac/KSEAResolver
0x69c47De9D...The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Seattle-Tacoma International Airport Station, available here: https://www.wunderground.com/history/daily/us/wa/seatac/KSEA.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
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.wunderground.com/history/daily/us/wa/seatac/KSEAResolver
0x69c47De9D...Current forecasts from meteorological models indicate a high temperature in the low 60s°F for Seattle on June 5, driven by persistent onshore flow and marine air influence typical of early June along the Pacific Northwest coast. This places the outcome well below the 69°F threshold, aligning with the market-implied 98% probability for 69°F or below. Seattle’s climatological average high for early June hovers near 69–70°F, yet the current pattern favors cooler conditions than seasonal norms. Official National Weather Service observations at Seattle-Tacoma International Airport will determine resolution. A sudden shift in steering winds or reduced marine layer could allow brief warming, though model consensus remains stable into the event window.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated

Beware of external links.
Beware of external links.
Frequently Asked Questions