Latest National Weather Service forecasts for Seattle on June 9 point to a daytime high near 62°F under strengthening onshore flow, with marine air and possible showers limiting warming and aligning with the market's leading 60-61°F and 62-63°F outcomes. Recent observations from Sea-Tac show highs around 62°F on June 8 amid light rain and overcast skies, following a brief warmer spell earlier in the week. This pattern reflects typical early-June climatology modified by regional pressure gradients that favor cooler, moister conditions rather than the seasonal average near 70°F. Forecast models show broad agreement on these temperatures with modest uncertainty from cloud cover and timing of any showers, while traders' real-capital positioning aggregates these variables into the observed probability distribution ahead of final NWS verification.
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 9?
60-61°F 38%
62-63°F 24%
58-59°F 21%
64-65°F 12%
$13,410 Vol.
$13,410 Vol.
51°F or below
<1%
52-53°F
<1%
54-55°F
<1%
56-57°F
5%
58-59°F
21%
60-61°F
38%
62-63°F
24%
64-65°F
12%
66-67°F
2%
68-69°F
<1%
70°F or higher
<1%
60-61°F 38%
62-63°F 24%
58-59°F 21%
64-65°F 12%
$13,410 Vol.
$13,410 Vol.
51°F or below
<1%
52-53°F
<1%
54-55°F
<1%
56-57°F
5%
58-59°F
21%
60-61°F
38%
62-63°F
24%
64-65°F
12%
66-67°F
2%
68-69°F
<1%
70°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 7, 2026, 9:03 PM 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...Latest National Weather Service forecasts for Seattle on June 9 point to a daytime high near 62°F under strengthening onshore flow, with marine air and possible showers limiting warming and aligning with the market's leading 60-61°F and 62-63°F outcomes. Recent observations from Sea-Tac show highs around 62°F on June 8 amid light rain and overcast skies, following a brief warmer spell earlier in the week. This pattern reflects typical early-June climatology modified by regional pressure gradients that favor cooler, moister conditions rather than the seasonal average near 70°F. Forecast models show broad agreement on these temperatures with modest uncertainty from cloud cover and timing of any showers, while traders' real-capital positioning aggregates these variables into the observed probability distribution ahead of final NWS verification.
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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