PolymarketCheck availabilityNo KYC2% feeVerified resolution dataRoughly calibratedCurrent implied probability76-77°F 45%+14.5ptLeader of 11 outcomes
Market quality
73 / 100
Medium quality24h Volume
$6.4K
Liquidity
$42K
High liquidityBid / Ask
27.0% / 28.0%
Spread
1.0 pt
Tight spreadMarket data
Updated 20 minutes ago
Jul 29, 26, 1:03 AMJul 30, 26, 12:00 PM
Trends
Paper funds only — no real moneyNot financial advice
Selected outcome
76-77°F49%
Compare venues· 76-77°F
Ranked by market quality, then liquidity and 24h volume| Venue | Quality | Probability | vs reference | 24h Vol | Liq | Freshness | |
|---|---|---|---|---|---|---|---|
| PolymarketThis pageBest overall | Medium | 49% | — | $6.4K | $42K | 20 minutes ago | |
 Kalshi84% match · auto | Medium | 46% | — | $3.9K | $3K | 20 minutes ago | Open → |
Also available on Kalshi
Highest temperature in Seattle on Jul 30, 2026?
1d
44.2%
25%
21.1%
+3 more outcomes
68 • Medium qualityTight spreadMedium liquidityHigh ambiguity
Total Vol$3.9K
24h Vol$3.9K
KALSHIRules
This market will resolve to the temperature range that contains the highest temperature recorded at the Seattle-Tacoma International Airport Station in degrees Fahrenheit on 30 Jul '26.
- 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.
Probabilities may differ due to different market structures, fees, and participant pools.
Volume trend
$6.4kJul 292d of dataJul 30
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Rules
This market will resolve to the temperature range that contains the highest temperature recorded at the Seattle-Tacoma International Airport Station in degrees Fahrenheit on 30 Jul '26.
- 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.