KalshiCheck availabilityKYC required2% feeVerified resolution dataRoughly calibratedCurrent implied probability74° to 75° 39.8%Leader of 6 outcomes
Market quality
66 / 100
Medium quality24h Volume
$3.5K
Liquidity
$3.1K
Medium liquidityBid / Ask
24.0% / 25.0%
Spread
1.0 pt
Tight spreadMarket data
Updated 15 minutes ago
Jul 27, 26, 2:00 PMJul 29, 26, 8:00 AM
Trends
Paper funds only — no real moneyNot financial advice
Selected outcome
76° to 77°24%
Compare venues· 74° to 75°
Ranked by market quality, then liquidity and 24h volume| Venue | Quality | Probability | vs reference | 24h Vol | Liq | Freshness | |
|---|---|---|---|---|---|---|---|
 PolymarketBest overall84% match · auto | High | 49% | — | $9.8K | $35.1K | 15 minutes ago | Open → |
| KalshiThis page | Medium | 43% | — | $3.5K | $3.1K | 15 minutes ago |
Also available on Polymarket
Highest temperature in Seattle on July 28?
11.5 pts7h
+11.5pt47.6%
+5.0pt31.1%
-5.0pt13.6%
+8 more outcomes
75 • High qualityModerate spreadHigh liquidityHigh ambiguity
Total Vol$10.2K
24h Vol$9.8K
POLYMARKETRules
If the maximum temperature recorded at Seattle for Jul 28, 2026, is less than 72° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.
- Data for CLISEA can be found by clicking the following URL: https://www.weather.gov/wrh/climate?wfo=sew, navigating to the "Observed Weather" tab, and choosing the location "Seattle-Tacoma, WA" with Daily Climate Report selected.
- Please use the latest version of the data for the desired date, keeping in mind that different cities update their reports at different frequencies.
- Not all weather data is the same.
- While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above.
- Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances.
Probabilities may differ due to different market structures, fees, and participant pools.
Volume trend
$3.5kJul 272d of dataJul 28
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If the maximum temperature recorded at Seattle for Jul 28, 2026, is less than 72° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.
- Data for CLISEA can be found by clicking the following URL: https://www.weather.gov/wrh/climate?wfo=sew, navigating to the "Observed Weather" tab, and choosing the location "Seattle-Tacoma, WA" with Daily Climate Report selected.
- Please use the latest version of the data for the desired date, keeping in mind that different cities update their reports at different frequencies.
- Not all weather data is the same.
- While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the maximum/minimum temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above.
- Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances.