KalshiCheck availabilityKYC required2% feeVerified resolution dataRoughly calibratedCurrent implied probability72° to 73° 41.7%Leader of 6 outcomes
Market quality
61 / 100
Medium quality24h Volume
$9.8K
Liquidity
$7.2K
Medium liquidityBid / Ask
29.0% / 30.0%
Spread
1.0 pt
Tight spreadMarket data
Updated 45 minutes ago
LaggingJul 28, 26, 2:00 PMJul 30, 26, 5:00 AM
Trends
Paper funds only — no real moneyNot financial advice
Selected outcome
74° to 75°30%
Compare venues· 72° to 73°
Ranked by market quality, then liquidity and 24h volume| Venue | Quality | Probability | vs reference | 24h Vol | Liq | Freshness | |
|---|---|---|---|---|---|---|---|
| KalshiThis pageBest overall | Medium | 45% | — | $9.8K | $7.2K | 45 minutes ago | |
 Gemini93% match · auto | Low | 43% | — | $41 | $0 | 45 minutes ago | Open → |
Also available on Gemini
Highest temperature in Boston on July 29, 2026?
19h
40.9%
29.3%
15.9%
+3 more outcomes
38 • Low qualityModerate spreadLow liquidityThin market
Total Vol$41
24h Vol$41
GEMINIRules
If the maximum temperature recorded at Boston for Jul 29, 2026, is less than 68° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.
- Data for CLIBOS can be found by clicking the following URL: https://www.weather.gov/wrh/climate?wfo=box, navigating to the "Observed Weather" tab, and choosing the location "Boston (Logan Airport), MA" 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
$9.8kJul 282d of dataJul 29
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If the maximum temperature recorded at Boston for Jul 29, 2026, is less than 68° fahrenheit according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.
- Data for CLIBOS can be found by clicking the following URL: https://www.weather.gov/wrh/climate?wfo=box, navigating to the "Observed Weather" tab, and choosing the location "Boston (Logan Airport), MA" 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.