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Hourly temperature, live

Kalshi's hourly markets in 4 cities settle on one number at the top of each hour. Here it is, minute by minute, beside the next hour's prices (30 minutes late on the free view).

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How these settle

  • Each hour Kalshi lists ten markets on one number at the top of the next hour: "81° or above", "80° or above" and so on. Each YES pays $1 if the number is above that step.
  • The number is the city's Kalshi Weather Index, not one thermometer: the average of five to eight airport stations' one-minute readings, each adjusted for how warm or cool it usually runs.
  • It settles on the index at the hour (the latest minute Kalshi published at or before it). Kalshi publishes every minute, a few minutes after it happens, and that's the number shown here.
  • Every hour is Eastern time, even in Chicago and Los Angeles: a "2 PM" market there settles at 2 PM Eastern.

  • Miami

    Miami and Fort Lauderdale airports, 5 stations

    78.80°

    index at 9:18 PM · up 0.4° in 30 min

    No hour listed right now: the next one opens an hour before it settles.

    Settled today:9 PM 78.08°8 PM 78.08°7 PM 78.44°6 PM 77.36°5 PM 77.72°4 PM 77.00°

  • New York City

    New York metro airports, 8 stations

    47.08°

    index at 9:18 PM · down 1.1° in 30 min

    No hour listed right now: the next one opens an hour before it settles.

    Settled today:9 PM 47.98°8 PM 50.00°7 PM 50.23°6 PM 51.58°5 PM 54.05°4 PM 58.10°

  • Chicago

    Chicago metro airports, 5 stations

    56.98°

    index at 8:18 PM · down 0.6° in 30 min

    No hour listed right now: the next one opens an hour before it settles.

    Settled today:9 PM 57.34°8 PM 58.28°7 PM 58.28°6 PM 59.36°5 PM 60.84°4 PM 61.88°

  • Los Angeles

    Coastal LA airports, 5 stations

    65.48°

    index at 6:18 PM · down 0.4° in 30 min

    No hour listed right now: the next one opens an hour before it settles.

    Settled today:10 PM 64.76°9 PM 65.84°8 PM 66.20°7 PM 68.00°6 PM 69.44°5 PM 69.80°

The index is Kalshi's own, published at kalshi.com with its method (each city's contract terms, Appendix B). Almanac shows information and tools. It never says what to buy or sell and never places an order.