New York City high temperature: Kalshi vs Polymarket

Kalshi settles on Central Park (KNYC). Polymarket settles on LaGuardia Airport (KLGA), a different station.

Kalshi

Central Park (KNYC)

The day's official high, 1 AM to 1 AM while clocks are on daylight time.

Today, live · How it settles

Polymarket

LaGuardia Airport (KLGA)

The highest hourly reading on NOAA's page for the station, in whole degrees, on the local calendar day.

The station on NOAA

Polymarket today, at LaGuardia Airport

Highest hourly reading so far at LaGuardia Airport (KLGA): 54°F at 12:51 AM. The line is each hourly report, the reports Polymarket's rules count; the stripes are its ranges.

How today is going

  • Station readings
  • High so far
  • Ranges, brighter = pricier (Polymarket, 30 min late)

New York City so far today: the high is 54°F (12:51 AM), in the 54° to 55° bracket. The favorite is 58° to 59° at 63¢ (Polymarket, 30 minutes late), 4° above the high so far. The day ends at 12:00 AM EDT. 7 reports from KLGA from 12:00 AM to 7:17 AM EDT, between 51°F and 54°F; the latest 51°F at 6:51 AM.

aviationweather.govjust now, fetched Oct 31, 7:17 AM EDTPolymarket, 30 min late32 min ago, fetched Oct 31, 6:45 AM EDT
The chart's numbers
Brackets (prices 30 minutes late)
BracketPriceNote
72° or above<1¢
70° to 71°<1¢
68° to 69°<1¢
66° to 67°<1¢
64° to 65°<1¢
62° to 63°1¢
60° to 61°29¢
58° to 59°63¢favorite
56° to 57°8¢
54° to 55°1¢high so far
53° or below<1¢
Station reports
TimeReading
6:51 AM51°F
5:51 AM52°F
4:51 AM52°F
3:51 AM53°F
2:51 AM53°F
1:51 AM54°F
12:51 AM54°F
RangePrice (30 min late)Traded
72° or above<1¢233
70°–71°<1¢112
68°–69°<1¢112
66°–67°<1¢265
64°–65°<1¢555
62°–63°1¢1,489
60°–61°29¢5,524
58°–59°63¢4,351
56°–57°8¢3,653
54°–55°high so far1¢1,030
53° or below<1¢690
Polymarket, 30 min late32 min ago, fetched Oct 31, 6:45 AM EDTaviationweather.govjust now, fetched Oct 31, 7:17 AM EDT

Almanac's °F is each report's tenths of a degree Celsius, rounded. Polymarket settles on NOAA's page for the station, which lists the same reports. Today's market on Polymarket.

Make your call

Which range will New York City settle on today? For fun: no money, no orders, nothing sent to Polymarket. It counts on the weekly leaderboard: a right call scores 100 minus its price when you called it.

Create a free account to make your call.

The last 30 days, side by side

Polymarket's winning range held the high Kalshi settled on for 9 of 30 days; it came out warmer on 20 and cooler on 1.

DayKalshi (KNYC)Polymarket (KLGA)Polymarket wasCompared
Oct 2966°68°–69°Polymarket warmer
Oct 2861°62°–63°Polymarket warmer
Oct 2761°62°–63°Polymarket warmer
Oct 2669°70°–71°Polymarket warmer
Oct 2564°66°–67°Polymarket warmer
Oct 2460°62°–63°Polymarket warmer
Oct 2359°60°–61°Polymarket warmer
Oct 2267°66°–67°Same high
Oct 2162°62°–63°Same high
Oct 2067°68°–69°Polymarket warmer
Oct 1962°62°–63°Same high
Oct 1857°58°–59°Polymarket warmer
Oct 1762°62°–63°Same high
Oct 1672°74°–75°Polymarket warmer
Oct 1564°66°–67°Polymarket warmer
Oct 1477°78°–79°Polymarket warmer
Oct 1371°72°–73°Polymarket warmer
Oct 1270°70°–71°Same high
Oct 1160°60°–61°Same high
Oct 1069°68°–69°Same high
Oct 970°72°–73°Polymarket warmer
Oct 873°76°–77°Polymarket warmer
Oct 765°66°–67°Polymarket warmer
Oct 660°62°–63°Polymarket warmer
Oct 568°70°–71°Polymarket warmer
Oct 462°62°–63°Same high
Oct 370°70°–71°Same high
Oct 283°86°–87°Polymarket warmer
Oct 176°78°–79°Polymarket warmer
Sep 3074°72°–73°Polymarket cooler

Source: Kalshi's settlements: Kalshi's public market data; Polymarket's results: each daily event

How the two read the day

RuleKalshiPolymarket
What counts as the highThe day's official high for the station, as The Weather Company publishes it for Kalshi (weather.com/kalshi) for events from Aug 14, 2026. It has matched the NWS climate report's official high on 1,587 of 1,588 settled days, and that high counts a peak between hourly reports.The highest reading in the "Temp" column of NOAA's time-series page for the station, using its hourly data, in whole degrees. A peak between two readings isn't in that column, so it can come out lower than the official high.
The dayMidnight to midnight local standard time, so 1 AM to 1 AM while clocks are on daylight time.Every time listed on that day on NOAA's page, which shows the station's local clock time.
The rangesTwo-degree brackets, with an open bracket at each end. Where the brackets start moves from day to day (61°–62° one day, 62°–63° another).Two-degree ranges that start on an even number (62°–63°), with an open range at each end.
When it settlesAfter the final report for the day is out, usually the next morning.Once the first reading of the next day is on NOAA's page, or by 11:59 PM Eastern the next day. If NOAA has no data by then, the Weather Underground daily observations table is used.

Source: Polymarket's market rules (read Thu, Oct 22); Kalshi contract terms; The Weather Company's Kalshi data

All 11 cities, Kalshi vs Polymarket

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