How the New York City high-temperature market settles

Kalshi's New York City market settles on the daily high at Central Park (KNYC), not LaGuardia or JFK, as the climate report CLINYC and The Weather Company publish it. Series KXHIGHNY, listed since Aug 6, 2021.

Updated Oct 31, 4:20 AM EDT: newest final official high is for Fri, Oct 30.

Today in New York City

The settlement station

Central Park, Manhattan

Not LaGuardia or JFK.

Station
KNYC
Report code
CLINYC
NWS office
OKX
Time zone
America/New York

Source: Kalshi contract terms; NWS climate report CLINYC

Today's window (Sat, Oct 31)

1:00 AM Oct 31 to 1:00 AM Nov 1 EDT

Midnight to midnight EST, local standard time: 1:00 AM to 1:00 AM on New York City's clock while daylight saving is on.

Opened
Oct 30, 10:00 AM EDT
Closes
Nov 1, 1:00 AM EDT
Usually settles
around 6:12 AM
median 6.2 h after close, 77 settled days

Today's six brackets, in whole degrees

  • 58° or below
  • 59° to 60°
  • 61° to 62°
  • 63° to 64°
  • 65° to 66°
  • 67° or above

The window for any city and date

How New York City settled, day by day

Since Aug 14, 2026, 21 of 77 days (27%) settled on a tail bracket: 21 below the bottom bracket and 0 above the top one. In the last 30 days: 7 of 30.

DaySettled onWinning bracket
Thu, Oct 2966°66° or belowbottom tail
Wed, Oct 2861°60° to 61°
Tue, Oct 2761°60° to 61°
Mon, Oct 2669°68° to 69°
Sun, Oct 2564°64° to 65°
Sat, Oct 2460°59° to 60°
Fri, Oct 2359°59° to 60°
Thu, Oct 2267°67° to 68°
Wed, Oct 2162°61° to 62°
Tue, Oct 2067°67° to 68°
Mon, Oct 1962°62° to 63°
Sun, Oct 1857°56° to 57°
Sat, Oct 1762°62° to 63°
Fri, Oct 1672°74° or belowbottom tail
Thu, Oct 1564°64° to 65°
Wed, Oct 1477°77° or belowbottom tail
Tue, Oct 1371°71° to 72°
Mon, Oct 1270°69° to 70°
Sun, Oct 1160°61° or belowbottom tail
Sat, Oct 1069°68° to 69°
Fri, Oct 970°69° to 70°
Thu, Oct 873°72° to 73°
Wed, Oct 765°65° or belowbottom tail
Tue, Oct 660°62° or belowbottom tail
Mon, Oct 568°68° to 69°
Sun, Oct 462°62° or belowbottom tail
Sat, Oct 370°70° to 71°
Fri, Oct 283°83° to 84°
Thu, Oct 176°75° to 76°
Wed, Sep 3074°74° to 75°

Source: Each market's result, settlement value and time: Kalshi's public market data; Time of the high: NWS climate reports for KNYC, via IEM

When the high happens at Central Park

Over 365 days (Oct 31, 2025 to Oct 30, 2026), the median time of the official high was 2:54 PM local standard time, and half the highs came between 1:15 PM and 4:11 PM. Over the last 60 days the median was 2:51 PM.

Central Park's high came before 1 AM standard time (1 to 2 AM daylight time) on 16 of 365 days (4%): the climate day's warmest minutes were its first.

  • Midnight to 1 AM4%
  • 1 to 6 AM3%
  • 6 AM to noon7%
  • Noon to 3 PM38%
  • 3 to 6 PM38%
  • 6 PM to midnight9%

KNYC report times, standard time.

Source: NWS climate reports for KNYC, via IEM; IEM table of NWS climate reports

Not LaGuardia or JFK

Kalshi's New York City market settles on Central Park (KNYC) and nothing else. LaGuardia Airport (KLGA) and JFK International Airport (KJFK) publish their own climate reports, with their own daily high, which doesn't count.

LaGuardia Airport (KLGA) against Central Park, 7 km apart

Over 365 days (Oct 21, 2025 to Oct 20, 2026), the two official highs were the same whole degree on 83 of 365 days (23%). LaGuardia was warmer on 211 and cooler on 71, +0.8°F on average, and 2°F or more apart (a bracket's width) on 157.

Widest gaps: Jun 12, 2026, KLGA 98° and KNYC 90°; Apr 4, 2026, KLGA 68° and KNYC 73°.

JFK International Airport (KJFK) against Central Park, 24 km apart

Over 365 days (Oct 21, 2025 to Oct 20, 2026), the two official highs were the same whole degree on 64 of 365 days (18%). JFK was warmer on 155 and cooler on 146, −0.5°F on average, and 2°F or more apart (a bracket's width) on 193.

Widest gaps: Jun 12, 2026, KJFK 96° and KNYC 90°; Mar 10, 2026, KJFK 64° and KNYC 80°.

Source: NWS climate reports for KLGA (CLILGA), via IEM; NWS climate reports for KJFK (CLIJFK), via IEM; NWS climate reports for KNYC, via IEM

New York City on Polymarket

Polymarket's New York City market settles on LaGuardia Airport (KLGA), not Central Park (KNYC): the highest of its hourly readings in whole °F, over the local calendar day, in 2°F ranges. The two exchanges can settle the same day differently.

Kalshi vs Polymarket in New York City: the stations and the last 30 days side by side

Did the afternoon report's high hold?

On 183 days from May 1, 2026 to Oct 30, 2026, the NWS's afternoon preliminary report (usually "as of 4 PM" local time) had the same high as the final report on 156 of 183 days (85%). The final report came in higher on 27 and never lower.

Every one of those 27 higher finals put the high after the 4 PM cutoff.

Source: Every NWS climate report issued for KNYC (CLINYC), via IEM's text archive

Records and normals at Central Park

The normal high for Oct 31 is 59°F and the record high is 81°F. The normal falls to 49°F by Nov 30.

Against the normal
-0.5°F on average
above on 143, below on 197 of 365 days
Warmest and coolest
100° and 17°
100° on Jul 2, 2026; 17° on Jan 24, 2026
Record highs set or tied
4 days
Jul 2 100°, Apr 15 90°, Mar 10 80°, …

365 final highs at KNYC, Oct 31, 2025 to Oct 30, 2026, against the normal and record each report printed.

Source: NWS climate reports for KNYC, via IEM; NOAA NCEI U.S. Climate Normals

Stations nearby

Climate-report stations near Central Park, and how their official highs ran against it. None settles the New York City market.

  • Newark Liberty International Airport KEWR · 20 km+2.3°F on average; the same whole degree on 33 of 365 days, 2°F or more apart on 257.

Other reporting stations within 25 km (METARs only, no climate report): New York/Downtown (KJRB, 10 km), Teterboro Arpt (KTEB, 11 km).

Straight-line distances from KNYC; snapshot Oct 21, 2026.

Source: IEM's list of NWS climate-report sites; aviationweather.gov station information

Questions about New York City

Which station settles Kalshi's New York City high-temperature market?

Central Park, Manhattan (KNYC), the station named by the climate-report code CLINYC in the market's rules. Not LaGuardia or JFK.

What hours count toward New York City's daily high?

Midnight to midnight EST, local standard time. During daylight saving that is 1:00 AM Oct 31 to 1:00 AM Nov 1 EDT.

When does the New York City market close and settle?

Trading closes at 1:00 AM EDT after the day ends. Over the last 77 settled days the result posted a median of 6.2 hours after close.

What are New York City's brackets for Sat, Oct 31?

58° or below, 59° to 60°, 61° to 62°, 63° to 64°, 65° to 66°, 67° or above, compared with Central Park's published whole-degree high. The two tails are strict.

How often does New York City settle on a tail bracket?

On 21 of 77 settled days from Aug 14, 2026 to Oct 29, 2026 (27%): 21 on the bottom tail and 0 on the top tail.

When does New York City's daily high usually happen?

Over 365 days to Oct 30, 2026, the median time of the official high at KNYC was 2:54 PM local standard time. On 16 of those days it came before 1 AM standard time.

How often does the afternoon climate report's high change by the final report in New York City?

From May 1, 2026 to Oct 30, 2026, the afternoon preliminary report's high matched the final report's on 156 of 183 days. The final was higher on 27 and lower on 0.

Does LaGuardia Airport's temperature count for Kalshi's New York City market?

No. Only Central Park (KNYC) does. Over 365 days to Oct 20, 2026, KLGA's official high was the same whole degree as KNYC's on 83 days and 2°F or more apart on 157.

The rules every city shares · Reading CLINYC · The Aug 14, 2026 change

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