weather markets

Philadelphia high temperature

The market settles on the official high at Philadelphia International Airport (KPHL). Updated 10:57 am local time.

Traders favor 67° to 68° at 53¢. Forecast models lean toward 65° to 66° at 40%, and give the traders' pick 13%.

High so far
56°at 10:20 am
Latest reading
57°at 10:45 am
NWS forecast high
64°National Weather Service
Model range
64°–66°8 in 10 of 82 runs, adjusted +2° for this station
Philadelphia high temperature for Wednesday, October 21: market prices and forecast odds by temperature range
Market priceHighForecast odds
16¢
69° or above
1%−14 points versus market
53¢
67–68°
13%−40 points versus market
31¢
65–66°
40%+9 points versus market
2¢
63–64°
34%+32 points versus market
<1¢
61–62°
9%+9 points versus market
<1¢
60° or below
3%

A price of 54¢ means traders put the chance at about 54%. Prices are the midpoint between the best bid and ask. Forecast odds come from 82 runs of the GFS and ECMWF ensemble models, adjusted to today's readings and never below the high already recorded. How we calculate this

View this market on Kalshi34,883 contracts traded
7 am1 pm7 pm56°
Readings from the settlement station since the climate day began.

About this market

How does the Philadelphia high temperature market settle?

It settles on the official daily maximum recorded at Philadelphia International Airport (station KPHL). Kalshi's rules name the station's daily climate report and take the final value from The Weather Company. Apps that show a city-wide temperature often use other sensors, so their numbers can differ by a few degrees.

When does the day start and end?

The official climate day runs midnight to midnight in local standard time. During daylight saving time, that means 1:00 am to 1:00 am on the clock. A late-night warm spell after midnight can still count toward the previous day.

What do the forecast odds mean?

We run every member of the GFS and ECMWF ensemble forecasts through the same temperature ranges as the market. If 30 of 82 runs land in a range, after a small adjustment for the difference between a model grid cell and one thermometer, that range gets roughly 37%.

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