weather

Will the highest temperature in Cape Town be 16°C on October 18?

PlatformPolymarket Expires2026-10-18 Volume$45,973 Open Interest$4,505
YES
23¢
Implied probability: 23.2%
NO
76¢
Implied probability: 76.8%
30-DAY PROBABILITY HISTORY Low 23¢ · High 23¢ · Δ +0.0pp
Where this question trades

No other exchange lists this exact question right now. The Divergence Index shows the questions that trade on two or three venues at once.

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YES Price
23¢
NO Price
76¢
Total Volume
$45,973
Open Interest
$4,505
Expiration
2026-10-18
Days Left
0
About this market

What resolves this contract

This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Cape Town International Airport Station in degrees Celsius on 18 Oct '26. The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=fact If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution sou

Reading the odds on this market

At 23.2¢ for YES, traders are pricing about a 23.2% chance this happens, roughly 1 in 4.

$10 on YES buys about 43 contracts that pay $43.01 if it happens; $10 on NO at 76.8¢ buys about 13.0 that pay $13.03 if it does not.

$45,973 has traded on it on Polymarket, with $4,505 still riding on the outcome, making it number 148 by volume of the 389 markets we track.

Payouts are before platform fees; one contract pays $1 if its side wins.

How to read the price

Prediction market prices are expressed in cents on the dollar. A YES contract trading at 23¢ means the market is pricing in a 23.2% implied probability of the event resolving YES. If resolution comes back YES, the contract pays $1. If NO, it pays $0.

Volume vs. open interest

Total traded volume ($45,973) reflects every buy and sell across the life of this contract. Open interest ($4,505) is the dollar value of positions currently held by traders. Deep liquidity and wide open interest are the two signals that the quoted price is reliable.

Where to trade this market

This contract is listed on Polymarket. PicksByOdds does not accept deposits, execute trades, or offer brokerage. We publish the data; you decide what to do with it.

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Also available on Kalshi

Similar markets on the US-regulated exchange

Kalshi lists related contracts US traders can legally access. Spread is typically similar; liquidity varies.

MarketYESVolume
Will the maximum temperature be >85° on Oct 18, 2026: 86° or above 99¢ $56,855
Will the maximum temperature be 84-85° on Oct 18, 2026: 84° to 85° 1¢ $30,176
Will the maximum temperature be 58-59° on Oct 18, 2026: 58° to 59° 9¢ $29,432
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Will there be at least 10000 measles cases in the U.S. in 2026? 7¢ $6,531,083
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FAQ

Common questions about this market

How is this market resolved?

This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Cape Town International Airport Station in degrees Celsius on 18 Oct '26. The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=fact If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution sou

When does this contract expire?

This contract closes on 2026-10-18. After close, the final outcome is determined per the resolution rules above, and contracts settle at $1 (winning side) or $0 (losing side).

What happens if I buy YES at 23¢?

If the event resolves YES, each YES contract pays $1, a profit of 77¢ per dollar risked. If it resolves NO, the contract pays $0 and the full 23¢ is lost. Current market price implies a 23.2% probability of YES.

Where is this market listed?

This contract is listed on Polymarket. PicksByOdds aggregates and displays public market data; we do not broker trades or custody funds.

How reliable is the quoted price?

This market has $45,973 in total traded volume and $4,505 in open interest. Deeper liquidity generally means tighter spreads and more reliable implied probabilities. Prices refresh multiple times per day.

Disclaimer: Prediction market data on this page is sourced from public order books. Prices change continuously; figures shown here reflect the last refresh at 2026-10-18. Nothing on this page constitutes investment or betting advice.
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