Highest temperature in Wellington on July 7?

Platform comparison

Market context

The market tracks the highest temperature recorded at Wellington International Airport on 7 July 2026, with settlement based on Wunderground data. Current crowd-implied probability sits at 0% for the specific outcome, reflecting a consensus that the event will not occur within the defined range. Today’s conditions show light rain, a high of 14°C, and strong south-south-westerly winds, consistent with Wellington’s typical July climate where average highs reach only 54°F (12.2°C) [4].

Historical July data for Wellington International Airport confirms it is the coldest month, with mean daily maximums rarely exceeding 13–14°C [7]. Comparable cases from BBC Weather and NOAA show highs consistently between 11°C and 15°C during early July, making extreme deviations unlikely [3][1]. The 0% probability aligns with this thermal baseline, as no recent record suggests a spike beyond the expected range.

Traders should monitor real-time updates from the National Weather Service and Wunderground, particularly any sudden shifts in wind direction or cloud cover that could influence temperature [1]. While no specific announcements are pending, the settlement window closes at 12:00 UTC on 7 July, meaning final data must be captured before that time. Platforms like Polymarket use implied probability, whereas Kalshi and Betfair often display decimal odds, creating divergent pricing signals for the same event [2]. Fee structures and KYC requirements also vary, affecting liquidity and accessibility across these books.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We read Highest temperature in Wellington on July 7? from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.

Resolution & payout

Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.

Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.

FAQ

Which platform has the deepest liquidity?

Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.

Is Betfair a Polymarket alternative?

Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.

What about Smarkets as an alternative?

Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.

Are all these platforms regulated?

No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.

Which platform supports Klarna/SOFORT?

Directly: none. Polymarket accepts only USDC on Polygon. Kalshi Alternative offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.