Highest temperature in Wellington on June 4?

Platform comparison

Active sub-markets

Market context

On 4 June 2026, Wellington International Airport will record a daily maximum temperature in Celsius, with settlement determined by the highest reading logged at that meteorological station. The 0% crowd probability suggests traders across platforms are either not yet engaged with this specific date or expect conditions unlikely to trigger the upper temperature ranges available in the resolution brackets. Polymarket's current liquidity on this market reflects typical early-season winter positioning for New Zealand's capital, where June temperatures historically cluster between 8–13°C; Kalshi and Betfair may show divergent decimal odds representations of the same underlying event, though all three platforms source from Wunderground's historical data feed.

Wellington's winter weather in early June is shaped by Southern Hemisphere seasonal patterns and the city's exposed Cook Strait location, which moderates extremes but introduces wind-driven variability. Historical June maxima at the airport station rarely exceed 15°C, with cold fronts occasionally driving readings below 5°C; traders should monitor MetService forecasts and NIWA outlooks released in late May, as these typically signal whether anomalous warmth or cold will dominate the settlement window. The New Zealand Meteorological Service publishes extended forecasts roughly ten days ahead, providing the primary catalyst for probability shifts on all major platforms.

Fee structures differ materially across venues: Polymarket charges 2% on both sides, whilst Kalshi's tiered model and Betfair's commission-based approach may alter effective odds for this low-liquidity weather contract. KYC requirements vary by jurisdiction, with Kalshi requiring US residency and Polymarket operating under broader international access, affecting which trader cohorts can participate and potentially influence the final probability distribution.

Methodology

We read Highest temperature in Wellington on June 4? 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 quote comes directly from the Polygon order book; the other three are listed with their platform attributes — fees, KYC, settlement currency, payment options — because a 1:1 contract comparison without API access would be guesswork.

Resolution & payout

Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). Polymarket Alternative UK routes every trade directly into Polymarket's on-chain settlement, which is why payouts land fastest.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Alternative UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket Alternative UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Alternative UK triggers a quick verification flow that finishes in minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.