Highest temperature in Wellington on July 1?

Platform comparison

Market context

Forecasters now expect a typical cool mid‑winter day at Wellington Airport, with model guidance clustering around a high in the low double digits Celsius and no sign of an anomalous warm spike.[2][6] The crowd’s effective 0% pricing for more extreme outcomes reflects the tightening spread in short‑range forecasts as synoptic charts lock in a passing front followed by onshore flow, limiting any brief inland warming.

Historical data for Wellington in July show average daytime maxima close to **11°C**, with nights around 6°C and frequent rainfall, indicating a narrow, low range for likely daily highs.[2][4] Long‑term climate normals and recent years’ airport observations point to most mid‑winter days topping out between 9–13°C, with outliers only rarely pushing much above this band.[2] NIWA’s May–July 2026 seasonal outlook flags temperatures as most likely near average, with occasional cold snaps under high pressure, further supporting the view that any unusually high reading today would be climatologically unlikely.[3]

Traders should focus on the latest hourly and daily forecasts from mainstream providers for Wellington Airport, watching for any late‑breaking changes in frontal timing, cloud cover, or wind direction that could shift the maximum up or down by a degree.[6] NIWA’s seasonal guidance, referencing warmer‑than‑average local sea‑surface temperatures, suggests marine influence remains significant, but not enough to overturn the near‑average signal for this period.[3] The Wunderground station feed for NZWN will ultimately determine settlement, so any discrepancies between city‑wide forecasts and airport‑specific observations, especially around the warmest part of the afternoon, are key dependencies.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Wellington on July 1? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Prediction Today, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

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How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

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Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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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.