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Hong Kong Records Warmest October in 142 Years Amid El Nino and Weak Monsoon Hot: Odds moved 11 points in 24 hours

El Nino, a weak monsoon, and an anticyclone drove Hong Kong's mean maximum temperature to 30.5 degrees Celsius.

2 publishers · 2 articles · first seen 30 Oct 2026 · updated 3h ago

Headline and summary written by an AI model from the linked articles; not reviewed by a person. How this was made

The odds

How the odds moved · Will the highest temperature in Hong Kong be 30°C on November 2?
0%50%100%43%31 Oct, 09:22 UTCnowNews - South China Morning Post: El Nino, weak monsoon behind Hong Kong’s warmest October in 142 years · 1 Nov, 09:15 UTC

Each tick is a source publishing on this story · 1 more published before price tracking began

Price data
TimeChance of yes
now43%
1 Nov, 12:16 UTC43%
1 Nov, 11:48 UTC42%
1 Nov, 11:26 UTC42%
1 Nov, 10:57 UTC44%
1 Nov, 10:28 UTC44%
1 Nov, 09:42 UTC46%
1 Nov, 09:22 UTC47%
31 Oct, 09:22 UTC42%

The story so far

2 publishers have covered this in 2 articles since 30 Oct 2026. Scientific American published first, on 30 October at 15:45 UTC; News - South China Morning Post followed 41h 31m later. The most recent article, from News - South China Morning Post, appeared on 1 November at 09:15 UTC.

Outlets reporting it: Scientific American, News - South China Morning Post.

2 prediction markets price this story:

  • Will the highest temperature in Hong Kong be 30°C on November 2? — the market puts it at 43%, with $2k traded in the last 24 hours, closing 2 Nov 2026. The market resolves based on the highest temperature recorded by the Hong Kong Observatory on November 2, 2026. 'Yes' requires that specific daily maximum to reach exactly 30°C, while 'No' covers all other values. Readers often mistake the linked story about October's record for the relevant data or ignore the strict cutoff of the initial publication date.
  • Will the lowest temperature in Hong Kong be 26°C on November 2? — the market puts it at 46%, with $2k traded in the last 24 hours, closing 2 Nov 2026. The market resolves based on the lowest temperature recorded by the Hong Kong Observatory on November 2, 2026. You must check the official Daily Extract for the finalized minimum value in Celsius to determine if it is exactly 26°C. Readers often mistake the linked news story about October's warmth for the relevant data, but only the specific daily minimum on November 2 counts.

Odds are the market's probability that the outcome happens, updated every few minutes. They are information about what traders expect, not a forecast we make and not investment advice.

Sources

Every article we clustered into this story. Headlines link to the publisher.

  1. El Nino, weak monsoon behind Hong Kong’s warmest October in 142 years News - South China Morning Post
  2. This October is on track to be the hottest ever recorded Scientific American

Related prediction markets

Linked by software because they are about the same subject. Most ask a different question from the one this story reports, so read each market's own question. How often the link is right

  • Polymarket Will the highest temperature in Hong Kong be 30°C on November 2? 43% +1 $2k 24hends 2 Nov 2026

    Does the market have this right?

    Wrong market?

  • Polymarket Will the lowest temperature in Hong Kong be 26°C on November 2? 46% +11 $2k 24hends 2 Nov 2026

    Does the market have this right?

    Wrong market?

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In this story

  • Hong Kong Observatory
  • El Nino
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