Tokyo Rain Prediction June 29: Will JMA Tokyo Station Record Rain?

Will Tokyo station record measurable rain on June 29?

Background

Tokyo weather is a daily search topic during Japan's rainy season, especially when commuters and travelers check whether clouds will turn into measurable rain. The Japan Meteorological Agency forecast issued on June 28 shows cloudy conditions with possible local rain for the Tokyo area on June 29.

Timeline

  • June 28 evening JST: JMA short-term forecast lists possible local rain for the Tokyo area.
  • June 29, 00:00-23:59 JST: Tokyo station observations determine whether measurable precipitation occurs.
  • After June 29: the market resolves from official JMA observation data.

Possible Outcomes

  • Yes: Tokyo station records at least 0.5 mm of precipitation on June 29 JST.
  • No: Tokyo station records less than 0.5 mm for the full day.
  • Other: official data is unavailable, the station is discontinued, or the result cannot be objectively verified.

Reference Information

  • The primary source is JMA official observation data for Tokyo station.
  • Forecast wording such as local rain is context only; settlement uses observations.
  • HiYesNo does not predict the weather result.

Frequently Asked Questions

  • Will it rain in Tokyo tomorrow?
    This market turns that search into a verifiable official observation question.
  • Why use Tokyo station instead of all of Tokyo?
    A named JMA station avoids ambiguity across a broad metro area.
  • Does light rain count?
    Yes, if official precipitation reaches at least 0.5 mm.
  • Does the forecast itself settle the market?
    No. Forecasts are context; observations settle the market.
  • When will it settle?
    After June 29 JST ends and official JMA data is available.
  • Is this weather advice?
    No. Users should check JMA and local safety information.
  • Yes
  • No
  • Other

Event Details

Predict whether JMA Tokyo station records at least 0.5 mm of rain on June 29, 2026.

Outcomes

  • Yes 34%
  • No 33%
  • Other 33%

Resolution Rules

This market resolves to "Yes" if the Japan Meteorological Agency official observation data for Tokyo station (Tokyo / 東京, JMA station code 44132) records total precipitation of at least 0.5 mm at any time from June 29, 2026, 00:00:00 to June 29, 2026, 23:59:59 Japan Standard Time. It resolves to "No" if the official JMA observation data for Tokyo station records less than 0.5 mm of precipitation for that full JST calendar day. It resolves to "Other" if JMA official observation data for Tokyo station is unavailable, the station is discontinued, the observation methodology is materially changed before or during the measurement window, or the result cannot be objectively verified by July 3, 2026, 23:59:59 Japan Standard Time. The primary resolution source is JMA official observation data, with archived JMA data used if the live page is unavailable. Forecasts, social media posts, and third-party weather apps are context only and do not settle the market. This rule is intended to be objectively verifiable and to cover 100% of possible outcomes.

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