# Hokkaido weather patterns and seasonal shifts

> Live situation record from CLSTR: https://clstr.news/situations/hokkaido-weather-patterns-and-seasonal-shifts
> Updated: 2026-08-24T03:10:00.000Z. Sources: 5. Developments: 2.

Weather patterns in Hokkaido have transitioned from humid summer conditions toward cooler, autumnal weather. 

Initial reports indicated high humidity and thunder advisories for areas such as Furano and Otaru, with temperatures reaching 30 degrees Celsius. Subsequent forecasts show a cooling trend, with temperatures expected to drop to approximately 25 degrees Celsius. 

Atmospheric conditions have become unstable, bringing risks of localized heavy rain, lightning, and strong winds, particularly along the Sea of Japan side.

## Timeline

### 2026-08-24: Hokkaido weather shifts toward autumn amid rain warnings

Hokkaido faces localized heavy rain and a transition to cooler autumn temperatures, while local businesses continue relief donation efforts for Kumamoto earthquake victims.

4 sources. https://clstr.news/cluster/hokkaido-weather-shifts-toward-autumn-amid-rain-warnings

### 2026-08-19: Hokkaido weather forecast reports thunder advisories for Furano and Otaru

Weather reports for Hokkaido on August 20, 2026, forecast humid conditions, potential rain, and thunder advisories for areas including Furano and Otaru.

2 sources. https://clstr.news/cluster/hokkaido-weather-forecast-reports-thunder-advisories-for-furano-and-otaru

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Cite as: Hokkaido weather patterns and seasonal shifts. CLSTR, https://clstr.news/situations/hokkaido-weather-patterns-and-seasonal-shifts