Overview
- The official count reached 139 hot days on October 17, surpassing Naha’s previous annual record of 137 set in 2016.
- Highs hit 33.5°C on October 16 and 31.6°C on October 17, extending the late-season heat.
- Meteorologists cite an unusually early end to the rainy season, a strong Pacific high, and fewer typhoons approaching the main island as key factors.
- A consecutive hot-day streak that began on July 28 stood at 81 days as of October 16, four short of the 2017 record of 85.
- Official forecasts for October 18–19 call for mostly sunny conditions under high pressure, with newly formed Typhoon No. 24 east of the Philippines expected to raise waves and bring rain to the Miyako, Yaeyama, and Daito regions.