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Hourly Forecast
Daylight Hours
06:21
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18:20
Sunset
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Waxing Gibbous
15:07
Moonrise
01:48
Moonset
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View stargazing scoreWeather in Okinawa today, September 21, 2026
Okinawa starts September 21, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. Wetter spells lean into the morning, when rain odds reach about 24% near 04:00. Skies look heaviest around 04:00, with cover close to 25%.
Expect highs of 28°C and cooler readings close to 24°C. Expect humidity between 70% and 88%, most humid near 06:00. Airflow remains manageable, reaching about 5.7 km/h around 15:00.
Later hours look less wet than the morning, when rain odds were closer to 24%; afternoon chances sit nearer 10%. Residual cloud near 29% around 21:00 may linger. Visibility stays near 16.1 km. The sun rises at 06:21 and sets at 18:20, for a total of 11 hours 59 minutes of sunlight today.
Taken together, Okinawa looks wet enough on September 21, 2026 that flexible outdoor plans work best, with temperatures peaking near 28°C.
Frequently asked questions about weather in Okinawa
How warm does it get in Okinawa?
The warmest month in Okinawa is August, with average high temperatures of 29°C. The average temperature during this period is around 28°C.
How cold does it get in Okinawa?
The coldest month in Okinawa is January, with average low temperatures of 17°C. The average temperature during this period is around 18°C.
What is the wettest time of year in Okinawa?
The wettest month in Okinawa is June, with an average of 257mm of precipitation.
What is the driest time of year in Okinawa?
The driest month in Okinawa is February, with an average of 99mm of precipitation.
