See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
25°
Partly Cloudy
Feels Like: 25°
Min: 21°
Max: 28°
The next few hours will be mostly cloudy, with today reaching 28°C and dropping to 21°C. The coming days will be light rain throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:03
Sunrise
18:02
Sunset
Moon
Waxing Gibbous
15:10
Moonrise
01:10
Moonset
Daily Forecast
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Tuesday
Wednesday
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Wednesday
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View stargazing scoreWeather in Iwakuni today, September 21, 2026
Expect a muted, overcast feel in Iwakuni on September 21, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. Expect a brighter morning, with limited cloud around 44% by 08:00. Conditions start on a settled note.
The day peaks near 28°C and cools toward 21°C. Expect humidity between 55% and 76%, most humid near 23:00. Winds stay light, near 5.5 km/h by 15:00, so the day feels still more than breezy.
Afternoon conditions open up, holding cloud close to 48% near 15:00. The day finishes on a milder, brighter note. Expect visibility around 16.1 km. Sunrise is at 06:03 and sunset at 18:02, giving 11 hours 58 minutes of sunlight today.
Overall, Iwakuni on September 21, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 28°C.
Frequently asked questions about weather in Iwakuni
How warm does it get in Iwakuni?
The warmest month in Iwakuni is August, with average high temperatures of 31°C. The average temperature during this period is around 28°C.
How cold does it get in Iwakuni?
The coldest month in Iwakuni is January, with average low temperatures of 2°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Iwakuni?
The wettest month in Iwakuni is July, with an average of 280mm of precipitation.
What is the driest time of year in Iwakuni?
The driest month in Iwakuni is January, with an average of 54mm of precipitation.
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