See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
22°
Light Rain
Feels Like: 21°
Min: 20°
Max: 23°
The next few hours will be humid and overcast, with today reaching 23°C and dropping to 19°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:30
Sunrise
17:40
Sunset
Moon
Waxing Crescent
10:28
Moonrise
20:15
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
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Weather in Iwatsuki today, September 16, 2026
Iwatsuki starts September 16, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans.
Expect highs of 23°C and cooler readings close to 20°C. Moisture in the air spans 86%-95%, with the highest values around 23:00. Expect gentle winds, highest near 15:00 at 3.3 km/h.
Afternoon showers stay in play, peaking near 100% around 13:00. Skies remain cluttered, with cover about 100% by 13:00. Visibility stays generally good near 9.1 km on average, though it can drop toward 5.2 km in thicker cloud or showers. Daylight runs from 05:30 to 17:40, lasting 12 hours 10 minutes of sunlight today.
In short, treat September 16, 2026 in Iwatsuki as a damp day: pack covers, watch the wetter hours, and expect a high near 23°C.
Frequently asked questions about weather in Iwatsuki
How warm does it get in Iwatsuki?
The warmest month in Iwatsuki is August, with average high temperatures of 33°C. The average temperature during this period is around 29°C.
How cold does it get in Iwatsuki?
The coldest month in Iwatsuki is January, with average low temperatures of 0°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Iwatsuki?
The wettest month in Iwatsuki is October, with an average of 177mm of precipitation.
What is the driest time of year in Iwatsuki?
The driest month in Iwatsuki is December, with an average of 41mm of precipitation.
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