See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
24°
Light Rain
Feels Like: 24°
Min: 24°
Max: 29°
The next few hours will be drizzle and breezy, with today reaching 29°C and dropping to 23°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
05:49
Sunrise
17:47
Sunset
Moon
Waxing Gibbous
14:53
Moonrise
00:56
Moonset
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View stargazing scoreWeather in Katsuura today, September 21, 2026
Katsuura 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. Morning plans should assume damp conditions, as rain chances climb toward 86% around 01:00. Cloud cover is also at its densest near 01:00 at roughly 100%.
Temperatures climb from an overnight low near 24°C toward a daytime high of about 29°C. Relative humidity sits between 67% and 90%, reaching its peak around 01:00. A lighter breeze peaks around 15:00 near 11.1 km/h.
Through the afternoon the main story eases from the wetter morning, with rain odds nearer 0% after earlier peaks around 86%. Cloud remains in play near 100% around 12:00, but the heaviest damp risk should be behind you. Visibility stays generally good near 14.9 km on average, though it can drop toward 6.2 km in thicker cloud or showers. The sun rises at 05:49 and sets at 17:47, for a total of 11 hours 58 minutes of sunlight today.
In short, treat September 21, 2026 in Katsuura as a damp day: pack covers, watch the wetter hours, and expect a high near 29°C.
Frequently asked questions about weather in Katsuura
How warm does it get in Katsuura?
The warmest month in Katsuura is August, with average high temperatures of 30°C. The average temperature during this period is around 27°C.
How cold does it get in Katsuura?
The coldest month in Katsuura is January, with average low temperatures of 5°C. The average temperature during this period is around 7°C.
What is the wettest time of year in Katsuura?
The wettest month in Katsuura is October, with an average of 346mm of precipitation.
What is the driest time of year in Katsuura?
The driest month in Katsuura is December, with an average of 75mm of precipitation.
