See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
25°
Mostly Cloudy
Feels Like: 24°
Min: 24°
Max: 28°
The next few hours will be mostly cloudy, with today reaching 28°C and dropping to 23°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
05:58
Sunrise
17:57
Sunset
Moon
Waxing Gibbous
15:02
Moonrise
01:06
Moonset
Daily Forecast
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Air Quality Data Available
Upgrade to access real-time air quality data for Nankoku.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Nankoku.
View stargazing scoreWeather in Nankoku today, September 21, 2026
Expect a mostly clear day in Nankoku on September 21, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. The first half of the day looks overcast, as cloud amounts reach about 73% around 04:00. Brighter weather, if it comes, waits until later.
Expect highs of 28°C and cooler readings close to 24°C. The air stays humid, with relative humidity between 62% and 71% and the peak around 06:00. Winds stay light, near 7.5 km/h by 06:00, so the day feels still more than breezy.
Later hours favour clearer intervals, as cloud stays near 56% around 12:00. The afternoon is the better half for outdoor time. Horizontal visibility holds close to 16.1 km. Sunrise is at 05:58 and sunset at 17:57, giving 11 hours 58 minutes of sunlight today.
The practical takeaway for Nankoku is a bright September 21, 2026, ideal for outdoor errands before temperatures ease from about 28°C.
Frequently asked questions about weather in Nankoku
How warm does it get in Nankoku?
The warmest month in Nankoku is August, with average high temperatures of 30°C. The average temperature during this period is around 28°C.
How cold does it get in Nankoku?
The coldest month in Nankoku is January, with average low temperatures of 5°C. The average temperature during this period is around 8°C.
What is the wettest time of year in Nankoku?
The wettest month in Nankoku is July, with an average of 345mm of precipitation.
What is the driest time of year in Nankoku?
The driest month in Nankoku is December, with an average of 55mm of precipitation.
Explore more weather forecasts
- Tosayamadachō-nakano, Kochi Prefecture
- Tokyo, Tokyo Prefecture
- Yamashita, Kochi Prefecture
- Yokohama, Kanagawa
- Kochi, Kochi Prefecture
- Osaka, Ōsaka-fu
- Ino, Kochi Prefecture
- Nagoya, Aichi-ken
- Tosa, Kochi Prefecture
- Sapporo, Hokkaido
- Aki, Kochi Prefecture
- Fukuoka, Fukuoka Prefecture
- Sakawa, Kochi Prefecture
- Kawasaki, Kanagawa
- Susaki, Kochi Prefecture
- Kobe, Hyōgo
