See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
23°
Mostly Clear
Feels Like: 23°
Min: 23°
Max: 27°
The next few hours will be partly cloudy, with today reaching 27°C and dropping to 22°C. The coming days will be rain and humid throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:11
Sunrise
18:10
Sunset
Moon
Waxing Gibbous
15:13
Moonrise
01:22
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 Shimabara.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Shimabara.
View stargazing scoreWeather in Shimabara today, September 21, 2026
Plan for bright conditions in Shimabara on September 21, 2026, though cloud cover thickens for a spell near 06:00. The day as a whole still leans toward sunshine. The opening hours look fair, as cloud stays near 38% around 06:00. Morning errands should face fewer weather interruptions.
Expect highs of 27°C and cooler readings close to 23°C. Moisture in the air spans 55%-83%, with the highest values around 06:00. Winds stay light, near 7.1 km/h by 21:00, so the day feels still more than breezy.
Expect a more open afternoon, with limited cloud around 36% by 15:00. Residual damp risk should be lower than earlier. Views remain open at about 16.1 km. Daylight runs from 06:11 to 18:10, lasting 11 hours 58 minutes of sunlight today.
Overall, Shimabara on September 21, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 27°C.
Frequently asked questions about weather in Shimabara
How warm does it get in Shimabara?
The warmest month in Shimabara 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 Shimabara?
The coldest month in Shimabara 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 Shimabara?
The wettest month in Shimabara is June, with an average of 393mm of precipitation.
What is the driest time of year in Shimabara?
The driest month in Shimabara is January, with an average of 69mm of precipitation.
Explore more weather forecasts
- Unzen, Nagasaki Prefecture
- Tokyo, Tokyo Prefecture
- Minamishimabara, Nagasaki Prefecture
- Yokohama, Kanagawa
- Isahaya, Nagasaki Prefecture
- Osaka, Ōsaka-fu
- Ōmura, Nagasaki Prefecture
- Nagoya, Aichi-ken
- Obita, Nagasaki Prefecture
- Sapporo, Hokkaido
- Nagasaki, Nagasaki Prefecture
- Fukuoka, Fukuoka Prefecture
- Togitsu, Nagasaki Prefecture
- Kawasaki, Kanagawa
- Kawatana, Nagasaki Prefecture
- Kobe, Hyōgo