See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
23°
Light Rain and Humid
Feels Like: 23°
Min: 21°
Max: 25°
The next few hours will be humid and overcast, with today reaching 25°C and dropping to 23°C. The coming days will be mostly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:32
Sunrise
17:31
Sunset
Moon
Waxing Gibbous
14:43
Moonrise
00:33
Moonset
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View stargazing scoreWeather in Tsukubamirai today, September 21, 2026
Rain features in Tsukubamirai on September 21, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Wetter spells lean into the morning, when rain odds reach about 100% near 08:00. Skies look heaviest around 08:00, with cover close to 100%.
Temperatures climb from an overnight low near 21°C toward a daytime high of about 25°C. Expect humidity between 87% and 98%, most humid near 09:00. Expect gentle winds, highest near 23:00 at 7.9 km/h.
Afternoon showers stay in play, peaking near 100% around 12:00. Skies remain cluttered, with cover about 100% by 12:00. Horizontal visibility sits around 4.6 km, briefly nearer 0.4 km. Expect sunrise at 05:32, sunset at 17:31, and 11 hours 58 minutes of sunlight today overall.
Overall, Tsukubamirai on September 21, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 100% and the high sits around 25°C.
Frequently asked questions about weather in Tsukubamirai
How warm does it get in Tsukubamirai?
The warmest month in Tsukubamirai is August, with average high temperatures of 32°C. The average temperature during this period is around 28°C.
How cold does it get in Tsukubamirai?
The coldest month in Tsukubamirai is January, with average low temperatures of 0°C. The average temperature during this period is around 4°C.
What is the wettest time of year in Tsukubamirai?
The wettest month in Tsukubamirai is June, with an average of 174mm of precipitation.
What is the driest time of year in Tsukubamirai?
The driest month in Tsukubamirai is December, with an average of 46mm of precipitation.