See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
20°
Light Rain
Feels Like: 19°
Min: 19°
Max: 23°
The next few hours will be humid and overcast, with tomorrow reaching 20°C and dropping to 17°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
05:24
Sunrise
17:38
Sunset
Moon
Waxing Crescent
09:26
Moonrise
19:29
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Sendai.
Resources
UV Index
Humidity
Weather in Sendai tomorrow, September 16, 2026
Sendai looks damp on September 16, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. The morning carries the wetter risk, with rain chances near 94% and the highest odds around 01:00. Cloud is also thick early on, peaking near 100% around 00:00.
The temperature range runs from about 18°C up to 20°C. Moisture in the air spans 91%-99%, with the highest values around 00:00. Expect gentle winds, highest near 15:00 at 2.0 km/h.
Expect the wet theme to continue later, as rain odds reach 82% near 13:00. Cloud amounts hold near 100% around 12:00. Expect visibility near 11.6 km, with poorer spells close to 3.4 km. Daylight runs from 05:24 to 17:36, lasting 12 hours 11 minutes of sunlight today.
Taken together, Sendai looks wet enough on September 16, 2026 that flexible outdoor plans work best, with temperatures peaking near 20°C.
Frequently asked questions about weather in Sendai
How warm does it get in Sendai?
The warmest month in Sendai is August, with average high temperatures of 29°C. The average temperature during this period is around 25°C.
How cold does it get in Sendai?
The coldest month in Sendai is January, with average low temperatures of -2°C. The average temperature during this period is around 1°C.
What is the wettest time of year in Sendai?
The wettest month in Sendai is August, with an average of 217mm of precipitation.
What is the driest time of year in Sendai?
The driest month in Sendai is February, with an average of 51mm of precipitation.
Explore more weather forecasts
- Natori-shi, Miyagi-ken
- Tokyo, Tokyo Prefecture
- Rifu, Miyagi-ken
- Yokohama, Kanagawa
- Tagajō-shi, Miyagi-ken
- Osaka, Ōsaka-fu
- Tomiya, Miyagi-ken
- Nagoya, Aichi-ken
- Shiogama, Miyagi-ken
- Sapporo, Hokkaido
- Shōbudahama, Miyagi-ken
- Fukuoka, Fukuoka Prefecture
- Iwanuma, Miyagi-ken
- Kawasaki, Kanagawa
- Yoshioka, Miyagi-ken
- Kobe, Hyōgo
