See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
22°
Light Rain and Humid
Feels Like: 22°
Min: 21°
Max: 24°
The next few hours will be light rain and humid, with today reaching 24°C and dropping to 24°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
05:34
Sunrise
17:33
Sunset
Moon
Waxing Gibbous
14:46
Moonrise
00:34
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 Ōwa.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Ōwa.
View stargazing scoreWeather in Ōwa today, September 21, 2026
Ōwa 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. The morning carries the wetter risk, with rain chances near 100% and the highest odds around 02:00. Cloud is also thick early on, peaking near 100% around 02:00.
Temperatures climb from an overnight low near 21°C toward a daytime high of about 24°C. The air stays humid, with relative humidity between 88% and 96% and the peak around 02:00. Expect gentle winds, highest near 18:00 at 6.9 km/h.
Through the afternoon wet weather remains a factor, with rain chances near 100% around 12:00. Cloud also stays substantial, close to 100% near 12:00. Horizontal visibility sits around 6.4 km, briefly nearer 2.5 km. Sunrise is at 05:34 and sunset at 17:33, giving 11 hours 58 minutes of sunlight today.
The practical takeaway for Ōwa on September 21, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 24°C.
Frequently asked questions about weather in Ōwa
How warm does it get in Ōwa?
The warmest month in Ōwa 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 Ōwa?
The coldest month in Ōwa 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 Ōwa?
The wettest month in Ōwa is July, with an average of 221mm of precipitation.
What is the driest time of year in Ōwa?
The driest month in Ōwa is December, with an average of 38mm of precipitation.
Explore more weather forecasts
- Ō-zanuki, Gunma-ken
- Tokyo, Tokyo Prefecture
- Akaiwa, Gunma-ken
- Yokohama, Kanagawa
- Tatebayashi, Gunma-ken
- Osaka, Ōsaka-fu
- Kamikoizumi, Gunma-ken
- Nagoya, Aichi-ken
- Itakura, Gunma-ken
- Sapporo, Hokkaido
- Ōta, Gunma-ken
- Fukuoka, Fukuoka Prefecture
- Sakai-nakajima, Gunma-ken
- Kawasaki, Kanagawa
- Kiryū, Gunma-ken
- Kobe, Hyōgo
