See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:39
Sunrise
17:38
Sunset
Moon
Waxing Gibbous
14:52
Moonrise
00:37
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 Hirao.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Hirao.
View stargazing scoreWeather in Hirao today, September 21, 2026
Hirao looks damp on September 21, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Early hours look the most unsettled, with rain probability near 94% by 05:00. The thickest cloud arrives around 05:00, reaching about 100%.
The temperature range runs from about 20°C up to 24°C. Relative humidity sits between 94% and 100%, reaching its peak around 18:00. A lighter breeze peaks around 23:00 near 3.6 km/h.
Expect the wet theme to continue later, as rain odds reach 100% near 22:00. Cloud amounts hold near 100% around 12:00. Expect visibility near 1.6 km, with poorer spells close to 0.0 km. Sunrise is at 05:39 and sunset at 17:38, giving 11 hours 58 minutes of sunlight today.
Overall, Hirao on September 21, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 100% and the high sits around 24°C.
Frequently asked questions about weather in Hirao
How warm does it get in Hirao?
The warmest month in Hirao is August, with average high temperatures of 27°C. The average temperature during this period is around 23°C.
How cold does it get in Hirao?
The coldest month in Hirao is January, with average low temperatures of -6°C. The average temperature during this period is around -3°C.
What is the wettest time of year in Hirao?
The wettest month in Hirao is July, with an average of 277mm of precipitation.
What is the driest time of year in Hirao?
The driest month in Hirao is November, with an average of 104mm of precipitation.
Explore more weather forecasts
- Nakano, Nagano-ken
- Tokyo, Tokyo Prefecture
- Obuse, Nagano-ken
- Yokohama, Kanagawa
- Iiyama, Nagano-ken
- Osaka, Ōsaka-fu
- Suzaka, Nagano-ken
- Nagoya, Aichi-ken
- Mure, Nagano-ken
- Sapporo, Hokkaido
- Nagano, Nagano-ken
- Fukuoka, Fukuoka Prefecture
- Sakaki, Nagano-ken
- Kawasaki, Kanagawa
- Chikuma, Nagano-ken
- Kobe, Hyōgo