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
05:29
Sunrise
17:27
Sunset
Moon
Waxing Gibbous
14:55
Moonrise
00:14
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 Hiranai.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Hiranai.
View stargazing scoreWeather in Hiranai today, September 21, 2026
Hiranai 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 42% by 07:00. The thickest cloud arrives around 05:00, reaching about 100%.
Temperatures climb from an overnight low near 21°C toward a daytime high of about 22°C. Expect humidity between 81% and 90%, most humid near 05:00. Expect gentle winds, highest near 05:00 at 6.3 km/h.
Through the afternoon the main story eases from the wetter morning, with rain odds nearer 0% after earlier peaks around 42%. Cloud remains in play near 99% around 12:00, but the heaviest damp risk should be behind you. Visibility stays generally good near 15.0 km on average, though it can drop toward 7.2 km in thicker cloud or showers. Daylight runs from 05:29 to 17:27, lasting 11 hours 58 minutes of sunlight today.
In short, treat September 21, 2026 in Hiranai as a damp day: pack covers, watch the wetter hours, and expect a high near 22°C.
Frequently asked questions about weather in Hiranai
How warm does it get in Hiranai?
The warmest month in Hiranai is August, with average high temperatures of 26°C. The average temperature during this period is around 24°C.
How cold does it get in Hiranai?
The coldest month in Hiranai is February, with average low temperatures of -1°C. The average temperature during this period is around 0°C.
What is the wettest time of year in Hiranai?
The wettest month in Hiranai is August, with an average of 204mm of precipitation.
What is the driest time of year in Hiranai?
The driest month in Hiranai is March, with an average of 84mm of precipitation.
Explore more weather forecasts
- Nobeji, Aomori-ken
- Tokyo, Tokyo Prefecture
- Aomori, Aomori-ken
- Yokohama, Kanagawa
- Shichinohe, Aomori-ken
- Osaka, Ōsaka-fu
- Toyota, Aomori-ken
- Nagoya, Aichi-ken
- Obuchi, Aomori-ken
- Sapporo, Hokkaido
- Namioka, Aomori-ken
- Fukuoka, Fukuoka Prefecture
- Towada, Aomori-ken
- Kawasaki, Kanagawa
- Kuroishi, Aomori-ken
- Kobe, Hyōgo
