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
05:30
Sunrise
17:43
Sunset
Moon
Waxing Crescent
09:27
Moonrise
19:41
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 Ranzan.
Resources
UV Index
Humidity
Weather in Ranzan tomorrow, September 16, 2026
Ranzan 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. Morning plans should assume damp conditions, as rain chances climb toward 100% around 01:00. Cloud cover is also at its densest near 00:00 at roughly 100%.
Temperatures climb from an overnight low near 20°C toward a daytime high of about 22°C. Relative humidity sits between 94% and 99%, reaching its peak around 00:00. Expect gentle winds, highest near 15:00 at 2.1 km/h.
The second half of the day still looks unsettled, with rain probability around 100% by 12:00. Dense cloud near 100% at 12:00 keeps the feel grey. Visibility holds near 0.5 km, though it can fall to 0.2 km. Expect sunrise at 05:31, sunset at 17:42, and 12 hours 10 minutes of sunlight today overall.
The practical takeaway for Ranzan on September 16, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 22°C.
Frequently asked questions about weather in Ranzan
How warm does it get in Ranzan?
The warmest month in Ranzan is August, with average high temperatures of 31°C. The average temperature during this period is around 27°C.
How cold does it get in Ranzan?
The coldest month in Ranzan is January, with average low temperatures of -1°C. The average temperature during this period is around 3°C.
What is the wettest time of year in Ranzan?
The wettest month in Ranzan is July, with an average of 237mm of precipitation.
What is the driest time of year in Ranzan?
The driest month in Ranzan is December, with an average of 39mm of precipitation.
Explore more weather forecasts
- Ogawamachi, Saitama-ken
- Tokyo, Tokyo Prefecture
- Yamata, Saitama-ken
- Yokohama, Kanagawa
- Banshō, Saitama-ken
- Osaka, Ōsaka-fu
- Hatoyama, Saitama-ken
- Nagoya, Aichi-ken
- Higashi-Matsuyama, Saitama-ken
- Sapporo, Hokkaido
- Takasaka, Saitama-ken
- Fukuoka, Fukuoka Prefecture
- Ogose, Saitama-ken
- Kawasaki, Kanagawa
- Kumagaya, Saitama-ken
- Kobe, Hyōgo