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
17:42
Sunset
Moon
Waxing Crescent
09:26
Moonrise
19:40
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 Okegawa.
Resources
UV Index
Humidity
Weather in Okegawa today, September 15, 2026
Rain features in Okegawa on September 15, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Morning plans should assume damp conditions, as rain chances climb toward 98% around 11:00. Cloud cover is also at its densest near 11:00 at roughly 100%.
The day peaks near 26°C and cools toward 22°C. Relative humidity sits between 82% and 97%, reaching its peak around 11:00. A lighter breeze peaks around 15:00 near 2.5 km/h.
The second half of the day still looks unsettled, with rain probability around 98% by 12:00. Dense cloud near 100% at 12:00 keeps the feel grey. Visibility stays generally good near 11.0 km on average, though it can drop toward 6.9 km in thicker cloud or showers. The sun rises at 05:29 and sets at 17:42, for a total of 12 hours 12 minutes of sunlight today.
Taken together, Okegawa looks wet enough on September 15, 2026 that flexible outdoor plans work best, with temperatures peaking near 26°C.
Frequently asked questions about weather in Okegawa
How warm does it get in Okegawa?
The warmest month in Okegawa is August, with average high temperatures of 33°C. The average temperature during this period is around 29°C.
How cold does it get in Okegawa?
The coldest month in Okegawa is January, with average low temperatures of 0°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Okegawa?
The wettest month in Okegawa is July, with an average of 183mm of precipitation.
What is the driest time of year in Okegawa?
The driest month in Okegawa is December, with an average of 37mm of precipitation.
Explore more weather forecasts
- Kitamoto, Saitama-ken
- Tokyo, Tokyo Prefecture
- Ageo, Saitama-ken
- Yokohama, Kanagawa
- Shinden, Saitama-ken
- Osaka, Ōsaka-fu
- Shōbu, Saitama-ken
- Nagoya, Aichi-ken
- Kōnosu, Saitama-ken
- Sapporo, Hokkaido
- Ōgushi, Saitama-ken
- Fukuoka, Fukuoka Prefecture
- Hasuda, Saitama-ken
- Kawasaki, Kanagawa
- Igusa, Saitama-ken
- Kobe, Hyōgo
