See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
23°
Light Rain
Feels Like: 21°
Min: 21°
Max: 24°
The next few hours will be misty, with today reaching 24°C and dropping to 21°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:31
Sunrise
17:42
Sunset
Moon
Waxing Crescent
10:28
Moonrise
20:19
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Ōiso.
Resources
UV Index
Humidity
Weather in Ōiso today, September 16, 2026
Ōiso could see fog on September 16, 2026, so early travel may need extra care. Visibility is the main watchpoint while the air stays still.
The temperature range runs from about 21°C up to 24°C. Moisture in the air spans 88%-89%, with the highest values around 20:00. Airflow remains manageable, reaching about 4.7 km/h around 23:00.
Afternoon showers stay in play, peaking near 100% around 16:00. Skies remain cluttered, with cover about 100% by 16:00. Visibility stays generally good near 11.5 km on average, though it can drop toward 4.9 km in thicker cloud or showers. Daylight runs from 05:31 to 17:42, lasting 12 hours 10 minutes of sunlight today.
Overall, Ōiso on September 16, 2026 needs patience with visibility, especially early, even as temperatures reach about 24°C.
Frequently asked questions about weather in Ōiso
How warm does it get in Ōiso?
The warmest month in Ōiso is August, with average high temperatures of 28°C. The average temperature during this period is around 26°C.
How cold does it get in Ōiso?
The coldest month in Ōiso is January, with average low temperatures of 5°C. The average temperature during this period is around 7°C.
What is the wettest time of year in Ōiso?
The wettest month in Ōiso is June, with an average of 257mm of precipitation.
What is the driest time of year in Ōiso?
The driest month in Ōiso is December, with an average of 76mm of precipitation.
Explore more weather forecasts
- Hiratsuka, Kanagawa
- Tokyo, Tokyo Prefecture
- Ninomiya, Kanagawa
- Yokohama, Kanagawa
- Chigasaki, Kanagawa
- Osaka, Ōsaka-fu
- Isehara, Kanagawa
- Nagoya, Aichi-ken
- Nihammatsu, Kanagawa
- Sapporo, Hokkaido
- Ebina, Kanagawa
- Fukuoka, Fukuoka Prefecture
- Hadano, Kanagawa
- Kawasaki, Kanagawa
- Kamiōi, Kanagawa
- Kobe, Hyōgo
