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
05:32
Sunrise
17:44
Sunset
Moon
Waxing Crescent
09:27
Moonrise
19:44
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 Oyama.
Resources
UV Index
Humidity
Weather in Oyama tomorrow, September 16, 2026
Rain features in Oyama on September 16, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Early hours look the most unsettled, with rain probability near 100% by 10:00. The thickest cloud arrives around 00:00, reaching about 100%.
Expect highs of 23°C and cooler readings close to 20°C. Moisture in the air spans 97%-100%, with the highest values around 18:00. Winds stay light, near 1.6 km/h by 15:00, so the day feels still more than breezy.
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. Horizontal visibility sits around 6.3 km, briefly nearer 0.2 km. The sun rises at 05:33 and sets at 17:43, for a total of 12 hours 10 minutes of sunlight today.
The practical takeaway for Oyama on September 16, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 23°C.
Frequently asked questions about weather in Oyama
How warm does it get in Oyama?
The warmest month in Oyama is August, with average high temperatures of 30°C. The average temperature during this period is around 26°C.
How cold does it get in Oyama?
The coldest month in Oyama is January, with average low temperatures of 1°C. The average temperature during this period is around 4°C.
What is the wettest time of year in Oyama?
The wettest month in Oyama is June, with an average of 288mm of precipitation.
What is the driest time of year in Oyama?
The driest month in Oyama is December, with an average of 73mm of precipitation.
