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
05:31
Sunrise
17:29
Sunset
Moon
Waxing Gibbous
14:52
Moonrise
00:20
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 Ōmagari.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Ōmagari.
View stargazing scoreWeather in Ōmagari today, September 21, 2026
Expect unsettled, showery conditions in Ōmagari on September 21, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Early hours look the most unsettled, with rain probability near 66% by 10:00. The thickest cloud arrives around 05:00, reaching about 100%.
Temperatures climb from an overnight low near 20°C toward a daytime high of about 25°C. Moisture in the air spans 77%-99%, with the highest values around 21:00. Airflow remains manageable, reaching about 1.2 km/h around 12:00.
The second half of the day still looks unsettled, with rain probability around 88% by 13:00. Dense cloud near 100% at 12:00 keeps the feel grey. Expect visibility near 12.0 km, with poorer spells close to 3.2 km. Sunrise is at 05:31 and sunset at 17:29, giving 11 hours 58 minutes of sunlight today.
Overall, Ōmagari on September 21, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 88% and the high sits around 25°C.
Frequently asked questions about weather in Ōmagari
How warm does it get in Ōmagari?
The warmest month in Ōmagari is August, with average high temperatures of 29°C. The average temperature during this period is around 25°C.
How cold does it get in Ōmagari?
The coldest month in Ōmagari is January, with average low temperatures of -4°C. The average temperature during this period is around -1°C.
What is the wettest time of year in Ōmagari?
The wettest month in Ōmagari is July, with an average of 203mm of precipitation.
What is the driest time of year in Ōmagari?
The driest month in Ōmagari is February, with an average of 111mm of precipitation.