See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
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Hourly Forecast
Daylight Hours
05:43
Sunrise
17:50
Sunset
Moon
Waxing Crescent
10:14
Moonrise
20:59
Moonset
Daily Forecast
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Air Quality Data Available
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UV Index
Humidity
Weather in Yilan today, September 16, 2026
Rain features in Yilan on September 16, 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 36% around 10:00. Cloud cover is also at its densest near 10:00 at roughly 77%.
The day peaks near 28°C and cools toward 23°C. Moisture in the air spans 67%-85%, with the highest values around 23:00. A lighter breeze peaks around 14:00 near 3.0 km/h.
Through the afternoon the main story eases from the wetter morning, with rain odds nearer 6% after earlier peaks around 36%. Cloud remains in play near 76% around 12:00, but the heaviest damp risk should be behind you. Expect visibility around 16.1 km. Sunrise is at 05:43 and sunset at 17:50, giving 12 hours 6 minutes of sunlight today.
Overall, Yilan on September 16, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 36% and the high sits around 28°C.
Frequently asked questions about weather in Yilan
How warm does it get in Yilan?
The warmest month in Yilan is August, with average high temperatures of 30°C. The average temperature during this period is around 27°C.
How cold does it get in Yilan?
The coldest month in Yilan is January, with average low temperatures of 13°C. The average temperature during this period is around 15°C.
What is the wettest time of year in Yilan?
The wettest month in Yilan is October, with an average of 553mm of precipitation.
What is the driest time of year in Yilan?
The driest month in Yilan is March, with an average of 164mm of precipitation.
