See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
24°
Mostly Clear
Feels Like: 23°
Min: 14°
Max: 27°
The next few hours will be clear, with today reaching 27°C and dropping to 16°C. The coming days will be cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:20
Sunrise
18:30
Sunset
Moon
Waxing Crescent
11:23
Moonrise
21:04
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
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Weather in Cheonan today, September 16, 2026
Plan for bright conditions in Cheonan on September 16, 2026, though cloud cover thickens for a spell near 23:00. The day as a whole still leans toward sunshine.
Temperatures climb from an overnight low near 14°C toward a daytime high of about 27°C. The air stays humid, with relative humidity between 55% and 74% and the peak around 23:00. Expect gentle winds, highest near 21:00 at 3.0 km/h.
Through the afternoon skies look more workable, with cloud near 42% around 23:00. Later outdoor plans have a clearer window than the morning may have suggested. Expect visibility around 16.1 km. The sun rises at 06:20 and sets at 18:30, for a total of 12 hours 10 minutes of sunlight today.
The practical takeaway for Cheonan is a bright September 16, 2026, ideal for outdoor errands before temperatures ease from about 27°C.
Frequently asked questions about weather in Cheonan
How warm does it get in Cheonan?
The warmest month in Cheonan is August, with average high temperatures of 31°C. The average temperature during this period is around 27°C.
How cold does it get in Cheonan?
The coldest month in Cheonan is January, with average low temperatures of -6°C. The average temperature during this period is around -1°C.
What is the wettest time of year in Cheonan?
The wettest month in Cheonan is July, with an average of 279mm of precipitation.
What is the driest time of year in Cheonan?
The driest month in Cheonan is January, with an average of 22mm of precipitation.
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