Weather Cheonan week

Weather forecast for Cheonan for this and next week.

Tuesday, Sep 9

77 / 66°F

0.01 in

6 mph

63 °F	64 °F	3 am
66 °F	70 °F	9 am
75 °F	81 °F	3 pm
70 °F	75 °F	9 pm

sunrise 6:08 am
sunset 6:48 pm

HOURLY

During the day morning heavy rain to overcast. The highest temperature 77 °F. Total rainfall 0.34 in. At night overcast. The lowest temperature 66 °F.

Interactive map weather South Korea

GPS: 36.8065; 127.1522

altitude: 131 ft
local time:

PLACES IN THE AREA

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Weather forecast Cheonan, South Korea extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Tuesday 09/09/2025
3 AM 2 PM	heavy rain	63 °F 64 °F	0.34 in	11 fps 7 mph north-northeast	29.9 in	92 %	59 °F	100 %	0%	1%	100%	100%
9 AM 8 PM	overcast	66 °F 70 °F	0.0 in	6 fps 4 mph east-northeast	29.9 in	88 %	63 °F	100 %	0%	0%	100%	100%
3 PM 2 AM	overcast	75 °F 79 °F	0.0 in	9 fps 6 mph east-northeast	29.9 in	66 %	63 °F	100 %	0%	0%	23%	100%
9 PM 8 AM	overcast	70 °F 73 °F	0.0 in	9 fps 6 mph east	29.9 in	82 %	64 °F	100 %	0%	0%	0%	100%
Wednesday 09/10/2025
3 AM 2 PM	overcast	66 °F 70 °F	0.0 in	7 fps 5 mph east	29.9 in	87 %	61 °F	100 %	0%	0%	0%	100%
9 AM 8 PM	cloudy	73 °F 77 °F	0.0 in	8 fps 5 mph east	29.9 in	75 %	64 °F	65 %	0%	1%	0%	64%
3 PM 2 AM	cloudy	82 °F 88 °F	0.0 in	6 fps 4 mph east	29.9 in	58 %	66 °F	53 %	0%	53%	0%	0%
9 PM 8 AM	clear	72 °F 77 °F	0.0 in	6 fps 4 mph east	29.9 in	85 %	66 °F	9 %	0%	7%	3%	0%

Cheonan, South Korea - information

State: South Korea

GPS coordinates: 36.8065; 127.1522

Time zone: Asia / Seoul time difference in hours with time in NY is +7 hours

Population: 666 417
Altitude: 131 ft
The administrative part:

Chungcheongnam-do, Hongsung

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Weather Cheonan, South Korea. Weather forecast Cheonan.

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Data source

Weather forecast for Cheonan is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

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Long-term statistical averages

	average	precipit… days
January	28 °F	5
February	32 °F	5
March	41 °F	6
April	54 °F	7
May	64 °F	7
June	71 °F	8
July	77 °F	13
August	78 °F	12
September	68 °F	8
October	56 °F	4
November	44 °F	7
December	32 °F	5

Statistical averages in charts Cheonan

Astronomical information Cheonan

data are always in the local time

Sun and light

Sept. 8, 2025

Sunrise:	Sunset:
6:08 am	6:48 pm
Noon:	Length of day:
12:28 pm	12:40
Start of civil twilight*:	End of civil twilight*:
5:41 am	7:15 pm
Start of nautical twilight*:	End of nautical twilight*:
5:11 am	7:45 pm
Start of astronomical twilight*:	End of astronomical twilight*:
4:39 am	8:16 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
09/08/2025 7:05 pm	09/09/2025 7:30 am
Next new moon:	Next full moon:
09/21/2025	10/06/2025