Location & Surroundings
Onansan is a hill in Gyeonggi-do, South Korea, at 48 m elevation. The nearest larger town is Bucheon-si, 7 km to the north. The national capital Seoul is 21 km to the northeast. The nearest airport is Gimpo International Airport, 14 km away.
Also known as: 오난산
Basic Data
- Type hill (HLL)
- a rounded elevation of limited extent rising above the surrounding land with local relief of less than 300m
Geography
-
Coordinates
37° 26' 30" N, 126° 48' 23" E
- Elevation DEM: 48 m
- Timezone Asia/Seoul
- Time Shift GMT 9 (DST 9)
Statistics & Country
- Pop. Density 9,313 p/km²
- Built-up 21.4%
- Settlement Urban centre
- Currency Won (KRW)
- Phone Prefix +82
Sun & Local Time
- Local time 05:01
- Sunrise 06:29
- Sunset 18:13
- Day length 11 h 45 min
Other hills nearby
Nearby
Alternate Names
ko
오난산
Weather in Onansan
Current conditions and a 3-day (72-hour) weather forecast for Onansan, updated from the NOAA GFS model.
Now 18.3 C with overcast skies and a 4.4 m/s westerly wind. Next 24h: 16.3 to 19.5 C, max wind 7.2 m/s. No precipitation expected. Solar peaks near 491 W/m2.
Temperature
18.3 C
Wind
4.4 m/s W (285 deg)
Humidity
80 %
Pressure
1,014.7 hPa
Clouds
94 %
Precip
0.00 mm
Solar
0.0 W/m2
UV-B
n/a
| Hour | Temp (C) | Wind (m/s) | Dir (deg) | RH (%) | Pressure (hPa) | Precip (step/total mm) | Clouds (%) | Solar (W/m2) | UV-B (W/m2) |
|---|---|---|---|---|---|---|---|---|---|
| NOW | 18.3 | 4.4 | 285 | 80 | 1,014.7 | - / 0.00 | 94 | 0.0 | n/a |
| 6h | 17.1 | 5.9 | 285 | 63 | 1,013.3 | 1.52 / 1.52 | 90 | 0.0 | n/a |
| 12h | 17.2 | 5.6 | 291 | 58 | 1,013.1 | 0.00 / 0.23 | 61 | 45.4 | n/a |
| 18h | 19.5 | 7.2 | 292 | 44 | 1,011.5 | 0.00 / 0.20 | 13 | 491.2 | n/a |
| Tomorrow | 16.3 | 5.2 | 311 | 47 | 1,014.7 | 0.00 / 0.00 | 0 | 126.8 | n/a |
| 30h | 15.3 | 3.2 | 316 | 49 | 1,015.3 | 0.00 / 0.00 | 0 | 0.0 | n/a |
| 36h | 16.5 | 3.2 | 328 | 39 | 1,017.9 | 0.00 / 0.00 | 0 | 77.1 | n/a |
| 42h | 20.9 | 4.7 | 279 | 35 | 1,016.2 | 0.00 / 0.00 | 2 | 663.0 | n/a |
| Tuesday | 19.3 | 3.9 | 299 | 49 | 1,017.9 | 0.00 / 0.00 | 0 | 128.1 | n/a |
| 54h | 16.2 | 1.7 | 332 | 59 | 1,019.0 | 0.00 / 0.00 | 0 | 0.0 | n/a |
| 60h | 17.1 | 1.2 | 22 | 50 | 1,022.2 | 0.00 / 0.00 | 0 | 74.3 | n/a |
| 66h | 21.8 | 3.8 | 279 | 30 | 1,021.1 | 0.00 / 0.00 | 0 | 654.4 | n/a |
| Wednesday | 18.8 | 1.6 | 294 | 45 | 1,023.0 | 0.00 / 0.00 | 0 | 128.3 | n/a |
Source: NOAA GFS 0.25° (run 2026-10-04 12:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Onansan?
Now 18.3 C with overcast skies and a 4.4 m/s westerly wind. Next 24h: 16.3 to 19.5 C, max wind 7.2 m/s. No precipitation expected. Solar peaks near 491 W/m2.
Is precipitation expected in the next 24 hours?
No measurable precipitation is expected in the next 24 hours.
When are sunrise and sunset in Onansan today?
Sunrise around 06:30 and sunset around 18:12 (local time). Day length about 11h 42m.
What is the local time in Onansan?
Local time is 05:01. Time zone: Asia/Seoul (UTC+09:00).
What type of place is Onansan?
Onansan is a hill.
What is the elevation of Onansan?
DEM 48 m.
Where is Onansan located?
It is at 37.44179, 126.80625 (latitude, longitude).
Which country is Onansan in?
It is in South Korea.