Location & Surroundings
Ōi is a settlement in Chiba, Japan, at 38 m elevation. The nearest larger town is Kisarazu, 9 km to the northwest. The national capital Tokyo is 49 km to the northwest. The nearest airport is Kisarazu Ab, 11 km away.
Also known as: 大井 · おおい · オオイ
Basic Data
- Type populated place (PPL)
- a city, town, village, or other agglomeration of buildings where people live and work
Geography
-
Coordinates
35° 18' 40" N, 139° 58' 8" E
- Elevation DEM: 38 m
- Timezone Asia/Tokyo
- Time Shift GMT 9 (DST 9)
Statistics & Country
- Pop. Density 39 p/km²
- Built-up 2.4%
- Settlement Suburban / peri-urban
- Currency Yen (JPY)
- Phone Prefix +81
Sun & Local Time
- Local time 11:15
- Sunrise 05:21
- Sunset 17:49
- Day length 12 h 28 min
Other populated places nearby
Alternate Names
ja
大井
ja
おおい
ja
オオイ
Weather in Oi
Current conditions and a 3-day (72-hour) weather forecast for Oi, updated from the NOAA GFS model.
Now 23.8 C with overcast skies and a 4.4 m/s southerly wind. Next 24h: 21.4 to 24.3 C, max wind 4.4 m/s. Precip around 3.0 mm. Solar peaks near 152 W/m2.
Temperature
23.8 C
Wind
4.4 m/s S (190 deg)
Humidity
87 %
Pressure
1,014.1 hPa
Clouds
100 %
Precip
3.03 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 | 23.8 | 4.4 | 190 | 87 | 1,014.1 | - / 0.00 | 100 | 0.0 | n/a |
| 6h | 23.3 | 3.0 | 194 | 95 | 1,014.4 | 8.63 / 8.63 | 100 | 8.8 | n/a |
| 12h | 24.3 | 1.7 | 268 | 92 | 1,013.1 | 17.33 / 25.97 | 100 | 151.8 | n/a |
| 18h | 22.2 | 3.5 | 37 | 97 | 1,014.8 | 0.00 / 0.80 | 100 | 27.1 | n/a |
| Tomorrow | 21.4 | 2.7 | 37 | 96 | 1,014.5 | 2.23 / 3.03 | 100 | 0.0 | n/a |
| 30h | 21.3 | 3.5 | 44 | 96 | 1,016.0 | 3.18 / 6.21 | 100 | 11.5 | n/a |
| 36h | 20.8 | 4.2 | 29 | 96 | 1,014.8 | 0.00 / 4.85 | 100 | 56.2 | n/a |
| 42h | 20.7 | 3.6 | 43 | 98 | 1,015.0 | 2.49 / 7.34 | 100 | 3.7 | n/a |
| Wednesday | 18.3 | 7.0 | 23 | 94 | 1,015.9 | 19.78 / 27.12 | 100 | 0.0 | n/a |
| 54h | 18.8 | 7.1 | 31 | 89 | 1,019.0 | 0.00 / 1.82 | 98 | 25.5 | n/a |
| 60h | 20.9 | 7.6 | 30 | 76 | 1,018.7 | 0.00 / 0.06 | 79 | 498.3 | n/a |
| 66h | 18.3 | 7.0 | 26 | 79 | 1,021.5 | 0.00 / 0.00 | 20 | 65.1 | n/a |
| Thursday | 17.7 | 6.9 | 10 | 81 | 1,020.7 | 0.00 / 0.00 | 62 | 0.0 | n/a |
Source: NOAA GFS 0.25° (run 2026-09-14 18:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Oi?
Now 23.8 C with overcast skies and a 4.4 m/s southerly wind. Next 24h: 21.4 to 24.3 C, max wind 4.4 m/s. Precip around 3.0 mm. Solar peaks near 152 W/m2.
Is precipitation expected in the next 24 hours?
Around 3.0 mm of precipitation is expected in the next 24 hours.
When are sunrise and sunset in Oi today?
Sunrise around 05:21 and sunset around 17:49 (local time). Day length about 12h 28m.
What is the local time in Oi?
Local time is 11:15. Time zone: Asia/Tokyo (UTC+09:00).
What type of place is Oi?
Oi is a populated place.
What is the elevation of Oi?
DEM 38 m.
Where is Oi located?
It is at 35.31109, 139.96898 (latitude, longitude).
Which country is Oi in?
It is in Japan.