Location & Surroundings
Koiwai is a settlement in Iwate, Japan, at 363 m elevation. The nearest larger town is Ninohe, 6 km to the northwest. The national capital Tokyo is about 525 km to the south. The nearest airport is Hachinohe Ab, 36 km away.
Also known as: 小祝 · こいわい · コイワイ
Basic Data
- Type populated place (PPL)
- a city, town, village, or other agglomeration of buildings where people live and work
Geography
-
Coordinates
40° 14' 48" N, 141° 21' 32" E
- Elevation DEM: 363 m
- Timezone Asia/Tokyo
- Time Shift GMT 9 (DST 9)
Statistics & Country
- Pop. Density 20 p/km²
- Built-up 0.8%
- Settlement Very low density rural
- Currency Yen (JPY)
- Phone Prefix +81
Sun & Local Time
- Local time 14:40
- Sunrise 05:14
- Sunset 17:44
- Day length 12 h 30 min
Other populated places nearby
Nearby
Alternate Names
ja
小祝
ja
こいわい
ja
コイワイ
Weather in Koiwai
Current conditions and a 3-day (72-hour) weather forecast for Koiwai, updated from the NOAA GFS model.
Now 18.0 C with overcast skies and a 1.2 m/s north-westerly wind. Next 24h: 12.7 to 18.3 C, max wind 2.0 m/s. No precipitation expected. Solar peaks near 474 W/m2.
Temperature
18.0 C
Wind
1.2 m/s NW (324 deg)
Humidity
66 %
Pressure
1,019.5 hPa
Clouds
100 %
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 | 18.0 | 1.2 | 324 | 66 | 1,019.5 | - / 0.00 | 100 | 0.0 | n/a |
| 6h | 18.3 | 2.0 | 68 | 71 | 1,018.6 | 0.00 / 0.00 | 100 | 473.7 | n/a |
| 12h | 13.7 | 0.4 | 187 | 87 | 1,021.4 | 0.00 / 0.00 | 100 | 40.9 | n/a |
| 18h | 12.7 | 0.5 | 90 | 84 | 1,021.5 | 0.00 / 0.00 | 100 | 0.0 | n/a |
| Tomorrow | 17.3 | 2.0 | 54 | 73 | 1,023.1 | 0.00 / 0.00 | 40 | 100.6 | n/a |
| 30h | 19.4 | 4.4 | 72 | 65 | 1,023.2 | 0.09 / 0.09 | 8 | 708.6 | n/a |
| 36h | 13.7 | 2.0 | 83 | 97 | 1,026.1 | 0.02 / 0.11 | 66 | 90.6 | n/a |
| 42h | 13.1 | 1.6 | 77 | 95 | 1,026.5 | 0.00 / 0.05 | 64 | 0.0 | n/a |
| Friday | 16.6 | 4.6 | 86 | 80 | 1,027.3 | 0.34 / 0.39 | 100 | 102.7 | n/a |
| 54h | 15.6 | 3.8 | 75 | 88 | 1,025.9 | 0.00 / 0.27 | 100 | 371.8 | n/a |
| 60h | 15.7 | 2.9 | 69 | 98 | 1,025.8 | 0.05 / 0.31 | 100 | 11.2 | n/a |
| 66h | 16.3 | 2.2 | 52 | 99 | 1,023.4 | 0.38 / 0.70 | 100 | 0.0 | n/a |
| Saturday | 17.4 | 1.6 | 37 | 99 | 1,022.9 | 3.31 / 4.00 | 100 | 7.4 | n/a |
Source: NOAA GFS 0.25° (run 2026-09-16 00:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Koiwai?
Now 18.0 C with overcast skies and a 1.2 m/s north-westerly wind. Next 24h: 12.7 to 18.3 C, max wind 2.0 m/s. No precipitation expected. Solar peaks near 474 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 Koiwai today?
Sunrise around 05:14 and sunset around 17:44 (local time). Day length about 12h 30m.
What is the local time in Koiwai?
Local time is 14:40. Time zone: Asia/Tokyo (UTC+09:00).
What type of place is Koiwai?
Koiwai is a populated place.
What is the elevation of Koiwai?
DEM 363 m.
Where is Koiwai located?
It is at 40.24679, 141.35897 (latitude, longitude).
Which country is Koiwai in?
It is in Japan.