Location & Surroundings
Koyasu is a settlement in Kanagawa, Japan, at 180 m elevation. The nearest larger town is Isehara, 4 km to the southeast. The national capital Tokyo is 49 km to the northeast. The nearest airport is Zama Airfield, 15 km away.
Also known as: 子易
Basic Data
- Type populated place (PPL)
- a city, town, village, or other agglomeration of buildings where people live and work
Geography
-
Coordinates
35° 25' 8" N, 139° 16' 10" E
- Elevation DEM: 180 m
- Timezone Asia/Tokyo
- Time Shift GMT 9 (DST 9)
Statistics & Country
- Pop. Density 295 p/km²
- Built-up 6.3%
- Settlement Low density rural
- Currency Yen (JPY)
- Phone Prefix +81
Sun & Local Time
- Local time 14:44
- Sunrise 05:38
- Sunset 17:24
- Day length 11 h 46 min
Other populated places nearby
Nearby
Alternate Names
ja
子易
Weather in Koyasu
Current conditions and a 3-day (72-hour) weather forecast for Koyasu, updated from the NOAA GFS model.
Now 19.5 C with overcast skies and a 3.6 m/s north-easterly wind. Next 24h: 16.4 to 20.2 C, max wind 4.2 m/s. No precipitation expected. Solar peaks near 377 W/m2.
Temperature
19.5 C
Wind
3.6 m/s NE (49 deg)
Humidity
60 %
Pressure
1,021.0 hPa
Clouds
99 %
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 | 19.5 | 3.6 | 49 | 60 | 1,021.0 | - / 0.00 | 99 | 0.0 | n/a |
| 6h | 20.2 | 4.2 | 26 | 58 | 1,018.3 | 0.04 / 0.04 | 100 | 377.3 | n/a |
| 12h | 18.2 | 3.7 | 37 | 69 | 1,018.9 | 0.00 / 0.00 | 100 | 20.4 | n/a |
| 18h | 16.4 | 3.7 | 354 | 78 | 1,016.2 | 0.00 / 0.00 | 82 | 0.0 | n/a |
| Tomorrow | 18.3 | 4.1 | 7 | 72 | 1,015.8 | 0.00 / 0.00 | 100 | 39.1 | n/a |
| 30h | 19.5 | 3.9 | 11 | 71 | 1,011.2 | 0.00 / 0.00 | 88 | 199.9 | n/a |
| 36h | 18.8 | 2.9 | 351 | 76 | 1,010.8 | 0.00 / 0.00 | 84 | 26.0 | n/a |
| 42h | 18.9 | 2.6 | 333 | 79 | 1,007.9 | 0.00 / 0.00 | 16 | 0.0 | n/a |
| Tuesday | 22.9 | 3.3 | 13 | 62 | 1,007.8 | 0.00 / 0.00 | 73 | 134.5 | n/a |
| 54h | 26.6 | 5.9 | 22 | 50 | 1,004.6 | 0.00 / 0.00 | 1 | 644.7 | n/a |
| 60h | 20.7 | 4.8 | 17 | 66 | 1,006.5 | 0.00 / 0.00 | 52 | 68.4 | n/a |
| 66h | 18.5 | 1.8 | 345 | 74 | 1,006.0 | 0.00 / 0.00 | 46 | 0.0 | n/a |
| Wednesday | 20.9 | 1.7 | 199 | 66 | 1,010.2 | 0.36 / 0.36 | 37 | 109.6 | n/a |
Source: NOAA GFS 0.25° (run 2026-10-04 00:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Koyasu?
Now 19.5 C with overcast skies and a 3.6 m/s north-easterly wind. Next 24h: 16.4 to 20.2 C, max wind 4.2 m/s. No precipitation expected. Solar peaks near 377 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 Koyasu today?
Sunrise around 05:38 and sunset around 17:24 (local time). Day length about 11h 46m.
What is the local time in Koyasu?
Local time is 14:44. Time zone: Asia/Tokyo (UTC+09:00).
What type of place is Koyasu?
Koyasu is a populated place.
What is the elevation of Koyasu?
DEM 180 m.
Where is Koyasu located?
It is at 35.41882, 139.26945 (latitude, longitude).
Which country is Koyasu in?
It is in Japan.