Japan Weather Forecast API (JMA)
Pricing
Pay per usage
Japan Weather Forecast API (JMA)
Live Japan weather forecasts from JMA by area code: weather, wind, waves, precipitation probability, and temperatures.
Live Japan weather forecasts from the official Japan Meteorological Agency public API.
Use this Actor to turn JMA forecast area codes into clean dataset rows with forecast time, area name, weather text, weather code, wind, wave height, probability of precipitation, and min/max temperatures.
Why use it
- Official JMA forecast data in structured JSON rows.
- Works well for AI agents, dashboards, travel tools, logistics workflows, and local apps.
- Covers Japanese forecast areas by JMA area code.
- No browser scraping or proxy required.
Common use cases
- Daily weather automation for Japan locations.
- Travel, hotel, event, and logistics planning workflows.
- Weather widgets and internal dashboards.
- AI agents that need current Japanese weather data.
Input
| Field | Type | Description |
|---|---|---|
areaCode | string | JMA forecast area code. Tokyo: 130000, Osaka: 270000, Sapporo/Hokkaido: 016000. |
limitDays | integer | Maximum forecast time periods per area. Default 3, max 7. |
Output
One dataset row per forecast area and forecast time:
| Field | Meaning |
|---|---|
area_code | Requested JMA forecast area code |
detail_area_code | JMA sub-area code |
area_name | Forecast sub-area name |
forecast_time | Forecast time |
weather / weather_code | Forecast text and JMA weather code |
wind / wave | Wind and wave forecast text |
probability_of_precipitation | Precipitation probability when available |
temp_min_c / temp_max_c | Minimum and maximum temperature in Celsius when available |
publishing_office | JMA publishing office |
report_datetime | JMA report timestamp |
Source
Data source: Japan Meteorological Agency public forecast API. This Actor is not affiliated with or endorsed by JMA.
Keywords: Japan weather API, JMA weather, 気象庁 天気予報, Japanese forecast API, Tokyo weather, Osaka weather, Japan travel weather, weather automation.
