Weather Data for Manufacturer & Retail Business
Weathernews provides weather forecasts for specified latitude/longitude points or AMeDAS station data. We offer short-term forecasts for 3 days (hourly and 3-hourly), medium-term daily forecasts for 2 weeks, and long-term forecasts up to 6 months (weekly and monthly). Observed data is available for specified latitude/longitude points, including hourly and 3-hourly data from 1-3 days ago, and daily observed values from 1-14 days ago.
Dataset
Spatial Resolution
Time Resolution
Update Frequency
Time Range
Short-term Forecast
1km Mesh
1 hour
Every hour
Up to 72 hours ahead
1km Mesh
1 hour
Every hour
Today to day after tomorrow
1km Mesh
3 hours
Every hour
Today to day after tomorrow
Medium-term Forecast
1km Mesh
1 day
Every hour
Tomorrow to 14 days ahead
1km Mesh
1 day
Every hour
Tomorrow to 14 days ahead
Long-term Forecast
1km Mesh/Point
1 day
Once per day
Today to 38 days ahead
Point
1 week
Once per month
Up to 6 months ahead
Point
1 month
Once per month
Up to 6 months ahead
Observed Data
1km Mesh
1 hour
Once per day
Previous day
1km Mesh
3 hours
Once per day
Previous day
1km Mesh
1 day
Once per day
Previous day
1km Mesh
1 hour
Once per day
3 days ago to previous day
1km Mesh
3 hours
Once per day
3 days ago to previous day
1km Mesh
1 day
Once per day
14 days ago to previous day
* Time ranges differ between analysis and display purposes.
[Short-term Forecast] Analysis & Display
Element
Unit
Temperature
℃
Global Solar Radiation (past 1 hour)
MJ/m2
Precipitation (past 1 hour)
mm
Snowfall (past 1 hour)
cm
Wind Direction
ー
Wind Speed
m/s
Relative Humidity
%
Sea Level Pressure
hPa
Weather
ー
Feels-Like Temperature
℃
Feels-Like Rank
ー
* Target period: Analysis - up to 72 hours from acquisition time, Display - today, tomorrow, and day after tomorrow.
[Short-term Forecast] Display Time Summary
Element
Unit
Temperature
℃
Global Solar Radiation (past 3 hours)
MJ/m2
Precipitation (past 3 hours)
mm
Snowfall (past 3 hours)
cm
Wind Direction
ー
Wind Speed
m/s
Relative Humidity
%
Sea Level Pressure
hPa
Weather
ー
Feels-Like Temperature
℃
Feels-Like Rank
ー
* Target period: today, tomorrow, and day after tomorrow.
[Medium-term Forecast] Analysis & Display
Element
Unit
Daily Average Temperature
℃
Daily Maximum Temperature
℃
Daily Minimum Temperature
℃
Daily Maximum Temperature Difference
℃
Daily Minimum Temperature Difference
℃
Daily Max Temperature Same Day Last Week (Display Only)
℃
Daily Min Temperature Same Day Last Week (Display Only)
℃
Daily Max Temperature Difference from Same Day Last Week (Display Only)
℃
Daily Min Temperature Difference from Same Day Last Week (Display Only)
℃
Global Solar Radiation
MJ/m2
Daily total precipitation
mm
Daily Accumulated Snowfall
cm
Daily Maximum Relative Humidity
%
Daily Minimum Relative Humidity
%
Daily Precipitation Probability
%
Daily Weather
ー
Daily Maximum Feels-Like Temperature
℃
Daily Maximum Feels-Like Rank
ー
* Target period: Analysis Tomorrow to 14 days ahead; Display Today to 14 days ahead.
[Long-term Forecast] 1-Month Forecast
Element
Unit
Daily Average Temperature
℃
Daily Maximum Temperature
℃
Daily Minimum Temperature
℃
Daily Global Solar Radiation
MJ/m2
Daily total precipitation
mm
[Long-term Forecast] Weekly & Monthly
Element
Unit
Daily Average Temperature
℃
Daily Average Temperature Normal Value
℃
Daily Average Temperature Normal Deviation
℃
Daily Minimum Temperature
℃
Daily Minimum Temperature Normal Value
℃
Daily Minimum Temperature Normal Deviation
℃
Daily Maximum Temperature
℃
Daily Maximum Temperature Normal Value
℃
Daily Maximum Temperature Normal Deviation
℃
Precipitation
mm
Precipitation Normal Value
mm
Precipitation Normal Deviation
%
Global Solar Radiation
MJ/m2
Global Solar Radiation Normal Value
MJ/m2
Global Solar Radiation Normal Deviation
%
* Temperature values are averages for both weekly and monthly forecasts. * Precipitation and solar radiation values are accumulated totals for both weekly and monthly forecasts. * Normal values are JMA climatological normal values.
[Observed Data] Analysis & Display
Element
Unit
Temperature
℃
Global Solar Radiation (past 1 hour)
MJ/m2
Precipitation (past 1 hour)
mm
Snowfall (past 1 hour)
cm
Wind Direction
ー
Wind Speed
m/s
Relative Humidity
%
Sea Level Pressure
hPa
Weather
ー
Feels-Like Temperature
℃
Feels-Like Rank
ー
* Target period: Analysis - previous day, Display - 3 days ago to previous day.
[Observed Data] Analysis & Display Time Summary
Element
Unit
Temperature
℃
Global Solar Radiation (past 3 hours)
MJ/m2
Precipitation (past 3 hours)
mm
Snowfall (past 3 hours)
cm
Wind Direction
ー
Wind Speed
m/s
Relative Humidity
%
Sea Level Pressure
hPa
Weather
ー
Feels-Like Temperature
℃
Feels-Like Rank
ー
* Target period: Analysis - previous day, Display - 3 days ago to previous day.
[Observed Data] Analysis & Display Daily Summary
Element
Unit
Daily Average Temperature
℃
Daily Maximum Temperature
℃
Daily Minimum Temperature
℃
Daily Total Global Solar Radiation
MJ/m2
Daily Total Precipitation
mm
Daily Total Snowfall
cm
Daily Minimum Relative Humidity
%
Daily Lowest Relative Humidity
%
Daily Weather
ー
Daily Minimum Feels-Like Temperature
℃
Daily Minimum Feels-Like Rank
ー
* Target period: Analysis - previous day, Display - 14 days ago to previous day.
