0 votes
by (180 points)

in the free openweathermap there are no daily values (for the 16 day forecast I must pay).

How can I make from the 3h forecast a daily forecast?

1 Answer

0 votes
by (3.5k points)
It depends on what you mean by forecast, if you mean take the expected changes in weather to develop a forecast text, like if the pressure is falling then rain is likely, then there is enough information available to do that especially if you use temperature as well, but you’d need to develop the rules. NOAA has a set of forecast rules that you could embed to create a forecast.

You can get 72-hours of forecast data for free from OpenWeatherMap you could use that.

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