import requests, json

url = "http://api.openweathermap.org/data/2.5/forecast"

payload = {
    "lat": "широта_твоего_города",
    "lon": "долгота_твоего_города",
    "units": "metric",
    "appid": "твой_ключ",
}

res = requests.get(url, params=payload)
data = json.loads(res.text)

weather = data["list"][0]


def pars_weather(weatherType, timeRange, measurementUnits):
    if (weatherType in weather) and (
        timeRange in weather[weatherType].keys()
    ):
        print(
            weatherType,
            ": ",
            weather[weatherType][timeRange],
            measurementUnits,
        )
    else:
        print(weatherType, ": ", "none")


pars_weather("clouds", "all", "%")
pars_weather("rain", "3h", "mm")
pars_weather("snow", "3h", "mm")
print("temp:", weather["main"]["temp"], "C")