using System;

using System.Collections.Generic;

using System.Net;

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

public class Program

{

    public static void Main()

    {

        WebClient wc = new WebClient();

        string json = wc.DownloadString("http://samples.openweathermap.org/data/2.5/forecast?q=London,us&appid=b6907d289e10d714a6e88b30761fae22");

        var root = JsonConvert.DeserializeObject<WeatherForecast>(json);

        Console.WriteLine(string.Format("Weather for {0} (lat {1}, lon {2}):",

            root.City.name, root.City.coord.lat, root.City.coord.lon));

        Console.WriteLine("Date and Time          Pressure Humidity Clouds   Rain   Snow");

        Console.WriteLine("---------------------- -------- -------- ------ ------ ------");

        foreach (var ci in root.ClimateIndicators)

        {

            Atmospheric atm = ci.Atmospheric;

            Console.WriteLine(string.Format("{0,-22} {1,8:#.00} {2,8} {3,6} {4,6:#0.00} {5,6:#0.00}",

                ci.Date, atm.Pressure, atm.Humidity, atm.Cloudiness, atm.Rain, atm.Snow));

        }

    }

}

​

​

public class WeatherForecast

{

    [JsonProperty("city")]

    public City City { get; set; }

    [JsonProperty("list")]

    public IList<ClimateIndicators> ClimateIndicators { get; set; }

}

​

public class City

{

    public int id { get; set; }

    public string name { get; set; }

    public Coord coord { get; set; }

    public string country { get; set; }

}

​

public class Coord

{

    public double lat { get; set; }

    public double lon { get; set; }

}

​

[JsonConverter(typeof(ClimateIndicatorsConverter))]

public class ClimateIndicators

{

    public Atmospheric Atmospheric { get; set; }

    public DateTime Date { get; set; }

}

​

public class Atmospheric

{

    public double Pressure { get; set; }

    public int Humidity { get; set; }

    public double SeaLevel { get; set; }

    public double GroundLevel { get; set; }

    public int Cloudiness { get; set; }

    public double? Rain { get; set; }

    public double? Snow { get; set; }

}

​

class ClimateIndicatorsConverter : JsonConverter

{

    public override bool CanConvert(Type objectType)

    {

        return objectType == typeof(ClimateIndicators);

    }

    public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)

    {

        JObject obj = JObject.Load(reader);

        Atmospheric atm = new Atmospheric();

        atm.Pressure = (double)obj.SelectToken("main.pressure");

        atm.Humidity = (int)obj.SelectToken("main.humidity");

        atm.SeaLevel = (double)obj.SelectToken("main.sea_level");

        atm.GroundLevel = (double)obj.SelectToken("main.grnd_level");

        atm.Cloudiness = (int)obj.SelectToken("clouds.all");

        atm.Rain = (double?)obj.SelectToken("rain.3h");

        atm.Snow = (double?)obj.SelectToken("snow.3h");

        ClimateIndicators indicators = new ClimateIndicators();

        indicators.Atmospheric = atm;

        indicators.Date = (DateTime)obj.SelectToken("dt_txt");

        return indicators;

    }

    public override bool CanWrite

    {

        get { return false; }

    }

    public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)

    {

        throw new NotImplementedException();

    }

}

​