diff --git a/Ooui/UI.cs b/Ooui/UI.cs
index d351b1f..50bf1a8 100644
--- a/Ooui/UI.cs
+++ b/Ooui/UI.cs
@@ -193,7 +193,7 @@ namespace Ooui
         public static string GetUrl (string path)
         {
             var localhost = host == "*" ? "localhost" : host;
-            var url = Path.Combine($"http://{localhost}:{port}{path}");
+            var url = $"http://{localhost}:{port}{path}";
             return url;
         }
 
diff --git a/Samples/WeatherApp/Core.cs b/Samples/WeatherApp/Core.cs
index 1d61701..be0ee02 100644
--- a/Samples/WeatherApp/Core.cs
+++ b/Samples/WeatherApp/Core.cs
@@ -16,11 +16,13 @@ namespace WeatherApp
 
             if (results["weather"] != null)
             {
+                string tempUnit = GetTempUnit(units);
+                string speedUnit = GetSpeedUnit(units);
                 Weather weather = new Weather
                 {
                     Title = (string)results["name"],
-                    Temperature = (string)results["main"]["temp"] + " F",
-                    Wind = (string)results["wind"]["speed"] + " mph",
+                    Temperature = (string)results["main"]["temp"] + tempUnit,
+                    Wind = (string)results["wind"]["speed"] + speedUnit,
                     Humidity = (string)results["main"]["humidity"] + " %",
                     Visibility = (string)results["weather"][0]["main"]
                 };
@@ -37,5 +39,29 @@ namespace WeatherApp
                 return null;
             }
         }
+
+        private static string GetSpeedUnit(string units)
+        {
+            switch (units)
+            {
+                case "imperial":
+                    return " mph";
+                default:
+                    return " kph";
+            }
+        }
+
+        private static string GetTempUnit(string units)
+        {
+            switch (units)
+            {
+                case "metric":
+                    return " °C";
+                case "imperial":
+                    return " °F";
+                default:
+                    return " °K";
+            }
+        }
     }
 }
diff --git a/Samples/WeatherApp/Weather.cs b/Samples/WeatherApp/Weather.cs
index e6e30f4..a97b39f 100644
--- a/Samples/WeatherApp/Weather.cs
+++ b/Samples/WeatherApp/Weather.cs
@@ -1,4 +1,6 @@
-namespace WeatherApp
+using System.Collections.Generic;
+
+namespace WeatherApp
 {
     public class Weather
     {
@@ -9,6 +11,7 @@
         public string Visibility { get; set; }
         public string Sunrise { get; set; }
         public string Sunset { get; set; }
+        public List<string> UnitOfMeasures { get; set; }
 
         public Weather()
         {
@@ -21,6 +24,7 @@
             this.Visibility = " ";
             this.Sunrise = " ";
             this.Sunset = " ";
+            this.UnitOfMeasures = new List<string>{"kelvin", "metric", "imperial"};
         }
     }
-}
\ No newline at end of file
+}
diff --git a/Samples/WeatherApp/WeatherPage.xaml b/Samples/WeatherApp/WeatherPage.xaml
index 5de42b2..e6cfe03 100644
--- a/Samples/WeatherApp/WeatherPage.xaml
+++ b/Samples/WeatherApp/WeatherPage.xaml
@@ -35,7 +35,7 @@
             <Label x:Name="zipCodeLabel" Text="Zip Code" Style="{StaticResource labelStyle}" />
             <Entry x:Name="zipCodeEntry" />
             <Label x:Name="unitOfMeasureLabel" Text="Unit Of Measure" Style="{StaticResource labelStyle}" />
-            <Entry x:Name="unitOfMeasure" Placeholder="kelvin (default), metric, imperial"/>
+            <Picker x:Name="unitOfMeasure" />
           </StackLayout>
           <StackLayout Padding="0,0,0,10" VerticalOptions="End">
             <Button x:Name="getWeatherBtn" Text="Get Weather" WidthRequest="185" BorderWidth="1" >
diff --git a/Samples/WeatherApp/WeatherPage.xaml.cs b/Samples/WeatherApp/WeatherPage.xaml.cs
index 625e0c6..85be1f5 100644
--- a/Samples/WeatherApp/WeatherPage.xaml.cs
+++ b/Samples/WeatherApp/WeatherPage.xaml.cs
@@ -12,14 +12,18 @@ namespace WeatherApp
             getWeatherBtn.Clicked += GetWeatherBtn_Clicked;
 
             //Set the default binding to a default object for now
-            this.BindingContext = new Weather();
+            this.BindingContext = Weather;
+            unitOfMeasure.ItemsSource = Weather.UnitOfMeasures;
         }
 
+        public Weather Weather { get; } = new Weather();
+
         private async void GetWeatherBtn_Clicked(object sender, EventArgs e)
         {
             if (!String.IsNullOrEmpty(zipCodeEntry.Text))
             {
-                Weather weather = await Core.GetWeather(zipCodeEntry.Text, unitOfMeasure.Text);
+                
+                Weather weather = await Core.GetWeather(zipCodeEntry.Text, (string)unitOfMeasure.SelectedItem);
                 if (weather != null)
                 {
                     this.BindingContext = weather;