diff --git a/src/main/java/com/github/prominence/openweathermap/api/OpenWeatherMapClient.java b/src/main/java/com/github/prominence/openweathermap/api/OpenWeatherMapClient.java
index deb2965..1ebe83d 100644
--- a/src/main/java/com/github/prominence/openweathermap/api/OpenWeatherMapClient.java
+++ b/src/main/java/com/github/prominence/openweathermap/api/OpenWeatherMapClient.java
@@ -48,6 +48,8 @@ public class OpenWeatherMapClient {
     private final String apiKey;
     private final TimeoutSettings timeoutSettings = new TimeoutSettings();
 
+    private boolean useInsecureConnection = false;
+
     private HttpClient httpClient = new HttpURLConnectionBasedHttpClient();
 
     /**
@@ -66,6 +68,10 @@ public class OpenWeatherMapClient {
         timeoutSettings.setReadTimeout(readTimeout);
     }
 
+    public void useInsecureConnection(boolean value) {
+        this.useInsecureConnection = value;
+    }
+
     public void setHttpClient(HttpClient httpClient) {
         this.httpClient = httpClient;
     }
@@ -159,7 +165,7 @@ public class OpenWeatherMapClient {
     }
 
     private RequestSettings getRequestSettings() {
-        final RequestSettings requestSettings = new RequestSettings(apiKey, timeoutSettings);
+        final RequestSettings requestSettings = new RequestSettings(apiKey, timeoutSettings, useInsecureConnection);
         requestSettings.setHttpClient(httpClient);
         return requestSettings;
     }
diff --git a/src/main/java/com/github/prominence/openweathermap/api/core/net/RequestExecutor.java b/src/main/java/com/github/prominence/openweathermap/api/core/net/RequestExecutor.java
index 6ce4947..282c802 100644
--- a/src/main/java/com/github/prominence/openweathermap/api/core/net/RequestExecutor.java
+++ b/src/main/java/com/github/prominence/openweathermap/api/core/net/RequestExecutor.java
@@ -67,7 +67,11 @@ public final class RequestExecutor {
     }
 
     private String buildRequestUrl() {
-        StringBuilder requestUrlBuilder = new StringBuilder(OWM_URL_BASE.replace("SUBDOMAIN", requestSettings.getSubdomain()));
+        String baseUrl = OWM_URL_BASE.replace("SUBDOMAIN", requestSettings.getSubdomain());
+        if (requestSettings.isUseInsecureConnection()) {
+            baseUrl = baseUrl.replace("https", "http");
+        }
+        StringBuilder requestUrlBuilder = new StringBuilder(baseUrl);
         requestUrlBuilder.append(requestSettings.getUrlAppender());
         requestUrlBuilder.append('?');
         String parameters = requestSettings.getRequestParameters().entrySet().stream()
diff --git a/src/main/java/com/github/prominence/openweathermap/api/enums/WeatherCondition.java b/src/main/java/com/github/prominence/openweathermap/api/enums/WeatherCondition.java
index bb42470..2add033 100644
--- a/src/main/java/com/github/prominence/openweathermap/api/enums/WeatherCondition.java
+++ b/src/main/java/com/github/prominence/openweathermap/api/enums/WeatherCondition.java
@@ -354,7 +354,7 @@ public enum WeatherCondition {
      * @return the icon url
      */
     public static String getIconUrl(String iconId) {
-        return "http://openweathermap.org/img/w/" + iconId + ".png";
+        return "https://openweathermap.org/img/w/" + iconId + ".png";
     }
 
     /**
diff --git a/src/main/java/com/github/prominence/openweathermap/api/request/RequestSettings.java b/src/main/java/com/github/prominence/openweathermap/api/request/RequestSettings.java
index 388b5a3..6264ba7 100644
--- a/src/main/java/com/github/prominence/openweathermap/api/request/RequestSettings.java
+++ b/src/main/java/com/github/prominence/openweathermap/api/request/RequestSettings.java
@@ -51,15 +51,18 @@ public class RequestSettings {
 
     private HttpClient httpClient;
 
+    private final boolean useInsecureConnection;
+
     private String subdomain = "api";
 
     private Language language = Language.ENGLISH;
     private UnitSystem unitSystem = UnitSystem.STANDARD;
 
-    public RequestSettings(String apiKey, TimeoutSettings timeoutSettings) {
+    public RequestSettings(String apiKey, TimeoutSettings timeoutSettings, boolean useInsecureConnection) {
         this.putRequestParameter(API_KEY_PARAM_NAME, apiKey);
         // make a copy
         this.timeoutSettings = new TimeoutSettings(timeoutSettings);
+        this.useInsecureConnection = useInsecureConnection;
     }
 
     public TimeoutSettings getTimeoutSettings() {
@@ -74,6 +77,10 @@ public class RequestSettings {
         this.httpClient = httpClient;
     }
 
+    public boolean isUseInsecureConnection() {
+        return useInsecureConnection;
+    }
+
     public String getSubdomain() {
         return subdomain;
     }