diff --git a/esphome/__main__.py b/esphome/__main__.py
index 403bf89401..bf2d68d834 100644
--- a/esphome/__main__.py
+++ b/esphome/__main__.py
@@ -509,6 +509,11 @@ def run_esphome(argv):
         _LOGGER.error("Missing configuration parameter, see esphome --help.")
         return 1
 
+    if IS_PY2:
+        _LOGGER.warning("You're using ESPHome with python 2. Support for python 2 is deprecated "
+                        "and will be removed in 1.15.0. Please reinstall ESPHome with python 3.6 "
+                        "or higher.")
+
     if args.command in PRE_CONFIG_ACTIONS:
         try:
             return PRE_CONFIG_ACTIONS[args.command](args)