diff --git a/homeassistant/components/tomorrowio/config_flow.py b/homeassistant/components/tomorrowio/config_flow.py
index cdb0032431c..d6855f42c0a 100644
--- a/homeassistant/components/tomorrowio/config_flow.py
+++ b/homeassistant/components/tomorrowio/config_flow.py
@@ -102,7 +102,7 @@ class TomorrowioOptionsConfigFlow(config_entries.OptionsFlow):
             vol.Required(
                 CONF_TIMESTEP,
                 default=self._config_entry.options[CONF_TIMESTEP],
-            ): vol.In([1, 5, 15, 30]),
+            ): vol.In([1, 5, 15, 30, 60]),
         }
 
         return self.async_show_form(
diff --git a/homeassistant/components/tomorrowio/const.py b/homeassistant/components/tomorrowio/const.py
index 51d8d5f31cc..7ad6ea60836 100644
--- a/homeassistant/components/tomorrowio/const.py
+++ b/homeassistant/components/tomorrowio/const.py
@@ -25,7 +25,7 @@ LOGGER = logging.getLogger(__package__)
 CONF_TIMESTEP = "timestep"
 FORECAST_TYPES = [DAILY, HOURLY, NOWCAST]
 
-DEFAULT_TIMESTEP = 15
+DEFAULT_TIMESTEP = 60
 DEFAULT_FORECAST_TYPE = DAILY
 DOMAIN = "tomorrowio"
 INTEGRATION_NAME = "Tomorrow.io"