diff --git a/firmware/components/display-classic.yaml b/firmware/components/display-classic.yaml
index 9c88272..5f58d5b 100644
--- a/firmware/components/display-classic.yaml
+++ b/firmware/components/display-classic.yaml
@@ -222,7 +222,7 @@ lvgl:
                               text_font: montserrat_20
                           - label:
                               id: home_temp_label
-                              text: "-- °C"
+                              text: "-- °F"
                               text_font: montserrat_48
                     - button:
                         align: bottom_left
@@ -334,7 +334,7 @@ lvgl:
             widgets:
               - label:
                   id: sensors_temp_label
-                  text: "Temperature: -- °C"
+                  text: "Temperature: -- °F"
                   text_font: montserrat_28
               - label:
                   id: sensors_humidity_label
diff --git a/firmware/components/display.yaml b/firmware/components/display.yaml
index fbeadcb..5470de2 100644
--- a/firmware/components/display.yaml
+++ b/firmware/components/display.yaml
@@ -23,7 +23,7 @@ lvgl:
             widgets:
               - label:
                   id: home_temp_label
-                  text: "-- °C"
+                  text: "-- °F"
                   text_font: montserrat_48
               - label:
                   id: home_mode_label
@@ -84,7 +84,7 @@ lvgl:
             widgets:
               - label:
                   id: sensors_temp_label
-                  text: "Temperature: -- °C"
+                  text: "Temperature: -- °F"
                   text_font: montserrat_28
               - label:
                   id: sensors_humidity_label
diff --git a/firmware/components/sensors.yaml b/firmware/components/sensors.yaml
index 99bb40b..1b5ad6b 100644
--- a/firmware/components/sensors.yaml
+++ b/firmware/components/sensors.yaml
@@ -8,16 +8,20 @@ sensor:
       id: bme280_temperature
       on_value:
         then:
+          # BME280 reports Celsius natively; converted to Fahrenheit here (the only place
+          # this sensor's value reaches the UI) to match the dial setpoints and weather
+          # widget, which are already Fahrenheit. Not a dynamic HA unit-system sync — ESPHome
+          # has no standard entity exposing that setting — just a fixed display convention.
           - lvgl.label.update:
               id: home_temp_label
               text:
-                format: "%.1f °C"
-                args: ["x"]
+                format: "%.1f °F"
+                args: ["x * 9.0f / 5.0f + 32.0f"]
           - lvgl.label.update:
               id: sensors_temp_label
               text:
-                format: "Temperature: %.1f °C"
-                args: ["x"]
+                format: "Temperature: %.1f °F"
+                args: ["x * 9.0f / 5.0f + 32.0f"]
     humidity:
       name: "Ambient Humidity"
       id: bme280_humidity