diff --git a/py/hexagram/cluster.py b/py/hexagram/cluster.py
index 67f1e53..57f6c81 100644
--- a/py/hexagram/cluster.py
+++ b/py/hexagram/cluster.py
@@ -100,6 +100,28 @@ class Odometer(Gauge):
         cr.move_to(self.x, self.y)
         cr.show_text("%d mi" % self.value)
 
+class AmbientTemp(Gauge):
+    __slots__ = 'x', 'y',
+
+    def __init__(self, x: float, y: float):
+        self.value = 0
+        self.x     = x
+        self.y     = y
+
+    def draw_bg(self, cr: cairo.Context):
+        pass
+
+    def draw_fg(self, cr: cairo.Context):
+        cr.set_source_rgb(1, 1, 1)
+        cr.select_font_face("Muli",
+                            cairo.FontSlant.NORMAL,
+                            cairo.FontWeight.BOLD)
+
+        cr.set_font_size(32)
+
+        cr.move_to(self.x, self.y)
+        cr.show_text("%.1f°C" % self.value)
+
 class Cluster():
     WIDTH  = 1280
     HEIGHT =  480
@@ -107,7 +129,7 @@ class Cluster():
     SHIFT_INDICATOR_X = 392
     SHIFT_INDICATOR_Y =  24
 
-    __slots__ = 'gauges', 'speedo', 'fuel', 'tacho', 'thermo', 'odo',
+    __slots__ = 'gauges', 'speedo', 'fuel', 'tacho', 'thermo', 'odo', 'ambient',
 
     def __init__(self, rpm_min: float, rpm_redline: float, rpm_max: float):
         self.gauges: List[Gauge] = list()
@@ -132,11 +154,14 @@ class Cluster():
 
         self.odo = Odometer(self.HEIGHT, self.HEIGHT - 32)
 
+        self.ambient = AmbientTemp(self.WIDTH - self.HEIGHT - 64, self.HEIGHT - 32)
+
         self.gauges.append(self.speedo)
         self.gauges.append(self.fuel)
         self.gauges.append(self.tacho)
         self.gauges.append(self.thermo)
         self.gauges.append(self.odo)
+        self.gauges.append(self.ambient)
 
         self.gauges.append(ShiftIndicator(self.SHIFT_INDICATOR_X,
                                           self.SHIFT_INDICATOR_Y,