diff --git a/check_raspi_temp b/check_raspi_temp
new file mode 100755
index 0000000..c74816e
--- /dev/null
+++ b/check_raspi_temp
@@ -0,0 +1,43 @@
+#!/bin/python3
+#
+import argparse
+import nagios
+import subprocess
+
+GPU_ERROR = 80
+GPU_WARNING = 75
+#
+CPU_ERROR = 80
+CPU_WARNING = 75
+#
+
+if __name__ == "__main__":
+    cpu_temp = subprocess.check_output(['cat', '/sys/class/thermal/thermal_zone0/temp']).decode('utf-8')
+    try:
+        cpu_temp = int(cpu_temp) / 1000
+    except ValueError:
+        cpu_temp = None
+
+    gpu_temp = subprocess.check_output(['vcgencmd', 'measure_temp']).decode('utf-8')
+    gpu_temp = gpu_temp[gpu_temp.find('=')+1:gpu_temp.find("'")]
+    try:
+        gpu_temp = float(gpu_temp)
+    except ValueError:
+        gpu_temp = None
+    #
+    n = nagios.Nagios()
+    #
+    if (gpu_temp or 0) > GPU_ERROR:
+        status = n.ERROR
+    elif (cpu_temp or 0) > CPU_ERROR:
+        status = n.ERROR
+    elif (gpu_temp or 0) > GPU_WARNING:
+        status = n.WARNING
+    elif (cpu_temp or 0) > CPU_WARNING:
+        status = n.WARNING
+    elif gpu_temp is None or cpu_temp is None:
+        status = n.UNKNOWN
+    else:
+        status = n.OK
+    #
+    n.exit(status, f"cpu-temperature={cpu_temp}°C - gpu-temperature: {gpu_temp}°C")