I have had recent need to keep a close eye on my CPU temperatures. Using CPUThermomenterLib and pythonnet based on a stackoverflow article guiding me to modify its generic code to this specific use.

log_cpu_temperatures.py

"""
Access and log CPU temperatures.
Heavily adapted from
https://stackoverflow.com/questions/3262603/accessing-cpu-temperature-in-python
"""
import time
import logging
import sys
from typing import Generator

import clr

# reference provides access to OpenHardwareMonitor namespace
clr.AddReference("CPUThermometerLib")
from OpenHardwareMonitor import Hardware


def initialize_computer():
    computer = Hardware.Computer()
    computer.CPUEnabled = True
    computer.Open()
    return computer


def query_temperature(computer) -> Generator[str, None, None]:
    cpu = computer.Hardware[0]
    temp_sensors = [
        sensor
        for sensor in cpu.Sensors
        if sensor.SensorType == Hardware.SensorType.Temperature
    ]
    while True:
        cpu.Update()
        this_average = sum(sensor.Value for sensor in temp_sensors) / len(temp_sensors)
        yield f"CPU Temperature: {this_average:.2f}°C"
        time.sleep(2)


def initialize_logger():
    temperature_logger = logging.Logger("temperature_tracker")
    temperature_logger.setLevel(logging.INFO)
    stdout_handler = logging.StreamHandler(sys.stdout)
    file_handler = logging.FileHandler("cpu temperatures.log")
    formatter = logging.Formatter(
        "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
    )
    stdout_handler.setFormatter(formatter)
    file_handler.setFormatter(formatter)
    temperature_logger.addHandler(stdout_handler)
    temperature_logger.addHandler(file_handler)
    return temperature_logger


if __name__ == "__main__":
    computer = initialize_computer()
    logger = initialize_logger()
    for temperature_result in query_temperature(computer):
        logger.info(temperature_result)