Acurite Thermometer Reset: Step-by-Step Guide

Emily Jul 26, 2026

Resetting an AcuRite thermometer is a crucial step when you're facing inaccurate readings or simply need to re-calibrate the device. AcuRite thermometers are known for their precision and reliability, but like any electronic gadget, they might sometimes require a reset to function optimally. This article will guide you through the process of resetting your AcuRite thermometer, ensuring you get accurate temperature readings once again.

an alarm clock sitting on top of a red table next to a coffee pot and cup
an alarm clock sitting on top of a red table next to a coffee pot and cup

Before delving into the reset process, it's essential to understand why you might need to reset your thermometer. A reset can help if your thermometer is not showing the correct temperature, if it's displaying error codes, or if you've recently changed the batteries and the device is not functioning as expected.

AcuRite 02059 Thermometer Instruction Manual
AcuRite 02059 Thermometer Instruction Manual

Understanding the Reset Process

AcuRite thermometers use a variety of reset methods depending on the model. The most common method involves using the set button to initiate the reset process. However, some models might require you to remove the battery compartment cover or press and hold specific buttons for a certain duration.

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Regardless of the method, resetting an AcuRite thermometer usually involves these basic steps: turning off the device, waiting for a few seconds, and then booting it up again. In some cases, you might need to follow a specific sequence of button presses or align the indoor and outdoor units.

Identifying Your AcuRite Thermometer Model

two digital thermometers next to each other
two digital thermometers next to each other

Before proceeding with the reset, it's crucial to identify your AcuRite thermometer model. AcuRite offers a wide range of thermometer models, each with its unique reset procedure. You can usually find the model number on the manual that came with your device or on the back of the thermometer itself.

If you're unsure about your model, you can visit the AcuRite website and use their model identifier tool. This will help you find the specific reset instructions for your device.

Gathering Equipment

Acurite 2-3/4" W x 3-1/8" H Plastic Digital Indoor & Outdoor Thermometer
Acurite 2-3/4" W x 3-1/8" H Plastic Digital Indoor & Outdoor Thermometer

Before you begin, make sure you have the following equipment ready:

  • The AcuRite thermometer you want to reset.
  • The device's manual (if available).
  • A sharp implement like a pen or pencil to press buttons if needed.
  • Fresh batteries (if required during the reset process).

Resetting Common AcuRite Thermometer Models

AcuRite Digital Refrigerator Thermometer and Freezer Thermometer sensors with Temperature Alerts review - The Gadgeteer
AcuRite Digital Refrigerator Thermometer and Freezer Thermometer sensors with Temperature Alerts review - The Gadgeteer

While every model has its unique reset procedure, we've outlined the steps for some of AcuRite's most common thermometers below. For the most accurate results, always consult your device's manual or the AcuRite website if you're unsure.

AcuRite 00899 Pro Accuracy Wireless thermodynamic Hybrid Thermometer

Acurite Wireless Weather Thermometer With Humidity Sealed
Acurite Wireless Weather Thermometer With Humidity Sealed
Acu-Rite Digital Thermometer with Indoor/Outdoor Sensor
Acu-Rite Digital Thermometer with Indoor/Outdoor Sensor
an alarm clock and thermometer are shown in two different positions, each with its own temperature
an alarm clock and thermometer are shown in two different positions, each with its own temperature
AcuRite Color Weather Forecaster with Temperature and Humidity
AcuRite Color Weather Forecaster with Temperature and Humidity
three digital thermometers sitting next to each other in front of a white background
three digital thermometers sitting next to each other in front of a white background
Thermal Archive
Thermal Archive
a thermometer and an hygrometer on a green background with snowflakes
a thermometer and an hygrometer on a green background with snowflakes
How Do Infrared Thermometers Work
How Do Infrared Thermometers Work
AcuRite Digital Thermometer with Carabiner Clip
AcuRite Digital Thermometer with Carabiner Clip

This popular model uses the set button to initiate the reset process. Here's how to do it:

  1. Turn off the thermometer by pressing the "Off" button.
  2. Wait for about 30 seconds.
  3. Press and hold the "Set" button for about 10 seconds, then release it.
  4. Wait for the thermometer to reboot. Once it's on, perform a manual sync by pressing and holding the "Set" button until the "علام" symbol appears. Release the button when the indoor and outdoor sensors are aligned.

AcuRite 03017A3 3-Channel AcuRite Thermometer

This model requires you to remove the battery compartment cover and then follow a specific sequence of button presses:

  • Remove the battery compartment cover.
  • Press and release the "Set" button, then press and hold it again for about 5 seconds.
  • Release the "Set" button, then press and release the "Off" button, followed by pressing and releasing the "On" button.
  • Replace the battery compartment cover.

Troubleshooting and Additional Tips

After resetting your AcuRite thermometer, ensure that it's placed appropriately for accurate readings. The outdoor sensor should be mounted away from direct sunlight, heat sources, and vents. It should also be at least 5 feet away from the ground.

Checking for Obstacles

Sometimes, inaccurate readings can be due to obstacles between the outdoor sensor and your thermometer. Make sure there are no trees, buildings, or other objects causing interference.

Updating Your Device's Firmware

If your thermometer is still not working correctly after a reset, it might be due to outdated firmware. AcuRite often releases firmware updates to improve their devices' performance and address any bugs. Visit their website and follow the instructions to update your device's firmware.

In the event that your thermometer's reset process doesn't solve your issues, don't hesitate to contact AcuRite's customer service for further assistance.

Resetting your AcuRite thermometer is a simple yet effective way to ensure accurate temperature readings. With a little patience and the right steps, you can have your trusty thermometer working like new again. Whether you're monitoring the temperature in your home, garden, or workshop, regular resets can help maintain the precision you've come to expect from AcuRite devices. So go ahead, reset your device, and enjoy the comfort and convenience that accurate temperature readings bring.