Mac fans and temperatures, explained.

Practical guides from the team that builds FanBar — written to fix the problem, not to sell the app.

• October 15, 2026

  How to Check Mac Temperature on Apple Silicon (What Actually Works)

  macOS doesn't show CPU temperature, and the old powermetrics smc command doesn't exist on Apple Silicon. Here's what the built-in tools can tell you, how to read real CPU, GPU, SSD, and battery temperatures, and what the numbers mean.

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• October 15, 2026

  Mac Fan Running Constantly at Idle? How to Tell Normal From a Problem

  Is your Mac fan running all the time, even when idle? Learn which Macs keep their fans spinning by design, how to compare the current speed with the fan's minimum, and what to check when it's genuinely too high.

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• October 15, 2026

  Why Is My MacBook Fan So Loud? Causes and Fixes

  A loud MacBook fan means your Mac is moving heat. Here's how macOS decides fan speed, how to find the process or condition behind the noise, and when it points to a hardware problem.

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