Why Windows 11's Weather App Uses Excessive RAM and Displays Ads

Explore how Windows 11's default Weather app impacts system memory and user experience, including its high RAM use and embedded ads, and what this means for your PC performance.

Why Windows 11's Weather App Uses Excessive RAM and Displays Ads
Sarah Collins

Sarah Collins

Computing Editor

Specializes in PCs, laptops, components, and productivity-focused computing tech.

Why does Windows 11’s Weather app consume so much RAM?

The Weather app in Windows 11 stands out due to its surprisingly high use of system memory, often consuming around 1GB or more of RAM. This is significantly higher than similar apps on other platforms, such as macOS, whose native Weather app uses roughly 250MB at peak. The underlying reason is that the Windows Weather app runs as a web app built on multiple Chromium processes—specifically about eight separate instances—leading to a considerably bloated memory footprint. This design choice causes a heavier load on system resources than expected for a weather utility, which ideally should be lightweight.

How do ads in the Weather app affect the user experience?

Windows 11 weather app uses more than 1GB RAM on its own
Windows 11 weather app uses more than 1GB RAM on its own

Beyond high memory consumption, the Weather app incorporates full advertisements pulled from the MSN network, featuring products like shoes and medical insurance. These ads appear alongside your weather data, detracting from a clean user experience and adding to system resource usage. While Microsoft has a history of upselling within Windows, the inclusion of third-party ads inside a core app creates frustration, especially on devices with limited RAM or for users who expect a streamlined interface without commercial interruptions.

What are the implications of the Weather app’s design for Windows users?

Windows 11 aims to be a premium operating system, yet the Weather app exemplifies some of its persistent issues: unnecessary resource bloat and intrusive ads within default apps. For users on systems with 8GB of RAM or less—still common in many laptops—this app can contribute to sluggishness and degrade overall performance. Microsoft has acknowledged memory pressure concerns and is targeting improvements to reduce Windows 11’s footprint on low-RAM devices, but as it stands, the Weather app remains an example of inefficiency. Moreover, the embedded ads suggest a mismatch between Windows’ paid nature and monetization strategies that rely on in-app promotions, which can alienate users expecting an ad-free environment.

How can users mitigate or respond to these issues?

Windows 11's Weather app uses 5x more RAM than macOS. That's over 1GB |  PCWorld
Windows 11's Weather app uses 5x more RAM than macOS. That's over 1GB | PCWorld

Until improvements arrive, users concerned about performance impact can consider alternatives to the built-in Weather app. Lightweight third-party weather apps or browser-based services may offer comparable functionality with fewer resource demands and no ads. Disabling or uninstalling the built-in Weather app can also free up system resources, though this might affect other Windows widgets or features that rely on it. Ultimately, this situation highlights the trade-offs in Windows 11’s app ecosystem—comprehensive data and features versus efficiency and user experience.

What practical takeaways should Windows users keep in mind?

The Weather app’s heavy RAM use and advertisements reflect broader Windows 11 challenges with balancing rich features and system performance. Users, especially those with limited memory, should monitor their system’s resource usage and consider alternatives if the Weather app noticeably impacts device responsiveness. The presence of ads in a paid OS’s default apps raises important considerations about design priorities and user expectations. Watching Microsoft’s ongoing efforts to optimize Windows 11 and reduce bloat will be key, as addressing these app-level inefficiencies can significantly enhance overall user satisfaction and system smoothness.

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