Cumulus MX

What is Cumulus MX?

Cumulus MX turns readings from a supported personal weather station into a local weather record. Its browser-based administrative interface brings together current conditions, gauges, charts, daily comparisons and longer-term extremes. It is intended for station owners who want to inspect and manage their own observations, rather than users looking for a general city-weather forecast app.

Station compatibility is the first check: the project documents specific models and connection methods, including Davis and Ecowitt devices. After configuring the station and units, use the local interface to review readings, manage logs and configure reports. Keep this administrative interface on your computer or trusted local network; the documentation says not to expose it to the internet.

The linked package is the publisher's ZIP distribution of version 5.1.6, build 5016. Version 5 requires .NET 10, not the older .NET versions still mentioned in some wiki articles. Install all files from the distribution together. If moving from version 4, back up the existing installation before starting version 5: its first run converts log files, and reverting is not a simple replacement of the executable. The screenshot illustrates an older, annotated NOAA report-settings screen from the project wiki; it is not a capture of the current release.

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