Welcome to the Cumulus Support forum.

Latest Cumulus MX release 3.11.4 (build 3133) - 25 May 2021
Legacy Cumulus 1 release v1.9.4 (build 1099) - 28 November 2014 (a patch is available for 1.9.4 build 1099 that extends the date range of drop-down menus to 2030)

Download the Software (Cumulus MX / Cumulus 1 and other related items) from the Wiki

If you are interested in supporting Cumulus then maybe you would like to contribute to the maintenance of the Wiki? This need not take hours of your time - just a half hour here and there can make a big difference, particularly if many people are doing this. Any contributions are very welcome, whether they involve new content or editing of existing content. It will be very helpful to current and future users of Cumulus software if the Wiki is kept well-maintained and current. If you are interested then please contact forum user saratogaWX and ask for a Wiki account.

Search found 2 matches

by martinjac
Fri 23 Apr 2021 10:23 am
Forum: Instromet
Topic: Instromet datalogger
Replies: 7
Views: 1831

Re: Instromet datalogger

Hi, I have an Instromet MetPlus data logger running with CumulusMX 3.10.5 build 3122, the latest build. It is working perfectly with the help of Mark Crossley in previous years. I have also just updated to the latest website template and made this website visible on www.harrowweather.co.uk (index.ht...
by martinjac
Sun 27 Mar 2016 1:36 pm
Forum: CumulusMX Beta (releases up to b3043)
Topic: Can't connect CumulusMX to Weather Station
Replies: 6
Views: 1309

Re: Can't connect CumulusMX to Weather Station

I can get all of the following to work correctly with a Symantec (or Norton) Internet Security in place. localhost:8998 computer name, e.g. win17-wx:8998 Computer IP address, e.g. I did allow 'CumulusMX.exe' as an allowed program in the Internet Security program control...