microsoft.msn.weather.exe is a program which is most likely NOT a virus or malware. So, if microsoft.msn.weather.exe is on your computer, it is most likely ok, and will NOT be a cause for concern. Even if your PC is virus-free, it is still recommended to use a well-known antivirus with a good track record, in order to yourself your system against viruses and malware.
Usually, this program is stored in C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe.
The MD5 checksum for this file is a4614c0a72903f5db72022cd87e50c57.
This program does NOT operate as a Windows service. This is normally a good sign.
64-bit code has been detected. This exe can use the full power of a current computer processor.
microsoft.msn.weather.exe appears to have visible windows. This is good because it doesn't work in some kind of stealth mode. Its activity is clearly shown to the user.
A digital certificate is missing from this program. The maker did not sign it. This is usually bad.
This program does NOT have an uninstall routine stored in registry.