Thanks for the like.
If you said rain, I would say a wet joint.
If your cable is an aerial lead in, in the air, it could be a fracture in the cable that faults when the wind blows.
A "Like" is always appreciated. If my advice is a solution, please mark it. I'm not a Telstra employee.
50 + years exp. in radio comms., eg mobile phones since 1963, two-way radios, base stations, antennas & pagers. My motto: "Doing the right thing is never wrong".