Could weather affect wireless connection?

Last week there was heavy rain and the wireless internet connection was fine until a few days ago. All day it either gains or loses signal every hour and I'm not sure what caused it. Maybe it was the weather but I believe there could be other causes. It's getting more sunnier than before and I'm hoping... show more Last week there was heavy rain and the wireless internet connection was fine until a few days ago. All day it either gains or loses signal every hour and I'm not sure what caused it. Maybe it was the weather but I believe there could be other causes. It's getting more sunnier than before and I'm hoping that wireless connection should return to normal.
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