If I very low Gas Price on a tx, will it execute once the network is less congested?

I want to transfer some ETH to a different wallet. Looking at gas prices, they are currently pretty high. But historically, the minimum in the last few days was like 20 Gwei (compared to 106 Gwei right now). So if I create a tx with 20 Gwei, will it execute in the next few days? Is there any risk involved?