This map from Vox.com will show you exactly how much of the eclipse you will witness from your zip code. I checked downtown Portland and we will see 99.3%. That of course means you don't have to fight the awful traffic to get south just to see that extra .7% Just stay home.
Listen to Cort weekdays 10a-3p on 105.9 The Brew and Saturdays 6a-9a on 106.7 The Eagle.Full Bio