Arriving in Seattle the end of June

I’m more than stoked.
My partner and I have been living in southern New Mexico for 3 years now, he’s from here and I’m from Brazil, but have moved a lot.
Now, I do really love the mild weather and the rain and thrive on it. However, I’m now older and genuinely afraid of the seemingly drastic change that’s gonna be. For us and for the cat, too.
Any tips, tricks, advice, warnings are appreciated!
Health tips, good vets for cats, best grocery stores, any etiquette rule we should accustom to beforehand, etc.
We’re genuinely so so so happy, visited not too long ago and confirmed that we were in love with it.
Thank you all! ❤️🌧️☕️