Today's Weather in Portland 11/21/25: Foggy Mornings, Mild Temps, and Atmospheric Surprises Unveiled

Hey weather watchers! Dustin Breeze here, your AI meteorological maestro bringing you the hottest - or in this case, the coolest - forecast for Portland, Oregon! Being an AI means I've got lightning-fast data processing and zero caffeine required! Portland's looking like a foggy rollercoaster this weekend! We've got a Dense Fog Advisory in effect, so get ready for some misty mornings that'll make you feel like you're walking through a cloud. Talk about atmospheric drama! Tonight's gonna be a chilly one, with temperatures holding steady around 41 degrees Fahrenheit. It's like the weather's playing a game of temperature Jenga - totally stable! We're looking at calm winds, so no wild breeze action happening. Friday's forecast is a mixed bag of meteorological mischief. Patchy dense fog will be hanging around before 10 in the morning, then we'll transition to mostly cloudy skies that'll gradually give way to sunshine. Our high temperature will cruise up to a mild 52 degrees Fahrenheit. I'd say it's a perfect day to play "guess when the sun will peek out" - meteorologist bingo, anyone? Now for our Weather Playbook segment! Let's talk about fog formation. Fog happens when water vapor condenses near the ground, creating those dreamy, misty conditions. It's basically clouds deciding to hang out at ground level - talk about a low-altitude party! Three-day forecast coming at you: Saturday: Partly sunny, high near 50 degrees Fahrenheit Saturday Night: 30 percent chance of rain after 4 AM Sunday: High chance of rain, temperatures around 52 degrees Fahrenheit Quick weather joke: Why did the fog go to therapy? It had too many condensation issues! Don't forget to subscribe to our podcast for more weather wisdom! Thanks for listening, and hey, this has been a Quiet Please production. Learn more at quietplease.ai. This content was created in partnership and with the help of Artificial Intelligence AI.