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Portland, OR skyline — local weather forecast and conditions
Portland, OR Photo: Brandon DesJarlais
Weather Portland, OR

Portland Weather Sunday: Warm 77°F and Mostly Cloudy Before Rain Arrives

7-Day Forecast

Sun🌥️77°Mostly Cloudy
Mon🌧️75°Mostly Cloud...
Tue🌧️63°Chance Light...
Wed🌧️58°Rain
Thu🌧️64°Slight Chanc...
Fri☀️71°Sunny
Sat☀️73°Sunny

Portland weather this Sunday is shaping up to be a beautiful spring day—mostly cloudy skies, a high near 77°F, and just a 6% chance of rain. It’s the kind of day that makes you want to get outside before the weather pattern shifts early next week.

Sunday: Make the Most of It

If you’re planning to hit the trails in Forest Park or catch a game of frisbee golf at Pier Park, Sunday morning will start mild around 50°F, climbing steadily through the day with light east-northeast winds around 5 mph. There’s virtually no rain expected, so your outdoor plans are solid. This is prime time to walk across the Hawthorne Bridge, explore the Waterfront Park, or take the scenic drive up to Timberline Lodge on Mt. Hood—visibility should be decent with just thin clouds overhead.

Allergy sufferers, take note: spring pollen counts are ramping up with all this warmth and dry air. If you’re sensitive, consider grabbing an allergy relief nasal spray before heading outside, or wear a pollen count face mask if you’re doing yard work. Sunday’s a great day to tackle spring cleanup, but an air quality monitor indoors can help you track when to close windows as pollen peaks later in the day.

Monday: The Pattern Shifts

Here’s where you need to pay attention. Monday morning stays mostly cloudy and warm (high near 75°F), but the National Weather Service is signaling a 40% chance of light rain developing after 5 PM PDT. This is the leading edge of a slow-moving weather system organizing out over the Pacific. If you’re planning outdoor activities Monday, get them done before mid-afternoon. The rain itself looks light at this point, but confidence is increasing that showers become more likely late Monday into Tuesday as moisture spreads inland from the coast.

Looking Ahead

Wednesday is shaping up to be the coolest and wettest day of the week, so plan accordingly. If you’ve got yard work or landscaping in mind, Sunday is your window. Consider picking up some lawn fertilizer for spring growth while conditions are dry, or invest in a rain garden plant kit to help manage the runoff we’ll get mid-week.

Dinner Plans

With Sunday’s warmth, fire up the grill for some burgers or salmon—perfect weather for outdoor cooking before the rain arrives. If you’d rather stay in Monday evening when the rain moves in, a hearty pasta or stir-fry pairs nicely with cozy indoor weather. Did you know you can order groceries on Amazon? Get everything you need for tonight’s dinner delivered straight to your door.

Stay dry, enjoy the sunshine while it lasts, and keep an eye on Portland’s extended weather forecast for Wednesday’s system.

Live Radar — Portland Area

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Live weather radar for Portland, OR

Radar data from the National Weather Service

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