Honestly, if you've lived in the Tualatin Valley for more than a week, you know the "Beaverton Bubble" is a real thing. You can be standing in the Nike parking lot under a cloudless sky while your friend three miles away in Cedar Hills is getting hammered by a rogue January downpour.
Right now, the 10 day weather beaverton or forecast is doing that classic mid-winter dance. We’re currently sitting at a crisp 52°F with sun—yeah, actual sun—which feels like a minor miracle for January 15. But don't go putting the heavy parka in storage just yet.
The Immediate Outlook: Sun, Fog, and Stagnation
Today is basically a "Goldilocks" day. Not too hot, definitely not summer, but at 54°F for a high, it’s significantly warmer than the historical January average of 46°F.
There's a bit of a catch, though. If you looked out your window this morning and couldn't see the neighbor's mailbox, you aren't alone. We've been dealing with a Dense Fog Advisory and an Air Stagnation Advisory that’s sticking around until early tomorrow morning. Basically, the air is sitting still, trapping all that valley moisture (and whatever else is floating around) right at ground level.
- Today (Jan 15): High of 54°F. Sunny skies after the fog burns off. Northeast winds around 11 mph.
- Tonight: Drops to a chilly 39°F. Clear but cold.
- Friday (Jan 16): Almost a carbon copy. High of 53°F, low of 38°F. The wind picks up a bit from the east at 15 mph, so that "breezy" feeling the locals talk about will be in full effect.
Walking Through the Next 10 Days
The weekend looks decent if you’re planning on hitting the Farmers Market or taking the dog to Tualatin Hills Nature Park. Saturday stays sunny with a high of 50°F, though the overnight low dips to 34°F. Sunday is where the "chilly" part of the January forecast really bites back with a low of 33°F.
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By Monday, the clouds start reclaiming their territory. We’re looking at "partly sunny" with a high of 48°F. It’s that transitional day where you start wondering where you left your umbrella.
When the Rain Returns (and maybe some white stuff?)
Tuesday and Wednesday (Jan 20-21) is when the valley returns to its true form. Mostly cloudy to start, then full-on cloudy. Temperatures start sliding down into the low 40s.
Then it gets weird.
Next Thursday, January 22, we’re looking at light rain all day and night. But keep an eye on Friday, January 23. The current forecast is calling for a "rain and snow" mix.
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Now, before you rush to Fred Meyer for bread and milk, let’s be real: "rain and snow mix" in Beaverton usually means big, wet flakes that melt the second they touch a blade of grass. However, the overnight low that Friday is 35°F, and the following Saturday (Jan 24) carries a slight chance of snow in the morning with a high of only 45°F.
Why the 10-Day Forecast Changes So Fast
The Pacific Northwest is notorious for being a nightmare for meteorologists. We’re sandwiched between the Pacific Ocean and the Cascades. When that cold air pushes down from the north and hits the moisture coming off the coast, things get unpredictable fast.
Historical data from the NCEI shows that Beaverton usually sees about 7 inches of rain in January. This year? We’re actually trending a bit drier than usual, which explains why we've had so many sunny stretches lately. But that high humidity—currently hovering around 70-80%—means that even a 45-degree day feels like it’s soaking into your bones.
What to Actually Wear
Since the 10 day weather beaverton or is swinging from 54°F sun to 34°F "maybe snow," you've gotta layer.
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- The Base Layer: Something moisture-wicking. Even when it's cold, if you're walking around Progress Ridge, you'll break a sweat in the sun.
- The "Oregon Jacket": You know the one. Light, waterproof, probably has a hood you never use until it suddenly starts pouring.
- The Shoes: Waterproof boots. Period. The ground is going to be saturated for the next two weeks regardless of whether it’s "sunny" or not.
Practical Steps for the Week Ahead
Check your tire pressure. These temperature swings—from 54°F during the day to near-freezing at night—will make that little low-pressure light pop up on your dashboard.
If you’re a gardener, the current sunny streak is tempting, but don't plant anything sensitive yet. That low of 31°F on Tuesday night is a reminder that we are still very much in the thick of winter.
Clear your storm drains. With the rain returning late next week, those leftover autumn leaves in the gutter are just waiting to turn your driveway into a private pond.
Stay dry, keep a spare pair of socks in the car, and enjoy the sun while it's actually here. In Beaverton, you never know when the gray curtain is going to close for another three weeks straight.
Check the local Air Stagnation Advisory levels before planning long outdoor runs this week, and if that rain-snow mix on the 23rd actually materializes, give yourself an extra twenty minutes for the commute on 217.