Honestly, if you've ever spent a week on the Oregon coast in January, you know the drill. It’s that weird, beautiful, and slightly damp dance between "I need my sunglasses" and "Where did I put the heavy-duty raincoat?"
Right now, looking at the 10 day forecast Coos Bay, things are shaping up to be surprisingly mild for this time of year. Today, January 17, 2026, we’re actually seeing a high of 60°F. That’s basically tropical for a Coos County winter.
Usually, we're hunkering down for some serious atmospheric rivers, but the next few days are leaning heavily into the "sunny and crisp" category. If you’re planning to hit the dunes or just walk the boardwalk, the window is wide open.
The Immediate Breakdown: Sun and Chill
The next couple of days are looking pretty solid. Tomorrow, Sunday, the high drops slightly to 54°F, but it stays sunny. Monday is the real winner of the week, with a high of 61°F and clear skies.
- Saturday: Sunny, High 60°F, Low 41°F.
- Sunday: Sunny, High 54°F, Low 41°F.
- Monday: Sunny, High 61°F, Low 41°F.
It's sorta rare to get three back-to-back sunny days in January without a massive storm system breathing down our necks. Enjoy it while it lasts, because Tuesday starts the transition. We’ll see mostly sunny skies with a high of 55°F, but the clouds start rolling in for the night.
Mid-Week Shifts: When the Clouds Return
By Wednesday, January 21, the "classic" coast weather starts to reassert itself. We're looking at a cloudy day with a high of 51°F. It’s not necessarily a washout yet—precipitation chances are only around 10%—but the vibe definitely shifts from "spring-like" back to "standard winter."
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Thursday gives us one last burst of sun with a high of 50°F, but don't let that fool you. The humidity is creeping up toward 86%, which means that bite in the air is going to feel a lot sharper.
The Arrival of the Rain
Friday, January 23, is when you'll finally need those boots. We’re expecting light rain to start during the day (about a 20% chance) and pick up to a 40% chance by Friday night.
The weekend of the 24th and 25th stays damp. Saturday, January 24, has the highest chance of rain in this window at 35% during the day, with a high of 54°F. Sunday settles back into a cloudy pattern with a high of 51°F.
Why the Coos Bay 10-Day Forecast Matters Right Now
Coastal weather isn't just about whether you can go for a hike. We just had that 6.0 magnitude earthquake offshore on January 16, which definitely put everyone on edge. Thankfully, no tsunami followed, but when the ground shakes and the weather changes, people notice.
Local experts at the South Slough Reserve and researchers like Cameron Greenwood from the Oregon Water Resources Department have been pointing out that our winter has been unusually warm. We’re seeing a "snowpack drought" in the Cascades because the temperatures are staying just a few degrees too high for the snow to stick. This 10-day trend in Coos Bay, with highs hitting 60°F and 61°F, is a perfect example of that warmth.
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Basically, it's nice for your weekend plans, but it’s a bit of a worry for the summer water levels.
Preparation and Actionable Steps
If you're in town or visiting, here’s how to handle this specific 10 day forecast Coos Bay:
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- Layer for the humidity: Even on the sunny days, that 60% to 80% humidity makes 50°F feel much colder than it looks on paper.
- Monitor the night lows: We are consistently hitting 40°F or 41°F at night. If you’re traveling or have sensitive plants out, keep that in mind.
- Check the North winds: Most of these sunny days are accompanied by a 4 to 6 mph north wind. It’s a gentle breeze, but it’ll make the beach feel significantly cooler than the downtown area.
- Rain gear by Friday: Don't get complacent with the early-week sun. Keep the raincoat in the car starting Thursday night.
The stretch from Monday to Wednesday is your best bet for any outdoor projects or coastal photography. After that, the gray returns. Stay dry out there.