Introduction
You step outside in Portland and the sky looks clear. But two hours later, everything changes. That is Portland weather for you — beautiful one moment, unpredictable the next. If you live here or plan to visit, checking the Portland weather 10 day forecast is not just helpful. It is essential.
This guide covers everything you need to know about Portland’s weather right now. You will find the current conditions, the 10 day outlook, rain chances, weekend forecasts, temperature ranges, hourly breakdowns, and active weather alerts. Whether you are planning a hike, a road trip, or just your daily commute, this article has you covered from today all the way through the next 10 days.
Portland Weather Today: What to Expect Right Now
Portland is sitting in the heart of summer in August 2026. Today, the city is seeing sunny skies with a high near 83°F. Winds are light, coming from the north-northwest at around 3 to 7 mph. Overnight, clouds will increase gradually, with a low settling around 59°F.
Here is a quick snapshot of Portland weather today:
- Daytime high: Around 83°F (28°C)
- Overnight low: Near 59°F (15°C)
- Conditions: Sunny with light north-northwest winds
- Humidity: Approximately 60%
- UV index: High — sunscreen is a must
August is one of Portland’s best months to be outdoors. The city gets roughly 10 hours of bright sunshine each day this month, which accounts for about 70% of all daylight hours. So yes, get outside while you can.Source:accuweather
Portland Weather Tomorrow: A Smooth Continuation
Tomorrow brings mostly sunny skies with highs in the lower 80s. Winds shift slightly to the northwest at 5 to 10 mph. Overnight lows drop to the mid-50s. Rain is not in the picture at all — so you can safely skip the umbrella.
If you have outdoor plans for tomorrow, go ahead and lock them in. Conditions look clean and comfortable across the board.
Portland Oregon Weather 10 Day Forecast Breakdown
Here is your full Portland Oregon weather 10 day outlook so you can plan your entire week and beyond:
| Day | High | Low | Conditions |
|---|---|---|---|
| Wednesday | 83°F | 59°F | Sunny |
| Thursday | 79°F | 58°F | Decreasing Clouds |
| Friday | 83°F | 59°F | Becoming Sunny |
| Saturday | 84°F | 59°F | Mostly Sunny |
| Sunday | 85°F | 61°F | Mostly Sunny |
| Monday | 82°F | 58°F | Partly Sunny |
| Tuesday | 77°F | 58°F | Partly Sunny |
| Wednesday | 82°F | 61°F | Sunny |
| Thursday | 81°F | 58°F | Mostly Sunny |
| Friday | 82°F | 56°F | Sunny |
The 10 day weather forecast Portland Oregon looks warm, dry, and mostly sun-filled. That matches perfectly with what August historically delivers. August is Portland’s driest month alongside July, with only around 4 rainy days in the entire month and a total of roughly 13.9 mm of rainfall across those days. So your week looks solid.
Portland Temperature: Understanding the Numbers
Portland temperatures in August are a true sweet spot. Daytime highs hover around 80°F to 87°F. Nighttime lows are comfortable, dropping to the upper 50s and low 60s. You never need heavy layers, but a light jacket for evenings is always smart.
Here is what makes August temperatures special in Portland:
- Peak heat window: August 11 to 20 sees average highs around 86°F (30°C)
- Coolest stretch: Late August, around August 24, lows can dip to near 55°F
- Year-round average: Portland temperatures range from 36°F in winter to 84°F at peak summer
- Annual summer average: Around 70°F overall
Portland’s climate sits in a Marine West Coast zone, shaped by the Pacific Ocean. This keeps summers warm but not brutal — unlike cities further inland. You get real summer heat without the extreme edge that places like Phoenix dish out.
Portland Rain Forecast: Should You Pack an Umbrella This Week?
Short answer this week: No.
August is Portland’s best month for rain avoidance. The city sees minimal rainfall in August — only about 13.9 mm total across roughly 4 days for the entire month. That means you have about a 13% daily chance of rain on any given day this month. Compare that to December, Portland’s wettest month, where rainfall averages around 4.53 inches.
The Portland rain forecast for the next 10 days shows no meaningful precipitation in the near-term outlook. The pattern stays dry and settled. Enjoy it — because once September arrives, rain gradually creeps back into the picture.
What to know about Portland rain seasons:
- Wettest months: November, December, January (3 to 4.5 inches each)
- Driest months: July and August (under 0.8 inches each)
- Annual rainfall: Around 43 inches per year, slightly above the US average of 38 inches
- Rainy days per year: Portland gets more overcast days than rainy days — the drizzle culture is real
Portland Weekly Weather: The Full Picture
Your Portland weekly weather this week is remarkably stable. Here is the short version:
Early week (Wed–Thu): Warm and mostly sunny. Highs around 79°F to 83°F. Light northwest winds. Perfect for outdoor dining, hiking, or exploring neighborhoods.
Midweek (Fri–Sat): Temperatures nudge up toward 83°F to 84°F. Sunshine holds strong. Evening temperatures stay comfortable in the upper 50s.
Weekend (Sat–Sun): This is the peak of the week. Highs hit 84°F to 85°F. Mostly sunny skies. Low humidity. This weekend shapes up as one of the nicest Portland has seen all summer.
Looking beyond: Next week shows a slight softening in temperatures — mid to upper 70s on some days — but still no rain in the extended outlook.
Portland Weather This Weekend: Great News for Outdoor Plans
If you have been waiting for a perfect weekend, this is it. Saturday tops out near 84°F with mostly sunny skies. Sunday follows up with 85°F and more of the same gorgeous conditions. Overnight lows both nights stay in the upper 50s to low 60s, which makes for ideal sleeping weather.
Whether you are hitting Forest Park trails, kayaking on the Willamette, visiting the Oregon Zoo, or browsing the Saturday Market, the Portland weather this weekend will not let you down. Go make plans with confidence.
Portland Hourly Weather: Plan Your Day by the Hour
Hourly conditions this week follow a consistent pattern:
- 6 AM to 9 AM: Morning temperatures in the upper 50s to low 60s. Clear skies. Light winds.
- 10 AM to 1 PM: Temperatures climb quickly through the 70s. Full sunshine. Low humidity.
- 2 PM to 5 PM: Peak heat of the day. Highs between 80°F and 85°F. Winds from the north at 5 to 10 mph.
- 6 PM to 9 PM: Gradual cooling. Temperatures drop into the mid-70s. Still comfortable for outdoor activities.
- 10 PM onward: Temperatures settle in the upper 50s. Clear to mostly clear skies overnight.
Mornings are the coolest time of day by a good margin. If you are a runner or cyclist, early morning gives you the most comfortable window before the afternoon heat builds.
Portland Weather Radar: Reading the Skies
Portland’s weather radar shows a clean picture this week. No frontal systems are approaching from the Pacific. No thunderstorm cells are building inland. The high pressure ridge sitting over the Pacific Northwest is keeping conditions stable and dry.
When you check Portland weather radar on apps like Weather.gov or your preferred weather platform, look for:
- Green on the radar: Light rain or drizzle (not expected this week)
- Clear radar screen: Dry conditions (what you are seeing this week)
- Yellow or red radar: Heavy rain or storms (very rare in Portland’s summer months)
Portland sits at latitude 45.5°N, nestled between the Cascade Range to the east and the Coast Range to the west. This geography shapes the radar patterns. The mountains block a lot of moisture from reaching the city during summer, which is why dry stretches feel long and reliable this time of year.
Portland Weather Alerts: Stay Informed and Stay Safe
As of this writing, no active severe weather alerts are in place for Portland, Oregon. The National Weather Service Portland office, located at 5241 NE 122nd Avenue, monitors conditions around the clock.
However, here are weather alert types that Portland residents should always watch for:
- Heat advisories: Portland sees around 16 days per year when temperatures hit the 90s. During heat events, the city issues heat advisories, especially for vulnerable residents.
- High wind warnings: Late fall and winter can bring powerful windstorms through the Columbia River Gorge.
- Winter storm watches: December and January bring the occasional ice or snow event. Portland averages only about 3 inches of snow per year — so when it does snow, the city is not always prepared.
- Air quality alerts: Wildfire smoke from eastern Oregon and California can push air quality into unhealthy ranges during late summer.
Always check the National Weather Service Portland or a trusted weather app for the latest alerts before heading out on long trips or planning large outdoor events.
Portland August Weather: Why This Month Is Special
August is the crown jewel of Portland’s weather calendar. Here is why locals and visitors both love it:
- Sunshine: About 10 hours of bright sun per day
- Low humidity: Dew points stay comfortable, unlike humid East Coast summers
- Minimal rain: Only 4 rainy days on average for the whole month
- Warm days, cool nights: Highs in the upper 70s to mid-80s, lows in the upper 50s
- No air conditioning required: Most mornings and evenings feel naturally cool
Portland’s warmest period of the year runs from late July through mid-August. The absolute hottest day of the month typically lands around August 14, when temperatures historically peak near 87°F (30.4°C). After that, a gradual cooling trend sets in through the final week of August.
If you are visiting Portland in August, you are choosing the best possible time. Pack light clothes, sunscreen, and a light evening layer. That is genuinely all you need.
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Portland Oregon 10 Day Forecast: Key Takeaways
Here is a quick summary of everything you need to know from this article:
- The Portland Oregon 10 day forecast looks warm, sunny, and dry throughout
- Daytime highs this week range from 79°F to 85°F
- Overnight lows stay comfortably in the upper 50s to low 60s
- No rain is expected across the next 10 days
- This weekend looks especially beautiful with highs near 84°F to 85°F
- August is Portland’s sunniest and driest month of the year
- No active weather alerts are in place as of today
Portland weather in August truly delivers. Whether you are a long-time Portlander or a first-time visitor, the next 10 days give you no excuse to stay indoors. Get out there and enjoy the city at its absolute best.
What are your plans for this beautiful Portland weekend? Drop a comment and let us know how you are making the most of it.
Frequently Asked Questions About Portland Weather
Q1: What is the Portland weather 10 day forecast right now? The 10 day outlook shows warm, mostly sunny conditions with highs between 79°F and 85°F. No rain is expected. Overnight lows stay in the upper 50s to low 60s.
Q2: Does Portland get a lot of rain? Portland averages about 43 inches of rain per year. However, most rain falls between October and April. Summer months — especially July and August — are very dry with minimal rainfall.
Q3: What is Portland weather like in August? August is Portland’s sunniest month. Expect highs around 80°F to 87°F, lows in the upper 50s, and only about 4 rainy days for the entire month. It is the best time of year to visit.
Q4: Is Portland weather nice this weekend? Yes. This weekend looks excellent — highs near 84°F to 85°F, mostly sunny skies, and comfortable evening temperatures in the upper 50s.
Q5: What are the Portland temperature ranges throughout the year? Portland temperatures range from around 36°F in winter to 84°F at summer’s peak. Summer averages around 70°F while winter averages near 40°F.
Q6: What is the Portland hourly weather pattern in summer? Mornings start cool in the upper 50s, temperatures climb to the low 80s by early afternoon, and then cool back down in the evening. Light north to northwest winds are typical.
Q7: Are there any Portland weather alerts active right now? No active severe weather alerts are in place for Portland as of today. Always check the National Weather Service Portland for the latest updates.
Q8: How do I read the Portland weather radar? A clear radar screen means dry conditions. Green shows light rain or drizzle. Yellow and red indicate heavier rain or storms. Summer radar in Portland is typically very clean.
Q9: When does Portland’s rainy season start? Rain starts picking up gradually in September, increases in October, and peaks in November through January. August and July are the driest months of the year.
Q10: How many sunny days does Portland get per year? Portland averages around 144 sunny days per year, which is below the US average of 205. However, summer months are very sunny, making up for the cloudier winter months.
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Author Bio: Jordan Calloway is a Pacific Northwest weather enthusiast and digital content writer with over seven years of experience covering regional climate patterns, travel planning, and outdoor lifestyle topics. Based in Oregon, Jordan combines data-driven research with a conversational writing style to help everyday readers make smart decisions based on the weather. When not writing, Jordan can be found hiking the trails around Portland — umbrella optional, sunscreen mandatory in August.
