Oregon (Portland)
August
Weather in Oregon for August 2025
Your guide to Oregon weather in August - trends and predictions
In general, the average temperature in Oregon at the beginning of August is 31.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 28 °F by the end of August.
With an average of 4 rainy days, Oregon experiences minimal rainfall in August.
- New! Chat with our AI weatherman - it’s amazing and free.
27
Dry days
4
Rainy days
0
Snow days
31°/15°
Temperatures
14 km/h
Avg max wind
54 %
Avg humidity
Oregon in August average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  34° | 2  34° | 3  30° | ||||
| 4  32° | 5  31° | 6  29° | 7 30° | 8 30° | 9 29° | 10 30° |
| 11 29° | 12 28° | 13 32° | 14 34° | 15 33° | 16 32° | 17 32° |
| 18 26° | 19 28° | 20 29° | 21 25° | 22 23° | 23 21° | 24 24° |
| 25 29° | 26 32° | 27 27° | 28 27° | 29 27° | 30 28° | 31 26° |
You can click on date
Access Oregon weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during August in Oregon
See the weather trend as well as the moving average line
August weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 | Overcast | 34° /14° | 0 mm | 8 | |
| Aug. 2 | Sunny | 34° /17° | 0 mm | 8 | |
| Aug. 3 | Partly cloudy | 30° /16° | 0 mm | 8 | |
| Aug. 4 | Cloudy | 32° /15° | 0 mm | 8 | |
| Aug. 5 | Patchy rain possible | 31° /16° | 0.1 mm | 8 | |
| Aug. 6 | Moderate rain at times | 29° /16° | 0.2 mm | 7 | |
| Aug. 7 | Overcast | 30° /15° | 0 mm | 7 | |
| Aug. 8 | Overcast | 30° /15° | 0 mm | 7 | |
| Aug. 9 | Patchy rain possible | 29° /17° | 0.2 mm | 7 | |
| Aug. 10 | Overcast | 30° /15° | 0 mm | 7 | |
| Aug. 11 | Partly cloudy | 29° /14° | 0 mm | 7 | |
| Aug. 12 | Overcast | 28° /14° | 0 mm | 7 | |
| Aug. 13 | Sunny | 32° /14° | 0 mm | 8 | |
| Aug. 14 | Sunny | 34° /16° | 0 mm | 9 | |
| Aug. 15 | Sunny | 33° /17° | 0 mm | 8 | |
| Aug. 16 | Sunny | 32° /17° | 0 mm | 8 | |
| Aug. 17 | Overcast | 32° /16° | 1.7 mm | 7 | |
| Aug. 18 | Overcast | 26° /14° | 0.1 mm | 6 | |
| Aug. 19 | Sunny | 28° /11° | 0 mm | 8 | |
| Aug. 20 | Partly cloudy | 29° /13° | 0.2 mm | 7 | |
| Aug. 21 | Overcast | 25° /13° | 0 mm | 6 | |
| Aug. 22 | Overcast | 23° /13° | 2.5 mm | 5 | |
| Aug. 23 | Overcast | 21° /12° | 5.7 mm | 5 | |
| Aug. 24 | Sunny | 24° /11° | 0.8 mm | 6 | |
| Aug. 25 | Patchy rain possible | 29° /14° | 0.8 mm | 7 | |
| Aug. 26 | Sunny | 32° /15° | 0 mm | 8 | |
| Aug. 27 | Sunny | 27° /15° | 0.1 mm | 7 | |
| Aug. 28 | Overcast | 27° /13° | 0 mm | 6 | |
| Aug. 29 | Overcast | 27° /13° | 0 mm | 7 | |
| Aug. 30 | Overcast | 28° /15° | 0 mm | 7 | |
| Aug. 31 | Light rain shower | 26° /15° | 1.6 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Oregon in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Oregon forecast closer to your planned date for the most up-to-date weather information.
Oregon in August - FAQ
What are the expected maximum and minimum temperatures in Oregon during August?
Expect warm days with temperatures around 31°, cooling to mild conditions of 15° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Oregon during August?
Rainfall in Oregon during August is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 4 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Oregon during August?
The average wind speed in Oregon during August is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Oregon
Explore the daily rainfall trends and prepare for Oregons August weather 💧
UV exposure in Oregon during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
Provinces in Oregon
Select a province for an accurate weather forecast
Top locations in Oregon
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is Oregon?Get accurate weather forecasts for Oregon, located at latitude 45.523 and longitude -122.676. Stay updated with localized weather information tailored for Oregon.
Found a mistake?
We appreciate your attention to details. Tell us here.