Oregon (Portland)
August
Weather in Oregon for August 2026
Your guide to Oregon weather in August - trends and predictions
In general, the average temperature in Oregon at the beginning of August is 28 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 28.6 °F by the end of August.
With an average of 4 rainy days, Oregon experiences minimal rainfall in August.
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Temperatures
Rain 🌧️
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27
Dry days
4
Rainy days
0
Snow days
29°/15°
Temperatures
13 km/h
Avg max wind
55 %
Avg humidity
Oregon Weather August
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What’s the Weather Like in Oregon This August?
Discover the average temperatures and weather trends across Oregon’s cities this August.
Temperatures trend during August in Oregon
See the weather trend as well as the moving average line
August weather in Oregon day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Overcast | 29° /14° | 0 mm | 7 | |
| Aug. 2 | Overcast | 30° /16° | 0 mm | 7 | |
| Aug. 3 |  Partly cloudy | 27° /15° | 0 mm | 7 | |
| Aug. 4 |  Cloudy | 28° /14° | 0 mm | 7 | |
| Aug. 5 |  Patchy rain possible | 29° /15° | 0.1 mm | 7 | |
| Aug. 6 |  Moderate rain at times | 26° /16° | 7.9 mm | 6 | |
| Aug. 7 | Overcast | 27° /15° | 0 mm | 6 | |
| Aug. 8 | Overcast | 29° /14° | 0 mm | 6 | |
| Aug. 9 | Patchy rain possible | 29° /16° | 0.1 mm | 7 | |
| Aug. 10 |  Sunny | 32° /16° | 0 mm | 8 | |
| Aug. 11 | Partly cloudy | 31° /16° | 0 mm | 7 | |
| Aug. 12 | Overcast | 31° /16° | 0 mm | 7 | |
| Aug. 13 | Sunny | 30° /15° | 0 mm | 7 | |
| Aug. 14 | Sunny | 31° /16° | 0 mm | 8 | |
| Aug. 15 | Sunny | 30° /17° | 0.5 mm | 7 | |
| Aug. 16 | Sunny | 29° /17° | 18.6 mm | 7 | |
| Aug. 17 | Overcast | 30° /16° | 1.1 mm | 7 | |
| Aug. 18 | Overcast | 25° /15° | 0.1 mm | 6 | |
| Aug. 19 | Sunny | 28° /13° | 0 mm | 7 | |
| Aug. 20 | Partly cloudy | 28° /14° | 0.1 mm | 6 | |
| Aug. 21 | Overcast | 28° /13° | 0 mm | 6 | |
| Aug. 22 | Overcast | 28° /14° | 1.6 mm | 6 | |
| Aug. 23 | Overcast | 27° /15° | 3.8 mm | 6 | |
| Aug. 24 | Sunny | 29° /14° | 0.5 mm | 7 | |
| Aug. 25 | Patchy rain possible | 30° /16° | 0.5 mm | 7 | |
| Aug. 26 | Sunny | 33° /17° | 0 mm | 8 | |
| Aug. 27 | Sunny | 29° /16° | 0.1 mm | 7 | |
| Aug. 28 | Overcast | 28° /14° | 0 mm | 6 | |
| Aug. 29 | Overcast | 27° /14° | 0 mm | 6 | |
| Aug. 30 | Overcast | 28° /15° | 0 mm | 6 | |
| Aug. 31 | Light rain shower | 25° /15° | 1.1 mm | 6 | |
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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.
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Oregon in August - FAQ
What are the expected maximum and minimum temperatures in Oregon during August?
During August, expect a variety of temperatures with highs around 29° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Oregon during August?
Expect minimal rainfall in Oregon during August, with a total of 13.9 mm over approximately 4 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Oregon during August?
The average wind speed in Oregon during August is 13 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 ☀️
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