Portland (OR)
July
Weather in Portland, Oregon for July 2026
Your guide to Portland weather in July - trends and predictions
Until now, July 2026 in Portland is slightly cooler than the historical average by 1.4 °F.
Expect cooler weather in the next days in Portland with the forecast suggesting a temperature of 28.8 °F, lower than the historical average.
In general, the average temperature in Portland at the beginning of July is 29 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 28.1 °F by the end of July.
Precipitation in Portland during July is a rare event, with an average of fewer than 2 rainy days.
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Temperatures
Rain 🌧️
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30
Dry days
1
Rainy days
0
Snow days
29°/14°
Temperatures
15 km/h
Avg max wind
57 %
Avg humidity
Portland Weather July
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Temperatures trend during July in Portland
See the weather trend as well as the moving average line
July weather in Portland day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 |  Overcast | 26° /12° | 0 mm | 7 | |
| Jul. 2 | Overcast | 25° /10° | 0 mm | 7 | |
| Jul. 3 |  Cloudy | 28° /13° | 0 mm | 8 | |
| Jul. 4 |  Sunny | 29° /13° | 0 mm | 8 | |
| Jul. 5 | Sunny | 31° /13° | 0 mm | 8 | |
| Jul. 6 | Sunny | 32° /14° | 0 mm | 9 | |
| Jul. 7 | Sunny | 32° /14° | 0 mm | 9 | |
| Jul. 8 | Sunny | 31° /15° | 0 mm | 9 | |
| Jul. 9 | Overcast | 29° /15° | 0 mm | 8 | |
| Jul. 10 | Overcast | 27° /14° | 0 mm | 7 | |
| Jul. 11 | Overcast | 29° /13° | 0 mm | 8 | |
| Jul. 12 | Overcast | 29° /13° | 0 mm | 8 | |
| Jul. 13 | Sunny | 32° /14° | 0 mm | 9 | |
| Jul. 14 | Sunny | 31° /14° | 0 mm | 8 | |
| Jul. 15 | Sunny | 33° /14° | 0 mm | 9 | |
| Jul. 16 | Sunny | 31° /16° | 1.7 mm | 8 | |
| Jul. 17 |  Patchy rain possible | 29° /14° | 0.3 mm | 8 | |
| Jul. 18 |  Partly cloudy | 30° /13° | 0 mm | 8 | |
| Jul. 19 | Partly cloudy | 30° /14° | 0 mm | 8 | |
| Jul. 20 | Sunny | 30° /14° | 0 mm | 8 | |
| Jul. 21 | Cloudy | 31° /16° | 0 mm | 7 | |
| Jul. 22 | Partly cloudy | 31° /15° | 0 mm | 8 | |
| Jul. 23 | Sunny | 30° /14° | 0.1 mm | 8 | |
| Jul. 24 |  Heavy rain at times | 28° /14° | 0.4 mm | 7 | |
| Jul. 25 | Patchy rain possible | 24° /13° | 0.3 mm | 7 | |
| Jul. 26 | Overcast | 26° /12° | 0 mm | 8 | |
| Jul. 27 | Sunny | 30° /14° | 0 mm | 8.1 | |
| Jul. 28 | Partly cloudy | 27° /15° | 0 mm | 7.9 | |
| Jul. 29 | Sunny | 29° /14° | 0 mm | 7.1 | |
| Jul. 30 | Sunny | 29° /13° | 0 mm | 7 | |
| Jul. 31 | Sunny | 32° /13° | 0 mm | 8 | |
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Important Notice
Our weather forecast for Portland in July 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 Portland forecast closer to your planned date for the most up-to-date weather information.
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Portland in July - FAQ
What are the expected maximum and minimum temperatures in Portland during July?
Enjoy moderate daytime temperatures of up to 29° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Portland during July?
Rainfall in Portland during July is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 1 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 Portland during July?
The average wind speed in Portland during July is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
July rainfall patterns in Portland
Explore the daily rainfall trends and prepare for Portlands July weather 💧
Typically, Portland has 1 rainy days in July with a total of 3.3 mm of rainfall.
UV exposure in Portland during July
Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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