Portland
July
Weather in Portland for July 2025
Your guide to Portland weather in July - trends and predictions
In general, the average temperature in Portland at the beginning of July is 31.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 27.6 °F by the end of July.
With an average of 2 rainy days, Portland experiences minimal rainfall in July, ensuring that most days remain pleasantly dry.
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29
Dry days
2
Rainy days
0
Snow days
30°/13°
Temperatures
15 km/h
Avg max wind
54 %
Avg humidity
Portland in July average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  27° | 2  27° | 3 29° | 4 34° | 5 36° | 6 35° | |
| 7 33° | 8  33° | 9 33° | 10 28° | 11 29° | 12 30° | 13 31° |
| 14 32° | 15 33° | 16 34° | 17  29° | 18 31° | 19  33° | 20 33° |
| 21 31° | 22 29° | 23 30° | 24  26° | 25 26° | 26 29° | 27 28° |
| 28 27° | 29 27° | 30 27° | 31 29° |
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Temperatures trend during July in Portland
See the weather trend as well as the moving average line
July weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jul. 1 | Overcast | 27° /12° | 0.1 mm | 6 | |
| Jul. 2 | Sunny | 27° /10° | 0 mm | 7 | |
| Jul. 3 | Sunny | 29° /11° | 0 mm | 7 | |
| Jul. 4 | Sunny | 34° /13° | 0 mm | 9 | |
| Jul. 5 | Sunny | 36° /16° | 0 mm | 9 | |
| Jul. 6 | Sunny | 35° /15° | 0 mm | 9 | |
| Jul. 7 | Sunny | 33° /15° | 0 mm | 8 | |
| Jul. 8 | Cloudy | 33° /14° | 0 mm | 8 | |
| Jul. 9 | Overcast | 33° /15° | 0 mm | 8 | |
| Jul. 10 | Overcast | 28° /14° | 0 mm | 7 | |
| Jul. 11 | Overcast | 29° /13° | 0 mm | 7 | |
| Jul. 12 | Overcast | 30° /12° | 0 mm | 8 | |
| Jul. 13 | Sunny | 31° /12° | 0 mm | 8 | |
| Jul. 14 | Sunny | 32° /13° | 0 mm | 8 | |
| Jul. 15 | Overcast | 33° /14° | 0 mm | 8 | |
| Jul. 16 | Overcast | 34° /14° | 0 mm | 8 | |
| Jul. 17 | Patchy rain possible | 29° /14° | 0.6 mm | 7 | |
| Jul. 18 | Cloudy | 31° /13° | 0 mm | 8 | |
| Jul. 19 | Partly cloudy | 33° /14° | 0 mm | 8 | |
| Jul. 20 | Cloudy | 33° /15° | 0 mm | 8 | |
| Jul. 21 | Cloudy | 31° /15° | 0 mm | 7 | |
| Jul. 22 | Overcast | 29° /14° | 0 mm | 7 | |
| Jul. 23 | Sunny | 30° /12° | 0 mm | 8 | |
| Jul. 24 | Heavy rain at times | 26° /12° | 0.9 mm | 6 | |
| Jul. 25 | Patchy rain possible | 26° /12° | 0.6 mm | 7 | |
| Jul. 26 | Sunny | 29° /11° | 0 mm | 8 | |
| Jul. 27 | Partly cloudy | 28° /12° | 0 mm | 7 | |
| Jul. 28 | Overcast | 27° /12° | 0 mm | 6 | |
| Jul. 29 | Overcast | 27° /13° | 0 mm | 6 | |
| Jul. 30 | Cloudy | 27° /13° | 0.3 mm | 6 | |
| Jul. 31 | Partly cloudy | 29° /13° | 0 mm | 7 | |
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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.
Portland in July - FAQ
What are the expected maximum and minimum temperatures in Portland during July?
Expect warm days with temperatures around 30°, cooling to mild conditions of 13° after sunset. Perfect for those who enjoy warm weather.
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 2 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.
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