Portland
October
Weather in Portland for October 2025
Your guide to Portland weather in October - trends and predictions
In general, the average temperature in Portland at the beginning of October is 15.1 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 12.1 °F by the end of October.
With an average of 5 rainy days, Portland experiences minimal rainfall in October.
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Temperatures
Rain 🌧️
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26
Dry days
5
Rainy days
0
Snow days
14°/8°
Temperatures
17 km/h
Avg max wind
73 %
Avg humidity
Portland Weather October
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  14° | 2 13° | 3 16° | 4 15° | |||
| 5 21° | 6  13° | 7  14° | 8  16° | 9  14° | 10 13° | 11 15° |
| 12  16° | 13 11° | 14 12° | 15 10° | 16 12° | 17 14° | 18 16° |
| 19 16° | 20 17° | 21 25° | 22 18° | 23 14° | 24 14° | 25 12° |
| 26  11° | 27 8° | 28 8° | 29 9° | 30 15° | 31 22° |
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Temperatures trend during October in Portland
See the weather trend as well as the moving average line
October weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 | Mist | 14° /10° | 0 mm | 3 | |
| Oct. 2 | Fog | 13° /9° | 0 mm | 3 | |
| Oct. 3 | Mist | 16° /12° | 0 mm | 4 | |
| Oct. 4 | Fog | 15° /13° | 0 mm | 4 | |
| Oct. 5 | Fog | 21° /13° | 0 mm | 5 | |
| Oct. 6 | Partly cloudy | 13° /8° | 0 mm | 4 | |
| Oct. 7 | Moderate or heavy rain shower | 14° /11° | 91.2 mm | 3 | |
| Oct. 8 | Overcast | 16° /10° | 0 mm | 4 | |
| Oct. 9 | Cloudy | 14° /9° | 0 mm | 3 | |
| Oct. 10 | Overcast | 13° /7° | 0 mm | 3 | |
| Oct. 11 | Partly cloudy | 15° /6° | 0 mm | 5 | |
| Oct. 12 | Sunny | 16° /7° | 0 mm | 5 | |
| Oct. 13 | Overcast | 11° /4° | 7.2 mm | 3 | |
| Oct. 14 | Overcast | 12° /5° | 2.9 mm | 3 | |
| Oct. 15 | Partly cloudy | 10° /3° | 0 mm | 3 | |
| Oct. 16 | Partly cloudy | 12° /3° | 0 mm | 4 | |
| Oct. 17 | Sunny | 14° /2° | 0 mm | 4 | |
| Oct. 18 | Sunny | 16° /5° | 0 mm | 5 | |
| Oct. 19 | Sunny | 16° /5° | 0 mm | 5 | |
| Oct. 20 | Sunny | 17° /7° | 0 mm | 5 | |
| Oct. 21 | Sunny | 25° /13° | 0 mm | 6 | |
| Oct. 22 | Sunny | 18° /11° | 0 mm | 5 | |
| Oct. 23 | Fog | 14° /11° | 0 mm | 3 | |
| Oct. 24 | Mist | 14° /10° | 0 mm | 3 | |
| Oct. 25 | Overcast | 12° /5° | 0 mm | 3 | |
| Oct. 26 | Light drizzle | 11° /6° | 1.7 mm | 3 | |
| Oct. 27 | Partly cloudy | 8° /2° | 0 mm | 3 | |
| Oct. 28 | Overcast | 8° /1° | 0 mm | 2 | |
| Oct. 29 | Overcast | 9° /3° | 0 mm | 2 | |
| Oct. 30 | Light rain | 15° /9° | 16.5 mm | 4 | |
| Oct. 31 | Cloudy | 22° /15° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Portland in October 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 October - FAQ
What are the expected maximum and minimum temperatures in Portland during October?
During October, expect a variety of temperatures with highs around 14° and lows near 8°, suitable for diverse activities and preferences.
How much rainfall should be expected in Portland during October?
Significant rainfall exceeding 119.5 mm is expected in Portland during October, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Portland during October?
The average wind speed in Portland during October is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Portland
Explore the daily rainfall trends and prepare for Portlands October weather 💧
UV exposure in Portland during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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