Portland (OR)
January
Weather in Portland, Oregon for January 2027
Your guide to Portland weather in January - trends and predictions
Snowfall in Portland during January is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Portland at the beginning of January is 7.5 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 9 °C by the end of January.
The climate of Portland in January is notably wet, with an average of 14 rainy days, and a total of 171.6 mm of precipitation.
Is January a good time to visit Portland? check out the best time to travel to Portland page.
✨ Is January a good time to visit Portland? – Ask the AI Weatherman
Snow Forecast ❄️
Temperatures
Rain 🌧️
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16
Dry days
14
Rainy days
1
Snow days
7°/2°
Temperatures
11 km/h
Avg max wind
85 %
Avg humidity
Portland Weather January
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Temperatures trend during January in Portland
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January weather in Portland day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 |  Light rain | 7° /2° | 6.9 mm | 0 cm | |
| Jan. 2 |  Moderate rain | 8° /3° | 14.1 mm | 0 cm | |
| Jan. 3 | Moderate rain | 9° /5° | 16.9 mm | 0 cm | |
| Jan. 4 | Light rain | 7° /4° | 4.6 mm | 0 cm | |
| Jan. 5 | Light rain | 7° /5° | 3.9 mm | 0 cm | |
| Jan. 6 | Moderate rain | 8° /4° | 10.4 mm | 0 cm | |
| Jan. 7 | Moderate rain | 7° /3° | 13.2 mm | 0 cm | |
| Jan. 8 |  Moderate or heavy rain shower | 7° /3° | 8.1 mm | 0 cm | |
| Jan. 9 | Light rain | 9° /3° | 7.7 mm | 0 cm | |
| Jan. 10 | Light rain | 7° /2° | 9.5 mm | 0 cm | |
| Jan. 11 | Light rain | 7° /3° | 4.3 mm | 0 cm | |
| Jan. 12 | Moderate or heavy rain shower | 7° /2° | 9 mm | 1.4 cm | |
| Jan. 13 | Moderate rain at times | 3° /-1° | 7.6 mm | 4.5 cm | |
| Jan. 14 |  Patchy rain possible | 3° /-1° | 1.7 mm | 0.1 cm | |
| Jan. 15 | Light rain | 5° /-2° | 5 mm | 0 cm | |
| Jan. 16 | Patchy rain possible | 3° /-2° | 1.7 mm | 0 cm | |
| Jan. 17 | Light rain | 5° /0° | 2.8 mm | 0 cm | |
| Jan. 18 | Moderate rain | 7° /0° | 10.8 mm | 0 cm | |
| Jan. 19 | Patchy rain possible | 5° /0° | 0.7 mm | 0 cm | |
| Jan. 20 |  Sunny | 6° /-1° | 0 mm | 0 cm | |
| Jan. 21 | Moderate rain at times | 6° /0° | 5.2 mm | 0 cm | |
| Jan. 22 | Patchy rain possible | 8° /1° | 2.4 mm | 0 cm | |
| Jan. 23 | Patchy rain possible | 8° /1° | 2 mm | 0 cm | |
| Jan. 24 | Light rain | 6° /1° | 2.6 mm | 0 cm | |
| Jan. 25 | Patchy rain possible | 8° /1° | 1 mm | 0 cm | |
| Jan. 26 | Light rain | 8° /2° | 2.5 mm | 0 cm | |
| Jan. 27 | Light rain | 9° /4° | 4.7 mm | 0 cm | |
| Jan. 28 | Light rain | 11° /5° | 4.3 mm | 0 cm | |
| Jan. 29 | Light rain | 10° /4° | 4.1 mm | 0 cm | |
| Jan. 30 |  Partly cloudy | 8° /4° | 0.2 mm | 0 cm | |
| Jan. 31 | Light rain | 9° /6° | 3.7 mm | 0 cm | |
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Important Notice
Our weather forecast for Portland in January 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 January - FAQ
What are the expected maximum and minimum temperatures in Portland during January?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 2°.
How much rainfall should be expected in Portland during January?
Significant rainfall exceeding 171.6 mm is expected in Portland during January, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Portland in January 2027?
Portland typically sees 6 cm of snowfall during January.
What are the typical wind conditions in Portland during January?
The average wind speed in Portland during January is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
Portland snow forecast January 2027
Track daily snowfall levels and discover Portland’s snowy potential this January ❄️
On average, Portland sees 1 snowy days during January, with approximately 6 cm of total snowfall.
January rainfall patterns in Portland
Explore the daily rainfall trends and prepare for Portlands January weather 💧
Typically, Portland has 14 rainy days in January with a total of 171.6 mm of rainfall.
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