Portland
January
Weather in Portland for January 2026
Your guide to Portland weather in January - trends and predictions
With an average of 3 snowy days, Portland usually enjoys a light touch of snow in January.
In general, the average temperature in Portland at the beginning of January is 7.7 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 8.7 °F by the end of January.
Portland experiences heavy rainfall in January, with over 20 rainy days and an average total precipitation 192.7 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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4
Dry days
24
Rainy days
3
Snow days
7°/2°
Temperatures
12 km/h
Avg max wind
87 %
Avg humidity
Portland Weather January
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  8° | 2  7° | 3  8° | ||||
| 4 7° | 5 8° | 6 9° | 7 7° | 8 8° | 9 9° | 10 7° |
| 11 7° | 12 6° | 13 2° | 14  4° | 15 4° | 16 2° | 17 4° |
| 18 7° | 19 4° | 20  5° | 21 6° | 22 8° | 23 8° | 24 6° |
| 25 8° | 26 8° | 27 9° | 28  10° | 29 10° | 30 8° | 31 8° |
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Temperatures trend during January in Portland
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 | Overcast | 8° /2° | 9.2 mm | 0 cm | |
| Jan. 2 | Patchy rain possible | 7° /2° | 12 mm | 0 cm | |
| Jan. 3 | Moderate rain at times | 8° /4° | 12.5 mm | 0 cm | |
| Jan. 4 | Moderate or heavy rain shower | 7° /3° | 4.7 mm | 0 cm | |
| Jan. 5 | Moderate rain at times | 8° /5° | 3 mm | 0 cm | |
| Jan. 6 | Moderate rain at times | 9° /4° | 7.3 mm | 0 cm | |
| Jan. 7 | Moderate rain at times | 7° /3° | 3.2 mm | 0 cm | |
| Jan. 8 | Moderate or heavy rain shower | 8° /3° | 9.7 mm | 0 cm | |
| Jan. 9 | Moderate or heavy rain shower | 9° /3° | 10.2 mm | 0 cm | |
| Jan. 10 | Overcast | 7° /2° | 12.7 mm | 0 cm | |
| Jan. 11 | Moderate or heavy rain shower | 7° /3° | 5.7 mm | 0 cm | |
| Jan. 12 | Moderate or heavy rain shower | 6° /0° | 12.1 mm | 1.8 cm | |
| Jan. 13 | Moderate rain at times | 2° /-3° | 10.2 mm | 6.1 cm | |
| Jan. 14 | Heavy rain at times | 4° /-2° | 2.2 mm | 0.1 cm | |
| Jan. 15 | Heavy rain at times | 4° /-3° | 6.7 mm | 0 cm | |
| Jan. 16 | Moderate rain at times | 2° /-3° | 2.2 mm | 0 cm | |
| Jan. 17 | Patchy rain possible | 4° /-1° | 3.7 mm | 0 cm | |
| Jan. 18 | Moderate or heavy rain shower | 7° /0° | 14.3 mm | 0 cm | |
| Jan. 19 | Patchy rain possible | 4° /-1° | 0.9 mm | 0 cm | |
| Jan. 20 | Partly cloudy | 5° /-1° | 0 mm | 0 cm | |
| Jan. 21 | Moderate rain at times | 6° /0° | 7 mm | 0 cm | |
| Jan. 22 | Patchy rain possible | 8° /1° | 3.1 mm | 0 cm | |
| Jan. 23 | Overcast | 8° /2° | 2.7 mm | 0 cm | |
| Jan. 24 | Overcast | 6° /2° | 3.4 mm | 0 cm | |
| Jan. 25 | Overcast | 8° /2° | 1.3 mm | 0 cm | |
| Jan. 26 | Overcast | 8° /2° | 3.3 mm | 0 cm | |
| Jan. 27 | Patchy rain possible | 9° /3° | 4.1 mm | 0 cm | |
| Jan. 28 | Sunny | 10° /4° | 4.3 mm | 0 cm | |
| Jan. 29 | Sunny | 10° /2° | 0 mm | 0 cm | |
| Jan. 30 | Partly cloudy | 8° /2° | 0.3 mm | 0 cm | |
| Jan. 31 | Overcast | 8° /4° | 4.9 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.
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 192.7 mm is expected in Portland during January, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Portland in January 2026?
Portland experiences an average snowfall of 11.975 cm during January, occurring over 3 days.
What are the typical wind conditions in Portland during January?
The average wind speed in Portland during January is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
Portland snow forecast January 2026
Track daily snowfall levels and discover Portland’s snowy potential this January ❄️
January rainfall patterns in Portland
Explore the daily rainfall trends and prepare for Portlands January weather 💧
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