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 -0.3 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of -1 °F by the end of January.
With an average of 4 rainy days, Portland experiences minimal rainfall in January.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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24
Dry days
4
Rainy days
3
Snow days
-1°/-6°
Temperatures
20 km/h
Avg max wind
61 %
Avg humidity
Portland Weather January
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  5° | 2  3° | 3  0° | ||||
| 4  -2° | 5  -3° | 6 -2° | 7 -3° | 8  -2° | 9 -4° | 10 1° |
| 11  -2° | 12 3° | 13 0° | 14 0° | 15 -1° | 16 -2° | 17 0° |
| 18 4° | 19 5° | 20  -3° | 21 -4° | 22 -5° | 23 -2° | 24 -1° |
| 25 -3° | 26 3° | 27 0° | 28 -1° | 29 -5° | 30 -4° | 31 3° |
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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 | Moderate or heavy rain shower | 5° /2° | 78.1 mm | 0 cm | |
| Jan. 2 | Overcast | 3° /0° | 0 mm | 0 cm | |
| Jan. 3 | Partly cloudy | 0° /-1° | 0 mm | 0 cm | |
| Jan. 4 | Cloudy | -2° /-5° | 0 mm | 0 cm | |
| Jan. 5 | Sunny | -3° /-8° | 0 mm | 0 cm | |
| Jan. 6 | Cloudy | -2° /-10° | 0 mm | 0 cm | |
| Jan. 7 | Overcast | -3° /-6° | 0 mm | 0 cm | |
| Jan. 8 | Light freezing rain | -2° /-5° | 0 mm | 0 cm | |
| Jan. 9 | Overcast | -4° /-10° | 0 mm | 0 cm | |
| Jan. 10 | Sunny | 1° /-7° | 0 mm | 0 cm | |
| Jan. 11 | Moderate snow | -2° /-5° | 13.7 mm | 9.9 cm | |
| Jan. 12 | Sunny | 3° /-4° | 0 mm | 0 cm | |
| Jan. 13 | Cloudy | 0° /-3° | 0 mm | 0 cm | |
| Jan. 14 | Cloudy | 0° /-2° | 0 mm | 0 cm | |
| Jan. 15 | Partly cloudy | -1° /-6° | 0 mm | 0 cm | |
| Jan. 16 | Sunny | -2° /-9° | 0 mm | 0 cm | |
| Jan. 17 | Overcast | 0° /-4° | 0 mm | 0 cm | |
| Jan. 18 | Moderate rain at times | 4° /-1° | 11.3 mm | 0 cm | |
| Jan. 19 | Overcast | 5° /-3° | 12.3 mm | 0 cm | |
| Jan. 20 | Blowing snow | -3° /-9° | 22.1 mm | 0 cm | |
| Jan. 21 | Sunny | -4° /-11° | 0 mm | 0 cm | |
| Jan. 22 | Sunny | -5° /-12° | 0 mm | 0 cm | |
| Jan. 23 | Overcast | -2° /-8° | 0 mm | 0 cm | |
| Jan. 24 | Sunny | -1° /-7° | 0 mm | 0 cm | |
| Jan. 25 | Partly cloudy | -3° /-11° | 0 mm | 0 cm | |
| Jan. 26 | Partly cloudy | 3° /-5° | 0 mm | 0 cm | |
| Jan. 27 | Overcast | 0° /-5° | 0 mm | 0 cm | |
| Jan. 28 | Overcast | -1° /-10° | 0 mm | 0 cm | |
| Jan. 29 | Moderate snow | -5° /-8° | 3.9 mm | 2.8 cm | |
| Jan. 30 | Sunny | -4° /-11° | 0 mm | 0 cm | |
| Jan. 31 | Overcast | 3° /-6° | 2.8 mm | 2 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?
Brace for cold days with temperatures not exceeding -1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Portland during January?
Significant rainfall exceeding 144.2 mm is expected in Portland during January, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Portland in January 2026?
Portland experiences an average snowfall of 14.75 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 20 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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