Seattle (WA)
January
Weather in Seattle, Washington for January 2026
Your guide to Seattle weather in January - trends and predictions
Flood Watch - See hour by hour.
Seattle typically experiences moderate snowfall in January, with an average of 6 snowy days.
According to Seattle snow forecast for January 2026, no snow is expected until the end of the month.So far, January 2026 in Seattle is slightly warmer than the historical average by 0.6 °F.
The forecast for the upcoming days in Seattle predicts a temperature of 11.4 °F, which is slightly above the historical average.
In general, the average temperature in Seattle at the beginning of January is 7.3 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 9.3 °F by the end of January.
New! Chat with our AI weatherman - it’s amazing and free.
Official Weather Alert ⚠️
Snow Forecast ❄️
Temperatures
More
3
Dry days
22
Rainy days
6
Snow days
7°/2°
Temperatures
11 km/h
Avg max wind
83 %
Avg humidity
Seattle Weather January
Move between months or click on a day
Temperatures trend during January in Seattle
See the weather trend as well as the moving average line
January weather in Seattle day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 |  Overcast | 7° /0° | 9.4 mm | 0 cm | |
| Jan. 2 | Overcast | 7° /1° | 13.2 mm | 0.3 cm | |
| Jan. 3 |  Patchy rain possible | 8° /3° | 11.4 mm | 1.3 cm | |
| Jan. 4 | Patchy rain possible | 7° /3° | 7.9 mm | 0.1 cm | |
| Jan. 5 | Patchy rain possible | 7° /3° | 8.2 mm | 0.5 cm | |
| Jan. 6 |  Moderate rain at times | 8° /3° | 12.7 mm | 1.3 cm | |
| Jan. 7 |  Cloudy | 7° /2° | 7.9 mm | 0 cm | |
| Jan. 8 | Overcast | 6° /1° | 4.3 mm | 0 cm | |
| Jan. 9 |  Mist | 8° /1° | 3.1 mm | 0 cm | |
| Jan. 10 | Patchy rain possible | 8° /2° | 5 mm | 0 cm | |
| Jan. 11 | Moderate or heavy rain shower | 8° /3° | 12.5 mm | 0 cm | |
| Jan. 12 | Moderate or heavy rain shower | 8° /4° | 15 mm | 0.1 cm | |
| Jan. 13 |  Heavy rain at times | 7° /2° | 3.5 mm | 0 cm | |
| Jan. 14 | Cloudy | 7° /1° | 0.4 mm | 0 cm | |
| Jan. 15 | Moderate rain at times | 7° /2° | 2.7 mm | 0 cm | |
| Jan. 16 | Overcast | 7° /1° | 0.6 mm | 0 cm | |
| Jan. 17 | Patchy rain possible | 7° /3° | 4 mm | 0 cm | |
| Jan. 18 | Cloudy | 6° /2° | 7.8 mm | 0 cm | |
| Jan. 19 |  Partly cloudy | 7° /1° | 3.2 mm | 0 cm | |
| Jan. 20 | Overcast | 7° /1° | 3.5 mm | 0 cm | |
| Jan. 21 | Overcast | 6° /1° | 3.6 mm | 0 cm | |
| Jan. 22 | Partly cloudy | 7° /1° | 2.8 mm | 0 cm | |
| Jan. 23 | Overcast | 7° /0° | 1.3 mm | 0 cm | |
| Jan. 24 | Moderate rain at times | 7° /1° | 2.8 mm | 0 cm | |
| Jan. 25 | Overcast | 7° /0° | 1.5 mm | 0 cm | |
| Jan. 26 | Patchy rain possible | 8° /0° | 1 mm | 0 cm | |
| Jan. 27 | Patchy rain possible | 7° /2° | 2.6 mm | 0 cm | |
| Jan. 28 | Patchy rain possible | 9° /5° | 4 mm | 0 cm | |
| Jan. 29 |  Heavy rain | 11° /8° | 25.2 mm | 0 cm | |
| Jan. 30 |  Moderate rain | 11° /8° | 14.6 mm | 0 cm | |
| Jan. 31 | Patchy rain possible | 12° /7° | 0.1 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for Seattle 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 Seattle forecast closer to your planned date for the most up-to-date weather information.
Change Month
Seattle in January - FAQ
What are the expected maximum and minimum temperatures in Seattle during January?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 2°.
How much rainfall should be expected in Seattle during January?
Significant rainfall exceeding 176 mm is expected in Seattle during January, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Seattle in January 2026?
Seattle experiences an average snowfall of 4.276 cm during January, occurring over 6 days.
What are the typical wind conditions in Seattle during January?
The average wind speed in Seattle during January is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
Seattle snow forecast January 2026
Track daily snowfall levels and discover Seattle’s snowy potential this January ❄️
On average, Seattle sees 6 snowy days during January, with approximately 4.3 cm of total snowfall.
January rainfall patterns in Seattle
Explore the daily rainfall trends and prepare for Seattles January weather 💧
Typically, Seattle has 22 rainy days in January with a total of 176 mm of rainfall.
Quick links
More Seattle weather pages
You are here
Where is Seattle?Get accurate weather forecasts for Seattle, located at latitude 47.606 and longitude -122.332. Stay updated with localized weather information tailored for Seattle.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.