Williamsport
January
Weather in Williamsport for January 2026
Your guide to Williamsport weather in January - trends and predictions
The climate of Williamsport in January is quite snowy, averaging 14 snowy days.
In general, the average temperature in Williamsport at the beginning of January is -0.3 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 2.1 °F by the end of January.
New! Chat with our AI weatherman - it’s amazing and free.
Snow Forecast ❄️
Temperatures
More
11
Dry days
6
Rainy days
14
Snow days
1°/-4°
Temperatures
17 km/h
Avg max wind
80 %
Avg humidity
Williamsport Weather January
Move between months or click on a day
| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  5° | 2  1° | 3  0° | ||||
| 4 -3° | 5 -2° | 6  -1° | 7 -2° | 8 1° | 9  3° | 10  6° |
| 11  2° | 12 3° | 13  5° | 14 -2° | 15 -3° | 16 -4° | 17 -2° |
| 18 -1° | 19 0° | 20 -6° | 21 -5° | 22 -4° | 23  -0° | 24  -1° |
| 25 -1° | 26 2° | 27 4° | 28 2° | 29 3° | 30  2° | 31 3° |
You can click on date
Access Williamsport weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during January in Williamsport
See the weather trend as well as the moving average line
January weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 | Fog | 5° /1° | 4.4 mm | 0 cm | |
| Jan. 2 | Overcast | 1° /-1° | 0 mm | 0 cm | |
| Jan. 3 | Cloudy | 0° /-2° | 0 mm | 0 cm | |
| Jan. 4 | Cloudy | -3° /-5° | 0 mm | 0 cm | |
| Jan. 5 | Overcast | -2° /-6° | 0 mm | 0 cm | |
| Jan. 6 | Light snow | -1° /-5° | 0.4 mm | 0.3 cm | |
| Jan. 7 | Cloudy | -2° /-7° | 0 mm | 0 cm | |
| Jan. 8 | Mist | 1° /-7° | 0.1 mm | 0.1 cm | |
| Jan. 9 | Heavy snow | 3° /-8° | 22.1 mm | 2.6 cm | |
| Jan. 10 | Moderate or heavy snow showers | 6° /-4° | 1.5 mm | 0.3 cm | |
| Jan. 11 | Moderate snow | 2° /-3° | 3.7 mm | 2.6 cm | |
| Jan. 12 | Mist | 3° /-3° | 4.5 mm | 2 cm | |
| Jan. 13 | Light snow showers | 5° /-3° | 7.1 mm | 0.1 cm | |
| Jan. 14 | Light snow showers | -2° /-8° | 0.1 mm | 0.1 cm | |
| Jan. 15 | Overcast | -3° /-8° | 0 mm | 0 cm | |
| Jan. 16 | Moderate or heavy snow showers | -4° /-9° | 1.4 mm | 1 cm | |
| Jan. 17 | Cloudy | -2° /-8° | 0 mm | 0 cm | |
| Jan. 18 | Heavy snow | -1° /-5° | 2.6 mm | 1.1 cm | |
| Jan. 19 | Moderate or heavy snow showers | 0° /-7° | 2.5 mm | 1.8 cm | |
| Jan. 20 | Light snow | -6° /-12° | 0 mm | 0 cm | |
| Jan. 21 | Cloudy | -5° /-12° | 0 mm | 0 cm | |
| Jan. 22 | Mist | -4° /-13° | 0 mm | 0 cm | |
| Jan. 23 | Light freezing rain | 0° /-6° | 1.9 mm | 0 cm | |
| Jan. 24 | Light rain | -1° /-4° | 4.2 mm | 0 cm | |
| Jan. 25 | Light freezing rain | -1° /-5° | 4.3 mm | 0 cm | |
| Jan. 26 | Fog | 2° /-2° | 0.8 mm | 0 cm | |
| Jan. 27 | Fog | 4° /-2° | 0.4 mm | 0 cm | |
| Jan. 28 | Heavy snow | 2° /-2° | 17.6 mm | 0.3 cm | |
| Jan. 29 | Light snow showers | 3° /-3° | 0 mm | 0 cm | |
| Jan. 30 | Patchy rain possible | 2° /-4° | 0 mm | 0 cm | |
| Jan. 31 | Moderate snow | 3° /0° | 6.1 mm | 0.2 cm | |
| Next | |||||
Important Notice
Our weather forecast for Williamsport 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 Williamsport forecast closer to your planned date for the most up-to-date weather information.
Williamsport in January - FAQ
What are the expected maximum and minimum temperatures in Williamsport 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 Williamsport during January?
Significant rainfall exceeding 144.1 mm is expected in Williamsport during January, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Williamsport in January 2026?
Williamsport experiences an average snowfall of 18.2 cm during January, occurring over 14 days.
What are the typical wind conditions in Williamsport during January?
The average wind speed in Williamsport during January is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
Williamsport snow forecast January 2026
Track daily snowfall levels and discover Williamsport’s snowy potential this January ❄️
January rainfall patterns in Williamsport
Explore the daily rainfall trends and prepare for Williamsports January weather 💧
Quick links
You are here
Where is Williamsport?Get accurate weather forecasts for Williamsport, located at latitude 41.241 and longitude -77.001. Stay updated with localized weather information tailored for Williamsport.
Found a mistake?
We appreciate your attention to details. Tell us here.