Boston
January
Weather in Boston for January 2026
Your guide to Boston weather in January - trends and predictions
Boston typically experiences moderate snowfall in January, with an average of 9 snowy days.
In general, the average temperature in Boston at the beginning of January is 5 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 1.9 °F by the end of January.
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Snow Forecast ❄️
Temperatures
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5
Dry days
17
Rainy days
9
Snow days
3°/-2°
Temperatures
20 km/h
Avg max wind
68 %
Avg humidity
Boston Weather January
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  8° | 2  8° | 3  5° | ||||
| 4  4° | 5 4° | 6  3° | 7 3° | 8  2° | 9 3° | 10 6° |
| 11 1° | 12  5° | 13 8° | 14 3° | 15 1° | 16 2° | 17 4° |
| 18 4° | 19 4° | 20 1° | 21 -2° | 22 1° | 23 2° | 24 1° |
| 25 3° | 26  4° | 27 2° | 28  3° | 29  0° | 30 -0° | 31 1° |
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Temperatures trend during January in Boston
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 | Cloudy | 8° /2° | 7.8 mm | 0 cm | |
| Jan. 2 | Moderate rain at times | 8° /1° | 3.2 mm | 0 cm | |
| Jan. 3 | Overcast | 5° /-1° | 3.2 mm | 0 cm | |
| Jan. 4 | Patchy rain possible | 4° /-1° | 1.7 mm | 0 cm | |
| Jan. 5 | Patchy rain possible | 4° /-1° | 2 mm | 0 cm | |
| Jan. 6 | Light snow | 3° /-2° | 1.4 mm | 0 cm | |
| Jan. 7 | Overcast | 3° /-3° | 9.2 mm | 2.3 cm | |
| Jan. 8 | Sunny | 2° /-4° | 0 mm | 0 cm | |
| Jan. 9 | Cloudy | 3° /-5° | 2.8 mm | 0 cm | |
| Jan. 10 | Sunny | 6° /-2° | 9.4 mm | 0 cm | |
| Jan. 11 | Overcast | 1° /-4° | 2.8 mm | 2 cm | |
| Jan. 12 | Partly cloudy | 5° /-3° | 1 mm | 0 cm | |
| Jan. 13 | Cloudy | 8° /0° | 8.7 mm | 0 cm | |
| Jan. 14 | Patchy rain possible | 3° /-2° | 0.8 mm | 0 cm | |
| Jan. 15 | Partly cloudy | 1° /-4° | 2.3 mm | 0.1 cm | |
| Jan. 16 | Partly cloudy | 2° /-4° | 8.8 mm | 0.7 cm | |
| Jan. 17 | Overcast | 4° /-2° | 3.9 mm | 0 cm | |
| Jan. 18 | Overcast | 4° /-3° | 2.5 mm | 0 cm | |
| Jan. 19 | Partly cloudy | 4° /-3° | 3.1 mm | 0.4 cm | |
| Jan. 20 | Overcast | 1° /-5° | 9.6 mm | 3.5 cm | |
| Jan. 21 | Overcast | -2° /-7° | 0 mm | 0 cm | |
| Jan. 22 | Patchy rain possible | 1° /-6° | 1.5 mm | 0 cm | |
| Jan. 23 | Overcast | 2° /-4° | 5.5 mm | 0 cm | |
| Jan. 24 | Overcast | 1° /-4° | 1.2 mm | 0.3 cm | |
| Jan. 25 | Cloudy | 3° /-3° | 3.3 mm | 0.1 cm | |
| Jan. 26 | Patchy moderate snow | 4° /-3° | 7.1 mm | 0.2 cm | |
| Jan. 27 | Sunny | 2° /-4° | 0.8 mm | 0 cm | |
| Jan. 28 | Light freezing rain | 3° /-3° | 3.9 mm | 0 cm | |
| Jan. 29 | Moderate or heavy snow showers | 0° /-6° | 8.4 mm | 5.7 cm | |
| Jan. 30 | Partly cloudy | 0° /-6° | 0 mm | 0 cm | |
| Jan. 31 | Overcast | 1° /-8° | 4.6 mm | 0.1 cm | |
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Important Notice
Our weather forecast for Boston 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 Boston forecast closer to your planned date for the most up-to-date weather information.
Boston in January - FAQ
What are the expected maximum and minimum temperatures in Boston during January?
Brace for cold days with temperatures not exceeding 3° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Boston during January?
Significant rainfall exceeding 124.6 mm is expected in Boston during January, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Boston in January 2026?
Boston experiences an average snowfall of 13.0125 cm during January, occurring over 9 days.
What are the typical wind conditions in Boston during January?
The average wind speed in Boston during January is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
Boston snow forecast January 2026
Track daily snowfall levels and discover Boston’s snowy potential this January ❄️
January rainfall patterns in Boston
Explore the daily rainfall trends and prepare for Bostons January weather 💧
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