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United States weather

Weather in Boston, Massachusetts for January 2026

Your guide to Boston weather in January - trends and predictions

    Snow Forecast ❄️

  • Boston typically experiences moderate snowfall in January, with an average of 9 snowy days.
    According to Boston snow forecast for January 2026, 4 snowy days are expected in the next 2 weeks. The closest date with snow is Thursday, January 15.

    • Temperatures

  • Until now, January 2026 in Boston is cooler than usual, with temperatures averaging 1.7 °F, this is -2.4 °F below the typical seasonal average.

  • The forecast for the next days in Boston predicts temperatures to be around 3 °F, close to the historical average.

  • In general, the average temperature in Boston at the beginning of January is 4.1 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 1.4 °F by the end of January.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
5
Dry days
Average rainy days
17
Rainy days
Average snowy days
9
Snow days
Average temperatures
3°/-3°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
68 %
Avg humidity

Boston Weather January

Move between months or click on a day
December
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
7°
2
Cloudy
6°
3
Sunny
5°
4
Patchy rain possible
4°
5
Patchy rain possible
2°
6
Light snow
2°
7
Moderate or heavy snow showers
3°
8
Sunny
3°
9
Cloudy
3°
10
Sunny
6°
11
Overcast
2°
12
Sunny
4°
13
Sunny
7°
14
Overcast
8°
15
Patchy rain possible
5°
16
Blizzard
0°
17
Cloudy
2°
18
Heavy snow
3°
19
Sunny
3°
20
Sunny
3°
21
Partly cloudy
7°
22
Patchy rain possible
3°
23
Partly cloudy
2°
24
Fog
1°
25
Sunny
0°
26
Patchy moderate snow
4°
27
Sunny
2°
28
Light freezing rain
3°
29
Moderate or heavy snow showers
0°
30
Partly cloudy
0°
31
Overcast
1°

Temperatures trend during January in Boston

See the weather trend as well as the moving average line

January weather in Boston day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Overcast
Overcast
 7° /1° 6.5 mm 0 cm
Jan. 2 Cloudy
Cloudy
 6° /-1° 2.6 mm 0 cm
Jan. 3 Sunny
Sunny
 5° /-2° 2.7 mm 0 cm
Jan. 4 Patchy rain possible
Patchy rain possible
 4° /-2° 1.5 mm 0 cm
Jan. 5 Patchy rain possible
Patchy rain possible
 2° /-3° 1.7 mm 0 cm
Jan. 6 Light snow
Light snow
 2° /-2° 2.5 mm 0.9 cm
Jan. 7 Moderate or heavy snow showers
Moderate or heavy snow showers
 3° /-2° 8.4 mm 1.9 cm
Jan. 8 Sunny
Sunny
 3° /-4° 0 mm 0 cm
Jan. 9 Cloudy
Cloudy
 3° /-4° 2.3 mm 0 cm
Jan. 10 Sunny
Sunny
 6° /-1° 8.5 mm 0 cm
Jan. 11 Overcast
Overcast
 2° /-3° 4.5 mm 1.6 cm
Jan. 12 Sunny
Sunny
 4° /-2° 0 mm 0 cm
Jan. 13 Sunny
Sunny
 7° /-1° 0 mm 0 cm
Jan. 14 Overcast
Overcast
 8° /1° 0 mm 0 cm
Jan. 15 Patchy rain possible
Patchy rain possible
 5° /-1° 2.3 mm 0.4 cm
Jan. 16 Blizzard
Blizzard
 0° /-6° 2.7 mm 0.9 cm
Jan. 17 Cloudy
Cloudy
 2° /-5° 0 mm 0 cm
Jan. 18 Heavy snow
Heavy snow
 3° /-1° 0.6 mm 0.4 cm
Jan. 19 Sunny
Sunny
 3° /-3° 0 mm 0 cm
Jan. 20 Sunny
Sunny
 3° /-2° 0 mm 0 cm
Jan. 21 Partly cloudy
Partly cloudy
 7° /0° 0 mm 0 cm
Jan. 22 Patchy rain possible
Patchy rain possible
 3° /1° 1 mm 0 cm
Jan. 23 Partly cloudy
Partly cloudy
 2° /0° 0 mm 0 cm
Jan. 24 Fog
Fog
 1° /-1° 3.7 mm 1.1 cm
Jan. 25 Sunny
Sunny
 0° /-5° 0 mm 0 cm
Jan. 26 Patchy moderate snow
Patchy moderate snow
 4° /-3° 7.1 mm 0.2 cm
Jan. 27 Sunny
Sunny
 2° /-4° 0.8 mm 0 cm
Jan. 28 Light freezing rain
Light freezing rain
 3° /-3° 3.9 mm 0 cm
Jan. 29 Moderate or heavy snow showers
Moderate or heavy snow showers
 0° /-6° 8.4 mm 5.7 cm
Jan. 30 Partly cloudy
Partly cloudy
 0° /-6° 0 mm 0 cm
Jan. 31 Overcast
Overcast
 1° /-8° 4.6 mm 0.1 cm
Next
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.
Change Month
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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 120.6 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 15.424 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 21 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 ❄️
On average, Boston sees 9 snowy days during January, with approximately 15.4 cm of total snowfall.

January rainfall patterns in Boston

Explore the daily rainfall trends and prepare for Bostons January weather 💧
Typically, Boston has 17 rainy days in January with a total of 120.6 mm of rainfall.

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Location coordinates Where is Boston?

Get accurate weather forecasts for Boston, located at latitude 42.358 and longitude -71.06. Stay updated with localized weather information tailored for Boston.

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