Arlington County (Arlington)
January
Weather in Arlington County for January 2026
Your guide to Arlington County weather in January - trends and predictions
With an average of 5 snowy days, Arlington County usually enjoys a light touch of snow in January.
In general, the average temperature in Arlington County at the beginning of January is 4.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 8.4 °F by the end of January.
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Snow Forecast ❄️
Temperatures
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17
Dry days
9
Rainy days
5
Snow days
7°/0°
Temperatures
18 km/h
Avg max wind
74 %
Avg humidity
Arlington County Weather January
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  9° | 2  6° | 3 6° | ||||
| 4  3° | 5 3° | 6  1° | 7 3° | 8  2° | 9  8° | 10 8° |
| 11 8° | 12 8° | 13  11° | 14 2° | 15  1° | 16  -1° | 17 1° |
| 18 3° | 19  3° | 20 -2° | 21 -3° | 22  -2° | 23 2° | 24 4° |
| 25  9° | 26 11° | 27 9° | 28 6° | 29 8° | 30 7° | 31 9° |
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Temperatures trend during January in Arlington County
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 | Overcast | 9° /3° | 1 mm | 0 cm | |
| Jan. 2 | Cloudy | 6° /-1° | 0 mm | 0 cm | |
| Jan. 3 | Overcast | 6° /0° | 0 mm | 0 cm | |
| Jan. 4 | Patchy rain possible | 3° /-2° | 0 mm | 0 cm | |
| Jan. 5 | Overcast | 3° /-4° | 0 mm | 0 cm | |
| Jan. 6 | Light freezing rain | 1° /-2° | 37.1 mm | 17.9 cm | |
| Jan. 7 | Patchy rain possible | 3° /-3° | 0.6 mm | 0.4 cm | |
| Jan. 8 | Sunny | 2° /-3° | 0 mm | 0 cm | |
| Jan. 9 | Moderate rain | 8° /-3° | 21.1 mm | 0 cm | |
| Jan. 10 | Patchy rain possible | 8° /-2° | 0.1 mm | 0 cm | |
| Jan. 11 | Sunny | 8° /-2° | 4 mm | 2.9 cm | |
| Jan. 12 | Patchy rain possible | 8° /-1° | 2.1 mm | 0 cm | |
| Jan. 13 | Partly cloudy | 11° /0° | 7.7 mm | 0 cm | |
| Jan. 14 | Sunny | 2° /-3° | 0 mm | 0 cm | |
| Jan. 15 | Patchy light snow | 1° /-5° | 0.6 mm | 0.5 cm | |
| Jan. 16 | Moderate or heavy snow showers | -1° /-7° | 2.4 mm | 2.1 cm | |
| Jan. 17 | Sunny | 1° /-6° | 0 mm | 0 cm | |
| Jan. 18 | Light freezing rain | 3° /-4° | 0.6 mm | 0.1 cm | |
| Jan. 19 | Light snow showers | 3° /-2° | 0.8 mm | 0.7 cm | |
| Jan. 20 | Light snow showers | -2° /-8° | 0.1 mm | 0.1 cm | |
| Jan. 21 | Partly cloudy | -3° /-9° | 0 mm | 0 cm | |
| Jan. 22 | Mist | -2° /-10° | 0 mm | 0 cm | |
| Jan. 23 | Mist | 2° /-7° | 0 mm | 0 cm | |
| Jan. 24 | Fog | 4° /-2° | 0.5 mm | 0 cm | |
| Jan. 25 | Light rain | 9° /1° | 2.6 mm | 0 cm | |
| Jan. 26 | Light rain shower | 11° /6° | 2.1 mm | 0 cm | |
| Jan. 27 | Light drizzle | 9° /3° | 4.3 mm | 0 cm | |
| Jan. 28 | Moderate rain | 6° /2° | 14.4 mm | 0 cm | |
| Jan. 29 | Overcast | 8° /2° | 0.1 mm | 0 cm | |
| Jan. 30 | Overcast | 7° /0° | 0 mm | 0 cm | |
| Jan. 31 | Patchy rain possible | 9° /3° | 24 mm | 0 cm | |
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Important Notice
Our weather forecast for Arlington County 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 Arlington County forecast closer to your planned date for the most up-to-date weather information.
Arlington County in January - FAQ
What are the expected maximum and minimum temperatures in Arlington County during January?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 0°.
How much rainfall should be expected in Arlington County during January?
Significant rainfall exceeding 143.8 mm is expected in Arlington County during January, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Arlington County in January 2026?
Arlington County experiences an average snowfall of 6.73 cm during January, occurring over 5 days.
What are the typical wind conditions in Arlington County during January?
The average wind speed in Arlington County during January is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
Arlington County snow forecast January 2026
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January rainfall patterns in Arlington County
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Where is Arlington County?Get accurate weather forecasts for Arlington County, located at latitude 38.881 and longitude -77.104. Stay updated with localized weather information tailored for Arlington County.
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