Herndon (VA)
January
Weather in Herndon, Virginia for January 2027
Your guide to Herndon weather in January - trends and predictions
With an average of 3 snowy days, Herndon usually enjoys a light touch of snow in January.
In general, the average temperature in Herndon at the beginning of January is 4.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of -4.4 °C by the end of January.
With an average of 3 rainy days, Herndon experiences minimal rainfall in January.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
More
25
Dry days
3
Rainy days
3
Snow days
2°/-4°
Temperatures
19 km/h
Avg max wind
63 %
Avg humidity
Herndon Weather January
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Temperatures trend during January in Herndon
See the weather trend as well as the moving average line
January weather in Herndon day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 |  Partly cloudy | 0° /-3° | 0 mm | 0 cm | |
| Jan. 2 |  Overcast | 2° /-4° | 0 mm | 0 cm | |
| Jan. 3 | Overcast | 3° /-3° | 0 mm | 0 cm | |
| Jan. 4 |  Cloudy | 5° /-1° | 0 mm | 0 cm | |
| Jan. 5 | Overcast | 3° /-3° | 0 mm | 0 cm | |
| Jan. 6 |  Mist | 4° /1° | 0 mm | 0 cm | |
| Jan. 7 |  Sunny | 12° /5° | 0 mm | 0 cm | |
| Jan. 8 | Fog | 8° /-1° | 0 mm | 0 cm | |
| Jan. 9 | Mist | 8° /2° | 0 mm | 0 cm | |
| Jan. 10 |  Moderate or heavy rain shower | 10° /5° | 69.5 mm | 0 cm | |
| Jan. 11 | Cloudy | 6° /0° | 0 mm | 0 cm | |
| Jan. 12 | Partly cloudy | 6° /-1° | 0 mm | 0 cm | |
| Jan. 13 | Partly cloudy | 8° /0° | 0 mm | 0 cm | |
| Jan. 14 | Moderate rain at times | 6° /3° | 4.6 mm | 0 cm | |
| Jan. 15 | Partly cloudy | 3° /-4° | 2.7 mm | 0 cm | |
| Jan. 16 | Cloudy | 1° /-5° | 0 mm | 0 cm | |
| Jan. 17 | Overcast | 5° /0° | 0 mm | 0 cm | |
| Jan. 18 |  Moderate snow | 3° /-2° | 3 mm | 2 cm | |
| Jan. 19 | Sunny | 6° /-7° | 0 mm | 0 cm | |
| Jan. 20 | Partly cloudy | 0° /-9° | 0 mm | 0 cm | |
| Jan. 21 | Sunny | 3° /-8° | 0 mm | 0 cm | |
| Jan. 22 | Sunny | 8° /0° | 0 mm | 0 cm | |
| Jan. 23 | Overcast | 4° /-4° | 0 mm | 0 cm | |
| Jan. 24 | Overcast | -8° /-12° | 0 mm | 0 cm | |
| Jan. 25 |  Ice pellets | -3° /-9° | 129.7 mm | 93.7 cm | |
| Jan. 26 |  Freezing fog | -2° /-8° | 9.4 mm | 6.8 cm | |
| Jan. 27 | Sunny | -2° /-12° | 0 mm | 0 cm | |
| Jan. 28 | Overcast | -6° /-12° | 0 mm | 0 cm | |
| Jan. 29 | Partly cloudy | -5° /-12° | 0 mm | 0 cm | |
| Jan. 30 | Overcast | -7° /-14° | 0 mm | 0 cm | |
| Jan. 31 | Cloudy | -6° /-13° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Herndon 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 Herndon forecast closer to your planned date for the most up-to-date weather information.
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Herndon in January - FAQ
What are the expected maximum and minimum temperatures in Herndon during January?
Brace for cold days with temperatures not exceeding 2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Herndon during January?
Significant rainfall exceeding 218.9 mm is expected in Herndon during January, occurring over more than 3 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Herndon in January 2027?
Herndon experiences an average snowfall of 102.5 cm during January, occurring over 3 days.
What are the typical wind conditions in Herndon during January?
The average wind speed in Herndon during January is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
Herndon snow forecast January 2027
Track daily snowfall levels and discover Herndon’s snowy potential this January ❄️
On average, Herndon sees 3 snowy days during January, with approximately 102.5 cm of total snowfall.
January rainfall patterns in Herndon
Explore the daily rainfall trends and prepare for Herndons January weather 💧
Typically, Herndon has 3 rainy days in January with a total of 218.9 mm of rainfall.
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