10-day weather forecast for Herndon, 20170, Virginia, United States - The Weather Channel | weather.com
Daily Forecast
Location
Herndon, 20170, Virginia, United States
·
As of 9:08 pm GMT-4
Day Conditions
| Day | Conditions | Rain Chance | Temperature Low | Temperature High | Wind |
|---|---|---|---|---|---|
| Tonight | Showers Early | 39% | 69° | 85° | 5mph |
| Sat 15 | Partly Cloudy | 7% | 73° | 87° | 5mph |
| Sun 16 | Thunderstorms | 89% | 74° | 81° | 11mph |
| Mon 17 | Partly Cloudy | 15% | 68° | 90° | 11mph |
| Tue 18 | Mostly Sunny | 5% | 65° | 85° | 7mph |
| Wed 19 | Mostly Sunny | 7% | 72° | 88° | 8mph |
| Thu 20 | PM T-Storms | 50% | 65° | 87° | 8mph |
| Fri 21 | Partly Cloudy | 17% | 66° | 81° | 7mph |
| Sat 22 | Showers | 50% | 65° | 77° | 8mph |
| Sun 23 | AM Showers | 46% | 66° | 78° | 7mph |
| Mon 24 | Partly Cloudy | 24% | 67° | 85° | 6mph |
| Tue 25 | Partly Cloudy | 12% | 69° | 88° | 7mph |
| Wed 26 | Partly Cloudy | 20% | 70° | 88° | 7mph |
| Thu 27 | Partly Cloudy | 24% | 67° | 86° | 7mph |
| Fri 28 | Partly Cloudy | 24% | 66° | 84° | 7mph |
Air Quality Index
63
Moderate
Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
Health & Activities
Grass
Seasonal Allergies and Pollen Count Forecast
Grass pollen is moderate in your area.
[Flu] Cold & Flu Forecast
Flu risk is very low in your area.