Hourly Weather Forecast for Herndon, 20170, Virginia, United States - The Weather Channel | Weather.com
Hourly weather
Location Herndon, 20170, Virginia, United States · as of 9:13 pm GMT-4
The wind speed over the next few hours will be similar to the same time yesterday
Friday 14 August
| Time | Temperature | Condition | Rain Drop | Humidity | Wind | Precipitation |
|---|---|---|---|---|---|---|
| 21:15 | 77° | Mostly Cloudy Night | 3% | 81% | 4mph NNW | 0in |
| 21:30 | 76° | Mostly Cloudy Night | 3% | 82% | 4mph NNW | 0in |
| 21:45 | 76° | Mostly Cloudy Night | 7% | 83% | 4mph NNW | 0in |
| 22:00 | 76° | Partly Cloudy Night | 5% | 84% | 4mph NNW | 0in |
| 22:15 | 76° | Partly Cloudy Night | 3% | 85% | 4mph NNW | 0in |
| 23:00 | 75° | Partly Cloudy Night | 3% | 88% | 4mph NNW | 0in |
Saturday 15 August
| Time | Temperature | Condition | Rain Drop | Humidity | Wind | Precipitation |
|---|---|---|---|---|---|---|
| 0:00 | 74° | Partly Cloudy Night | 4% | 90% | 3mph NNW | 0in |
| 1:00 | 72° | Partly Cloudy Night | 4% | 97% | 3mph NNW | 0in |
| 2:00 | 72° | Partly Cloudy Night | 3% | 97% | 3mph NNW | 0in |
| 3:00 | 71° | Partly Cloudy Night | 3% | 98% | 3mph NNW | 0in |
| 4:00 | 70° | Partly Cloudy Night | 5% | 99% | 4mph NNW | 0in |
| 5:00 | 70° | Partly Cloudy Night | 8% | 95% | 4mph NNW | 0in |
| 6:00 | 70° | Partly Cloudy Night | 7% | 93% | 4mph NNW | 0in |
| 7:00 | 70° | Partly Cloudy Day | 7% | 94% | 4mph NNW | 0in |
| 8:00 | 73° | Partly Cloudy Day | 6% | 86% | 4mph NNW | 0in |
| 9:00 | 75° | Partly Cloudy Day | 4% | 78% | 5mph NNW | 0in |
| 10:00 | 78° | Mostly Clear Day | 2% | 70% | 4mph NNW | 0in |
| 11:00 | 81° | Mostly Clear Day | 1% | 63% | 4mph NNW | 0in |
| 12:00 | 83° | Partly Cloudy Day | 1% | 58% | 4mph NNW | 0in |
| 13:00 | 84° | Partly Cloudy Day | 4% | 56% | 4mph NNW | 0in |
| 14:00 | 85° | Partly Cloudy Day | 3% | 55% | 4mph NNW | 0in |
| 15:00 | 86° | Partly Cloudy Day | 0% | 54% | 4mph NNW | 0in |
| 16:00 | 86° | Mostly Cloudy Day | 0% | 53% | 4mph NNW | 0in |
| 17:00 | 85° | Partly Cloudy Day | 0% | 55% | 5mph NNW | 0in |
| 18:00 | 84° | Mostly Cloudy Day | 0% | 56% | 5mph NNW | 0in |
| 19:00 | 83° | Mostly Cloudy Day | 1% | 59% | 6mph NNW | 0in |
| 20:00 | 80° | Mostly Cloudy Day | 2% | 64% | 4mph NNW | 0in |
| 21:00 | 79° | Mostly Cloudy Night | 2% | 67% | 3mph NNW | 0in |
| 22:00 | 77° | Mostly Cloudy Night | 2% | 73% | 4mph NNW | 0in |
| 23:00 | 76° | Mostly Cloudy Night | 6% | 77% | 5mph NNW | 0in |
Sunday 16 August
| Time | Temperature | Condition | Rain Drop | Humidity | Wind | Precipitation |
|---|---|---|---|---|---|---|
| 0:00 | 76° | Cloudy | 9% | 80% | 4mph NNW | 0in |
| 1:00 | 75° | Cloudy | 9% | 83% | 4mph NNW | 0in |
| 2:00 | 75° | Mostly Cloudy Night | 12% | 84% | 5mph NNW | 0in |
| 3:00 | 75° | Mostly Cloudy Night | 9% | 88% | 5mph NNW | 0in |
| 4:00 | 75° | Mostly Cloudy Night | 12% | 88% | 5mph NNW | 0in |
| 5:00 | 74° | Cloudy | 11% | 89% | 6mph NNW | 0in |
| 6:00 | 74° | Cloudy | 22% | 90% | 6mph NNW | 0in |
| 7:00 | 74° | Showers | 31% | 92% | 7mph NNW | 0.01in |
| 8:00 | 75° | Rain | 62% | 91% | 8mph NNW | 0.04in |
| 9:00 | 75° | Showers | 60% | 89% | 9mph NNW | 0.02in |
| 10:00 | 76° | Thunderstorms | 76% | 88% | 9mph NNW | 0.04in |
| 11:00 | 76° | Thunderstorms | 66% | 89% | 10mph NNW | 0.04in |
| 12:00 | 77° | Thunderstorms | 62% | 89% | 10mph NNW | 0.05in |
| 13:00 | 77° | Thunderstorms | 89% | 93% | 11mph NNW | 0.12in |
| 14:00 | 77° | Scattered Thunderstorms | 57% | 94% | 10mph NNW | 0.04in |
| 15:00 | 79° | Scattered Thunderstorms | 58% | 86% | 10mph NNW | 0.03in |
| 16:00 | 80° | Thunderstorms | 80% | 84% | 8mph NNW | 0.04in |
| 17:00 | 80° | Thunderstorms | 79% | 87% | 9mph NNW | 0.13in |
| 18:00 | 81° | Scattered Thunderstorms | 53% | 84% | 9mph NNW | 0.04in |
| 19:00 | 80° | Scattered Thunderstorms | 38% | 85% | 9mph NNW | 0.01in |
| 20:00 | 79° | Mostly Cloudy Day | 24% | 90% | 7mph NNW | 0in |
| 21:00 | 78° | Scattered Thunderstorms Night | 33% | 90% | 6mph NNW | 0.01in |
Air Quality Index
3 — Low
Enjoy your usual outdoor activities.
See details
Health & Activities
Grass pollen is moderate in your area.