Herndon (VA)
August
Weather in Herndon, Virginia for August 2027
Your guide to Herndon weather in August - trends and predictions
In general, the average temperature in Herndon at the beginning of August is 29.3 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 28.6 °F by the end of August.
Herndon experiences moderate rainfall in August, with an average of 6 rainy days and a total precipitation of 81.9 mm.
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Temperatures
Rain 🌧️
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25
Dry days
6
Rainy days
0
Snow days
28°/19°
Temperatures
13 km/h
Avg max wind
67 %
Avg humidity
Herndon Weather August
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Temperatures trend during August in Herndon
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August weather in Herndon day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Light rain shower | 29° /18° | 16.1 mm | 7 | |
| Aug. 2 |  Cloudy | 27° /19° | 12.4 mm | 10 | |
| Aug. 3 |  Mist | 30° /19° | 3.3 mm | 10 | |
| Aug. 4 | Mist | 32° /18° | 0 mm | 11 | |
| Aug. 5 |  Overcast | 28° /21° | 9.1 mm | 5 | |
| Aug. 6 | Overcast | 30° /22° | 1.1 mm | 9 | |
| Aug. 7 | Overcast | 29° /20° | 0.9 mm | 9 | |
| Aug. 8 | Mist | 31° /20° | 5.6 mm | 11 | |
| Aug. 9 |  Partly cloudy | 32° /20° | 0 mm | 11 | |
| Aug. 10 |  Sunny | 33° /20° | 9.4 mm | 11 | |
| Aug. 11 | Partly cloudy | 32° /18° | 0.6 mm | 11 | |
| Aug. 12 | Mist | 33° /21° | 0.5 mm | 11 | |
| Aug. 13 |  Thundery outbreaks possible | 33° /22° | 0.2 mm | 10 | |
| Aug. 14 | Light rain shower | 30° /22° | 9.9 mm | 9 | |
| Aug. 15 |  Moderate or heavy rain shower | 31° /22° | 16 mm | 9 | |
| Aug. 16 | Fog | 30° /22° | 12.6 mm | 6 | |
| Aug. 17 | Thundery outbreaks possible | 35° /22° | 4.5 mm | 8 | |
| Aug. 18 | Overcast | 28° /19° | 0.3 mm | 6 | |
| Aug. 19 | Mist | 28° /17° | 0.1 mm | 6 | |
| Aug. 20 | Mist | 31° /19° | 41 mm | 7 | |
| Aug. 21 | Overcast | 26° /17° | 4.9 mm | 5 | |
| Aug. 22 | Cloudy | 29° /18° | 5.3 mm | 6 | |
| Aug. 23 | Sunny | 30° /17° | 15.3 mm | 10 | |
| Aug. 24 | Overcast | 29° /17° | 0.4 mm | 10 | |
| Aug. 25 | Mist | 29° /18° | 0 mm | 10 | |
| Aug. 26 | Cloudy | 28° /14° | 0 mm | 8 | |
| Aug. 27 | Partly cloudy | 27° /17° | 15.3 mm | 8 | |
| Aug. 28 | Partly cloudy | 28° /17° | 0.6 mm | 9 | |
| Aug. 29 | Cloudy | 29° /16° | 0 mm | 9 | |
| Aug. 30 | Cloudy | 31° /15° | 0.4 mm | 9 | |
| Aug. 31 | Overcast | 28° /16° | 0.2 mm | 7 | |
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Important Notice
Our weather forecast for Herndon in August 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 August - FAQ
What are the expected maximum and minimum temperatures in Herndon during August?
During August, expect a variety of temperatures with highs around 28° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in Herndon during August?
Moderate rainfall is anticipated in Herndon during August, with a total of 81.9 mm spread over approximately 6 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Herndon during August?
The average wind speed in Herndon during August is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Herndon
Explore the daily rainfall trends and prepare for Herndons August weather 💧
Typically, Herndon has 6 rainy days in August with a total of 81.9 mm of rainfall.
UV exposure in Herndon during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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