Washington County (Johnson City)
August
Weather in Washington County, Tennessee for August 2026
Your guide to Washington County weather in August - trends and predictions
In general, the average temperature in Washington County at the beginning of August is 23.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 22.6 °F by the end of August.
The climate of Washington County in August is notably wet, with an average of 11 rainy days, and a total of 185.4 mm of precipitation.
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Temperatures
Rain 🌧️
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20
Dry days
11
Rainy days
0
Snow days
25°/17°
Temperatures
9 km/h
Avg max wind
82 %
Avg humidity
Washington County Weather August
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Temperatures trend during August in Washington County
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August weather in Washington County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Light rain shower | 26° /21° | 25.9 mm | 6 | |
| Aug. 2 |  Overcast | 21° /18° | 0.1 mm | 5 | |
| Aug. 3 |  Moderate or heavy rain shower | 17° /15° | 68.8 mm | 4 | |
| Aug. 4 | Overcast | 28° /17° | 0 mm | 6 | |
| Aug. 5 |  Heavy rain | 21° /14° | 46.1 mm | 5 | |
| Aug. 6 | Overcast | 26° /17° | 0 mm | 6 | |
| Aug. 7 |  Mist | 26° /16° | 0 mm | 6 | |
| Aug. 8 |  Partly cloudy | 25° /16° | 0 mm | 7 | |
| Aug. 9 | Fog | 26° /17° | 0 mm | 6 | |
| Aug. 10 | Moderate rain at times | 29° /18° | 3.2 mm | 6 | |
| Aug. 11 | Light rain shower | 28° /19° | 4.1 mm | 6 | |
| Aug. 12 | Light rain shower | 26° /19° | 5 mm | 6 | |
| Aug. 13 | Light rain shower | 26° /20° | 7 mm | 6 | |
| Aug. 14 | Fog | 26° /20° | 0 mm | 6 | |
| Aug. 15 | Fog | 29° /17° | 0 mm | 6 | |
| Aug. 16 | Fog | 31° /17° | 0 mm | 7 | |
| Aug. 17 |  Thundery outbreaks possible | 28° /16° | 0 mm | 6 | |
| Aug. 18 | Fog | 31° /20° | 0 mm | 7 | |
| Aug. 19 | Overcast | 28° /20° | 0 mm | 6 | |
| Aug. 20 | Fog | 28° /17° | 2.5 mm | 6 | |
| Aug. 21 | Light rain shower | 25° /20° | 16.6 mm | 6 | |
| Aug. 22 | Fog | 27° /17° | 0 mm | 6 | |
| Aug. 23 | Light rain shower | 25° /19° | 2.9 mm | 6 | |
| Aug. 24 | Light rain shower | 25° /18° | 3.2 mm | 6 | |
| Aug. 25 | Mist | 21° /16° | 0 mm | 5 | |
| Aug. 26 | Mist | 20° /9° | 0 mm | 5 | |
| Aug. 27 |  Sunny | 21° /10° | 0 mm | 6 | |
| Aug. 28 |  Cloudy | 24° /11° | 0 mm | 5 | |
| Aug. 29 | Partly cloudy | 24° /11° | 0 mm | 6 | |
| Aug. 30 | Fog | 25° /12° | 0 mm | 6 | |
| Aug. 31 | Fog | 23° /13° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Washington County 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 Washington County forecast closer to your planned date for the most up-to-date weather information.
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Washington County in August - FAQ
What are the expected maximum and minimum temperatures in Washington County during August?
During August, expect a variety of temperatures with highs around 25° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Washington County during August?
Significant rainfall exceeding 185.4 mm is expected in Washington County during August, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Washington County during August?
The average wind speed in Washington County during August is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Washington County
Explore the daily rainfall trends and prepare for Washington Countys August weather 💧
UV exposure in Washington County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Where is Washington County?Get accurate weather forecasts for Washington County, located at latitude 36.313 and longitude -82.353. Stay updated with localized weather information tailored for Washington County.
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