Johnson City (TN)
August
Weather in Johnson City, Tennessee for August 2026
Your guide to Johnson City weather in August - trends and predictions
In general, the average temperature in Johnson City 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 Johnson City 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
Johnson City Weather August
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Temperatures trend during August in Johnson City
See the weather trend as well as the moving average line
August weather in Johnson City 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 Johnson City 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 Johnson City forecast closer to your planned date for the most up-to-date weather information.
Change Month
Johnson City in August - FAQ
What are the expected maximum and minimum temperatures in Johnson City 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 Johnson City during August?
Significant rainfall exceeding 185.4 mm is expected in Johnson City during August, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Johnson City during August?
The average wind speed in Johnson City during August is 9 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Johnson City
Explore the daily rainfall trends and prepare for Johnson Citys August weather 💧
Typically, Johnson City has 11 rainy days in August with a total of 185.4 mm of rainfall.
UV exposure in Johnson City during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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