Tri-Cities
August
Weather in Tri-Cities for August 2025
Your guide to Tri-Cities weather in August - trends and predictions
In general, the average temperature in Tri-Cities at the beginning of August is 36.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 32 °F by the end of August.
With an average of 4 rainy days, Tri-Cities experiences minimal rainfall in August, ensuring that most days remain pleasantly dry.
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27
Dry days
4
Rainy days
0
Snow days
34°/18°
Temperatures
18 km/h
Avg max wind
36 %
Avg humidity
Tri-Cities in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  38° | 2 41° | 3 39° | ||||
| 4  35° | 5  36° | 6  33° | 7 33° | 8  35° | 9 36° | 10 34° |
| 11 34° | 12  33° | 13 33° | 14 35° | 15 38° | 16 36° | 17 39° |
| 18 34° | 19 32° | 20 32° | 21 30° | 22 29° | 23 27° | 24 28° |
| 25 30° | 26 34° | 27 34° | 28 33° | 29 30° | 30 32° | 31 31° |
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Temperatures trend during August in Tri-Cities
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 | Sunny | 38° /18° | 0 mm | 10 | |
| Aug. 2 | Sunny | 41° /21° | 0 mm | 10 | |
| Aug. 3 | Sunny | 39° /20° | 0 mm | 10 | |
| Aug. 4 | Moderate or heavy rain shower | 35° /22° | 0.9 mm | 8 | |
| Aug. 5 | Patchy rain possible | 36° /20° | 0.1 mm | 8 | |
| Aug. 6 | Overcast | 33° /19° | 0.1 mm | 8 | |
| Aug. 7 | Moderate or heavy rain shower | 33° /19° | 3.3 mm | 8 | |
| Aug. 8 | Cloudy | 35° /18° | 0 mm | 8 | |
| Aug. 9 | Cloudy | 36° /19° | 0 mm | 8 | |
| Aug. 10 | Sunny | 34° /19° | 0 mm | 9 | |
| Aug. 11 | Sunny | 34° /17° | 0 mm | 9 | |
| Aug. 12 | Partly cloudy | 33° /17° | 0 mm | 8 | |
| Aug. 13 | Sunny | 33° /18° | 0 mm | 8 | |
| Aug. 14 | Sunny | 35° /18° | 0 mm | 9 | |
| Aug. 15 | Sunny | 38° /19° | 0 mm | 9 | |
| Aug. 16 | Sunny | 36° /20° | 0 mm | 9 | |
| Aug. 17 | Cloudy | 39° /20° | 0 mm | 9 | |
| Aug. 18 | Partly cloudy | 34° /20° | 0 mm | 9 | |
| Aug. 19 | Sunny | 32° /15° | 0 mm | 8 | |
| Aug. 20 | Overcast | 32° /16° | 0.3 mm | 8 | |
| Aug. 21 | Overcast | 30° /18° | 0 mm | 7 | |
| Aug. 22 | Patchy rain possible | 29° /17° | 0.1 mm | 7 | |
| Aug. 23 | Sunny | 27° /13° | 0.4 mm | 7 | |
| Aug. 24 | Sunny | 28° /12° | 0 mm | 7 | |
| Aug. 25 | Overcast | 30° /15° | 0 mm | 7 | |
| Aug. 26 | Sunny | 34° /14° | 0 mm | 9 | |
| Aug. 27 | Partly cloudy | 34° /15° | 0 mm | 8 | |
| Aug. 28 | Sunny | 33° /14° | 0.2 mm | 8 | |
| Aug. 29 | Patchy rain possible | 30° /14° | 1.6 mm | 7 | |
| Aug. 30 | Partly cloudy | 32° /15° | 0 mm | 8 | |
| Aug. 31 | Overcast | 31° /16° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Tri-Cities 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 Tri-Cities forecast closer to your planned date for the most up-to-date weather information.
Tri-Cities in August - FAQ
What are the expected maximum and minimum temperatures in Tri-Cities during August?
Expect warm days with temperatures around 34°, cooling to mild conditions of 18° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Tri-Cities during August?
Expect minimal rainfall in Tri-Cities during August, with a total of 12.4 mm over approximately 4 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Tri-Cities during August?
The average wind speed in Tri-Cities during August is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
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