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Weather in Arlington County for August 2025

Your guide to Arlington County weather in August - trends and predictions
  • In general, the average temperature in Arlington County at the beginning of August is 31.9 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 30.6 °F by the end of August.

  • The climate of Arlington County in August is notably wet, with an average of 14 rainy days.

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Average dry days
17
Dry days
Average rainy days
14
Rainy days
Average snowy days
0
Snow days
Average temperatures
31°/19°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
65 %
Avg humidity

Arlington County in August average weather

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Temperatures trend during August in Arlington County

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 Cloudy
Cloudy
32° /20° 0.7 mm 7
Aug. 2 Overcast
Overcast
32° /18° 1.4 mm 7
Aug. 3 Moderate or heavy rain shower
Moderate or heavy rain shower
33° /20° 3.6 mm 7
Aug. 4 Overcast
Overcast
29° /19° 2.9 mm 7
Aug. 5 Overcast
Overcast
34° /20° 0 mm 8
Aug. 6 Patchy rain possible
Patchy rain possible
34° /21° 6 mm 8
Aug. 7 Cloudy
Cloudy
29° /20° 7.3 mm 6
Aug. 8 Overcast
Overcast
29° /21° 4.7 mm 7
Aug. 9 Overcast
Overcast
28° /20° 10.6 mm 6
Aug. 10 Heavy rain at times
Heavy rain at times
29° /20° 5.1 mm 6
Aug. 11 Overcast
Overcast
30° /18° 0 mm 7
Aug. 12 Cloudy
Cloudy
31° /19° 0 mm 7
Aug. 13 Overcast
Overcast
31° /20° 0.1 mm 7
Aug. 14 Moderate or heavy rain shower
Moderate or heavy rain shower
30° /20° 11.5 mm 7
Aug. 15 Moderate or heavy rain shower
Moderate or heavy rain shower
32° /20° 8.5 mm 8
Aug. 16 Cloudy
Cloudy
28° /19° 0.2 mm 7
Aug. 17 Patchy rain possible
Patchy rain possible
31° /20° 4.5 mm 7
Aug. 18 Overcast
Overcast
30° /21° 7.8 mm 7
Aug. 19 Sunny
Sunny
28° /17° 3.2 mm 7
Aug. 20 Cloudy
Cloudy
29° /16° 0 mm 7
Aug. 21 Overcast
Overcast
30° /16° 0 mm 7
Aug. 22 Overcast
Overcast
28° /17° 0 mm 7
Aug. 23 Cloudy
Cloudy
29° /15° 0 mm 7
Aug. 24 Heavy rain at times
Heavy rain at times
28° /17° 5.3 mm 7
Aug. 25 Torrential rain shower
Torrential rain shower
34° /18° 21.2 mm 8
Aug. 26 Mist
Mist
33° /20° 0.7 mm 7
Aug. 27 Patchy rain possible
Patchy rain possible
33° /20° 0.6 mm 7
Aug. 28 Light rain shower
Light rain shower
32° /21° 2.7 mm 8
Aug. 29 Mist
Mist
27° /19° 3.7 mm 6
Aug. 30 Light rain
Light rain
27° /20° 2 mm 6
Aug. 31 Overcast
Overcast
28° /18° 1.5 mm 7
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Important Notice
Our weather forecast for Arlington 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 Arlington County forecast closer to your planned date for the most up-to-date weather information.

Arlington County in August - FAQ

What are the expected maximum and minimum temperatures in Arlington County during August?
Expect warm days with temperatures around 31°, cooling to mild conditions of 19° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Arlington County during August?
Significant rainfall exceeding 128.4 mm is expected in Arlington County during August, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Arlington County during August?
The average wind speed in Arlington County during August is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
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Location coordinates Where is Arlington County?

Get accurate weather forecasts for Arlington County, located at latitude 38.881 and longitude -77.104. Stay updated with localized weather information tailored for Arlington County.

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