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Weather in Arlington County for October 2025

Your guide to Arlington County weather in October - trends and predictions
  • In general, the average temperature in Arlington County at the beginning of October is 24.7 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 21.9 °F by the end of October.

  • Arlington County sees moderate rainfall in October, averaging 9 rainy days.

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Average dry days
22
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/11°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
66 %
Avg humidity

Arlington County in October average weather

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Temperatures trend during October in Arlington County

See the weather trend as well as the moving average line

October weather day by day

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Date Weather Temperatures Rain UV More
Oct. 1 Fog
Fog
22° /14° 11.7 mm 5
Oct. 2 Mist
Mist
25° /16° 0 mm 6
Oct. 3 Mist
Mist
27° /16° 0 mm 6
Oct. 4 Partly cloudy
Partly cloudy
27° /16° 0 mm 6
Oct. 5 Mist
Mist
26° /16° 0 mm 6
Oct. 6 Light rain shower
Light rain shower
25° /15° 0.6 mm 6
Oct. 7 Light rain shower
Light rain shower
21° /13° 1.9 mm 5
Oct. 8 Overcast
Overcast
19° /8° 0 mm 5
Oct. 9 Patchy rain possible
Patchy rain possible
21° /8° 0.1 mm 5
Oct. 10 Partly cloudy
Partly cloudy
19° /9° 0.1 mm 6
Oct. 11 Overcast
Overcast
21° /7° 0 mm 6
Oct. 12 Partly cloudy
Partly cloudy
26° /10° 0 mm 7
Oct. 13 Cloudy
Cloudy
24° /13° 0 mm 6
Oct. 14 Light rain shower
Light rain shower
18° /10° 10.2 mm 5
Oct. 15 Patchy rain possible
Patchy rain possible
13° /8° 0.4 mm 4
Oct. 16 Patchy rain possible
Patchy rain possible
14° /6° 0.2 mm 4
Oct. 17 Patchy rain possible
Patchy rain possible
16° /7° 0.1 mm 5
Oct. 18 Overcast
Overcast
20° /7° 0 mm 6
Oct. 19 Overcast
Overcast
22° /8° 0 mm 6
Oct. 20 Light rain shower
Light rain shower
22° /12° 9.5 mm 5
Oct. 21 Patchy rain possible
Patchy rain possible
23° /10° 0 mm 6
Oct. 22 Light rain shower
Light rain shower
22° /10° 3.4 mm 6
Oct. 23 Sunny
Sunny
21° /8° 0 mm 6
Oct. 24 Sunny
Sunny
19° /8° 0 mm 6
Oct. 25 Partly cloudy
Partly cloudy
23° /7° 0 mm 7
Oct. 26 Overcast
Overcast
24° /11° 0.1 mm 6
Oct. 27 Overcast
Overcast
21° /11° 0 mm 5
Oct. 28 Patchy rain possible
Patchy rain possible
24° /11° 0 mm 6
Oct. 29 Light rain shower
Light rain shower
19° /13° 1 mm 5
Oct. 30 Light drizzle
Light drizzle
23° /12° 0.4 mm 6
Oct. 31 Overcast
Overcast
19° /10° 0 mm 5
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Important Notice
Our weather forecast for Arlington County in October 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 October - FAQ

What are the expected maximum and minimum temperatures in Arlington County during October?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Arlington County during October?
In October, Arlington County can expect light to moderate rainfall, totaling 46.6 mm across approximately 9 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Arlington County during October?
The average wind speed in Arlington County during October is 13 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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