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October Weather in Arlington, United States

Last updated: June 24, 2025

In October, the average temperature in Arlington, United States hovers around 11°C (53°F). Be prepared for a temperature range that can dip to a chilly -7°C (20°F) or soar up to 32°C (89°F). During this month, expect about 28 mm (1.1 in) of precipitation over 5 days, with an average humidity of 78%. Stay comfortable and enjoy your time exploring!

October Temperature in Arlington

In October in Arlington, the average temperature is 11°C (53°F). The maximum can reach 32°C (89°F), while the minimum can drop as low as -7°C (20°F). Be prepared for a wide range of temperatures when traveling during this time.

October Weather in Arlington: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Arlington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arlington, October typically has an average temperature of 11°C (53°F), with highs reaching up to 32°C (89°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec363744526169777666524336
Data source: Temperature data for Arlington generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Arlington

In Arlington in October, the precipitation amount is 28 mm (1.1 in) over a period of 5 days.

October Precipitation Trends in Arlington

The chart displays monthly precipitation patterns in Arlington, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Arlington, October typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec485931301881512284051
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Arlington

In Arlington in October, humidity is 78%. With an average temperature of 11°C (53°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities somewhat uncomfortable as you navigate through the unpredictable weather.

October Average Humidity in Arlington

This chart illustrates the average monthly humidity levels in Arlington, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Arlington is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%87%86%85%80%82%79%63%59%78%88%88%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Arlington

In Arlington in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Arlington.

Maximum UV Index Levels in Arlington for October

The chart shows the monthly maximum UV Index (UVI) for Arlington in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Arlington typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24579101098532
Data source: Arlington October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How October Weather in Arlington Compares to Other Months

Weather in Arlington varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Arlington, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Arlington, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)48 mm (1.9 inches)86%low
February Weather3°C (37°F)58 mm (2.3 inches)87%moderate
March Weather7°C (45°F)31 mm (1.2 inches)86%moderate
April Weather11°C (52°F)30 mm (1.2 inches)85%high
May Weather16°C (62°F)18 mm (0.7 inches)80%very high
June Weather21°C (69°F)8 mm (0.3 inches)82%very high
July Weather25°C (77°F)1 mm (0.0 inches)78%very high
August Weather25°C (77°F)4 mm (0.2 inches)62%very high
September Weather19°C (67°F)12 mm (0.5 inches)59%very high
October Weather11°C (53°F)28 mm (1.1 inches)78%moderate
November Weather6°C (43°F)40 mm (1.6 inches)88%moderate
December Weather2°C (36°F)51 mm (2.0 inches)88%low

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