October weather forecast and climate
Arlington, WA

Large iconic Arlington Memorial Bridge over the vast Potomac River in Washington, mirror images of the iconic Lincoln Memorial
Large iconic Arlington Memorial Bridge over the vast Potomac River in Washington, mirror images of the iconic Lincoln Memorial

Weather in October

October, like September, is another mild autumn month in Arlington, Washington, with average temperature ranging between min 43.3°F (6.3°C) and max 56.3°F (13.5°C).

Temperature

In Arlington, the average high-temperature decreases, from an enjoyable 66.2°F (19°C) in September, to a moderate 56.3°F (13.5°C). In Arlington, the average low-temperature is 43.3°F (6.3°C).

Humidity

In October, the average relative humidity is 81%.

Rainfall

In Arlington, Washington, during October, the rain falls for 17.3 days and regularly aggregates up to 3.82" (97mm) of precipitation. Throughout the year, in Arlington, there are 188.6 rainfall days, and 34.92" (887mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Arlington.

Daylight

In Arlington, the average length of the day in October is 10.8h.

Sunshine

In October, the average sunshine is 5.4h.

UV index

Months with the lowest UV index in Arlington are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from the exposure to the Sun's UV rays for average individuals.
Note: In October, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
[Resources]

FAQ

What is the average humidity in October in Arlington?

The average relative humidity in October in Arlington, Washington, is 81%.

How many days does it rain in October in Arlington?

In Arlington, during October, the rain falls for 17.3 days and regularly aggregates up to 3.82" (97mm) of precipitation.

When it does not snow in Arlington?

May through October are months without snowfall in Arlington.

Does it snow in Arlington in October?

In Arlington, in October, it doesn't snow. In November, it regularly snows.

What is the average length of the day in October in Arlington?

The average length of the day in October in Arlington, Washington, is 10.8h.

How many hours of sunshine does Arlington have in October?

The average sunshine in October in Arlington is 5.4h.

What is the month with the lowest UV index in Arlington?

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Arlington, Washington.

What is the UV index intensity in October in Arlington?

In October, the average daily maximum UV index in Arlington, Washington, is 2. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to the UV radiation.

Average temperature in October
Arlington, WA

Average temperature in October - Arlington, WA
  • Average high temperature in October: 56.3°F

The warmest month (with the highest average high temperature) is August (72.3°F).
The month with the lowest average high temperature is December (41.7°F).

  • Average low temperature in October: 43.3°F

The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is February (33.8°F).

[Resources]

Average pressure in October
Arlington, WA

Average pressure in October - Arlington, WA
  • Average pressure in October: 30.03"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is August (30").

[Resources]

Average wind speed in October
Arlington, WA

Average wind speed in October - Arlington, WA
  • Average wind speed in October: 4.7mph

The windiest months (with the highest average wind speed) are January and November (5.6mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).

[Resources]

Average humidity in October
Arlington, WA

Average humidity in October - Arlington, WA
  • Average humidity in October: 81%

Months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is July (73%).

[Resources]

Average rainfall in October
Arlington, WA

Average rainfall in October - Arlington, WA
  • Average rainfall in October: 3.82"

The wettest month (with the highest rainfall) is November (4.92").
The driest month (with the least rainfall) is July (0.51").

[Resources]

Average rainfall days in October
Arlington, WA

Average rainfall days in October - Arlington, WA
  • Average rainfall days in October: 17.3 days

The month with the highest number of rainy days is March (20.9 days).
The month with the least rainy days is August (6.9 days).

[Resources]

Average snowfall in October
Arlington, WA

Average snowfall in October - Arlington, WA
  • Average snowfall in October: 0"

The month with the highest snowfall is February (4.45").
Months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in October
Arlington, WA

Average snowfall days in October - Arlington, WA
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is February (4.3 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight in October /
Average sunshine in October
Arlington, WA

Average daylight in October / Average sunshine in October - Arlington, WA
  • Average daylight in October: 10.8h

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.4h).

  • Average sunshine in October: 5.4h

The month with the most sunshine is August (Average sunshine: 10.7h).
The month with the least sunshine is December (Average sunshine: 4.1h).

[Resources]

Average sunshine days in October
Arlington, WA

Average sunshine days in October - Arlington, WA
  • Average sunshine days in October: 12.4 days

The month with the most sunshine days is August (22 days).
The month with the least sunshine days is March (8.1 days).

[Resources]

Average UV index in October
Arlington, WA

Average UV index in October - Arlington, WA
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 5).
Months with the lowest UV index are January, February, October, November and December (UV index 2).

[Resources]

Average cloud cover in October
Arlington, WA

Average cloud cover in October - Arlington, WA
  • Average cloud cover in October: 43

The month with the most cloud cover is December (Cloud cover 57).
Months with the least cloud cover are July and August (Cloud cover 26).

[Resources]

Average visibility in October
Arlington, WA

Average visibility in October - Arlington, WA
  • Average visibility in October: 6mi

Months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
Months with the lowest visibility are January, February, November and December (5mi).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location