Weather forecast for 10 daysArlington, VA

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 55°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 16mphN 0°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:20 am EDT
  • Sunset: 6:27 pm EDT
  • ▼
On Saturday, October 17, a pleasant mix of sun and clouds will define the day.
The maximum expected temperature is a refreshing 55.4°F, while the minimum temperature will be a cold 37.4°F.
The forecast high is lower and more aligned with what is typical in November than in October.
Sunrise was at 7:20 am and sunset will be at 6:27 pm; the daylight will last for 11h and 7min.

Sunday Oct 18, 2026

  • 61°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphNNE 25°
  • Humidity: 43%
  • UV index: 5
  • Sunrise: 7:21 am EDT
  • Sunset: 6:25 pm EDT
  • ▼
On Sunday, October 18, sunshine is expected with little to no cloud cover.
The temperature scale will run from a maximum of a breezy 60.8°F to a minimum of a cold 41°F.
The weather tomorrow is colder, with a maximum expected near 54.9°F - more like November than October.
Sunrise will be at 7:21 am and sunset at 6:25 pm; tomorrow's daylight will last for 11h and 5min.

10-day overview

Daily temperatures

Warmest day: Tuesday 72°C.
Coldest day: today 55°C.

Chance of precipitation

Highest chance: Sunday - Monday 24%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 55°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 16mphN 0°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:20 am EDT
  • Sunset: 6:27 pm EDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 61°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphNNE 25°
  • Humidity: 43%
  • UV index: 5
  • Sunrise: 7:21 am EDT
  • Sunset: 6:25 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 48°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphN 6°
  • Humidity: 49%
  • UV index: 5
  • Sunrise: 7:22 am EDT
  • Sunset: 6:24 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 72°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 11mphN 359°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:23 am EDT
  • Sunset: 6:23 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 11mphN 10°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:24 am EDT
  • Sunset: 6:21 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 68°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 10mphN 351°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:25 am EDT
  • Sunset: 6:20 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 66°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 9mphN 9°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:26 am EDT
  • Sunset: 6:19 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 61°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 9mphNNE 20°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:27 am EDT
  • Sunset: 6:17 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 64°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 8mphN 355°
  • Humidity: 66%
  • UV index: 4
  • Sunrise: 7:28 am EDT
  • Sunset: 6:16 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 70°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 8mphNNW 336°
  • Humidity: 66%
  • UV index: 4
  • Sunrise: 7:29 am EDT
  • Sunset: 6:15 pm EDT
  • ▼
Conditions over the next ten days suggest that a combination of sunny and cloudy weather is forecasted.
Rain is not predicted in Arlington in the upcoming days.
Temperature differences will be noticeable over the next several days. Highs will range from 55.4°F to 71.6°F, while the lowest night temperatures will vary also significantly, as nighttime lows are forecast to fall between 37.4°F and 50°F.
With the highest temperature of 71.6°F, Tuesday will be the warmest day; today is the coldest day, with a maximum temperature of 55.4°F.
Updated: Oct 17, 2026 @ 16:47:17 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, high-altitude clouds may scatter across the sky, but the sun will still shine.

Today, the maximum temperature will be 55.4°F, while the minimum temperature will be 37.4°F.
Today, the maximum temperature will be uncommonly lower than the average highest temperature of 66.9°F in October. The lowest temperature will be also significantly lower than the average low of 51.3°F.

On Saturday, in Arlington, sunrise was at 7:20 am and sunset will be at 6:27 pm (EDT).

In Arlington, the length of the day today will be 11h and 7min.

Tomorrow, bright and sunny weather is expected.

Tomorrow, the maximum temperature in Arlington will be 60.8°F, while the minimum temperature will be 41°F.
The highest temperature will be relatively lower than the average maximum of 66.9°F in October. Tomorrow, the lowest temperature will be noticeably lower than the average low of 51.3°F.

On Sunday, in Arlington, sunrise will be at 7:21 am and sunset at 6:25 pm (EDT).

In Arlington, tomorrow, there will be 11h and 5min of daylight.