Weather forecast for 10 daysGreat Falls, VA

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 57°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 11mphN 358°
  • Humidity: 44%
  • UV index: 4
  • Sunrise: 7:20 am EDT
  • Sunset: 6:27 pm EDT
  • ▼
Today, clouds and sunshine will alternate throughout the day.
The anticipated temperature range extends from a high of a refreshing 57.2°F to a low of a cold 35.6°F.
Today, the maximum temperature is expected to align with November's average high of 53.4°F instead of October's.
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
  • 37°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphNNE 15°
  • Humidity: 47%
  • UV index: 5
  • Sunrise: 7:21 am EDT
  • Sunset: 6:26 pm EDT
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Tomorrow, on Sunday, conditions will remain bright with clear skies.
The temperature will fluctuate from a high of an enjoyable 60.8°F to a low of an icy 37.4°F.
Tomorrow, the predicted maximum will be a few degrees lower than October's regular high of 66.2°F.
Sunrise will be at 7:21 am and sunset at 6:26 pm; tomorrow's daylight will last for 11h and 5min.

10-day overview

Daily temperatures

Warmest day: Tuesday 72°C.
Coldest day: today 57°C.

Chance of precipitation

Highest chance: Sunday - Monday 24%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 57°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 11mphN 358°
  • Humidity: 44%
  • UV index: 4
  • Sunrise: 7:20 am EDT
  • Sunset: 6:27 pm EDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 61°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphNNE 15°
  • Humidity: 47%
  • UV index: 5
  • Sunrise: 7:21 am EDT
  • Sunset: 6:26 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 9mphN 357°
  • Humidity: 52%
  • UV index: 5
  • Sunrise: 7:22 am EDT
  • Sunset: 6:25 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 72°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 10mphN 352°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:23 am EDT
  • Sunset: 6:23 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphN 3°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:25 am EDT
  • Sunset: 6:22 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 70°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 9mphNNW 342°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:26 am EDT
  • Sunset: 6:21 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 66°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 8mphN 359°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:27 am EDT
  • Sunset: 6:19 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 63°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 7mphN 7°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:28 am EDT
  • Sunset: 6:18 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 64°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphNNW 338°
  • Humidity: 66%
  • UV index: 4
  • Sunrise: 7:29 am EDT
  • Sunset: 6:17 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 70°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 7mphNW 323°
  • Humidity: 68%
  • UV index: 4
  • Sunrise: 7:30 am EDT
  • Sunset: 6:15 pm EDT
  • ▼
Across the following ten days, a combination of dry and sunny and dull weather is forecasted.
Rainfall is not predicted in Great Falls in the upcoming days.
The temperature will vary considerably in the next ten days. The temperature is expected to swing from 57.2°F up to 71.6°F, while there will be also a marked difference in overnight low temperatures, as temperatures overnight will fluctuate from 35.6°F up to 48.2°F.
Tuesday is expected to be the warmest, reaching up to 71.6°F; today is the coldest day, with a maximum temperature of 57.2°F.
Updated: Oct 17, 2026 @ 18:29:30 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, intermittent cloud cover is expected, allowing for some sunshine.

Today, the highest temperature will be 57.2°F, while the lowest temperature will be 35.6°F.
Today, the maximum temperature will be relatively lower than the average highest temperature in October. Today, the lowest temperature will be notably lower than the average low of 49.6°F.

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

Today in Great Falls, the daylight will last for 11h and 7min.

Tomorrow, sunshine will likely continue with scattered clouds at most.

Tomorrow, the highest temperature will be 60.8°F, while the lowest temperature will be 37.4°F.
The highest temperature will be slightly cooler than the average maximum of 66.2°F in October. The lowest temperature tomorrow will be significantly lower than the average low of 49.6°F.

On Sunday, in Great Falls, sunrise will be at 7:21 am and sunset at 6:26 pm (EDT).

In Great Falls, the length of the day tomorrow will be 11h and 5min.