Weather forecast for tomorrowGreat Falls, VA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 61°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphNNE 16°
- Humidity: 47%
- UV index: 5
- Sunrise: 7:21 am EDT
- Sunset: 6:26 pm EDT
- details ▼
On Sunday, in Great Falls, sunshine will likely continue with scattered clouds at most.
Temperature is expected to swing from a high of a breezy 60.8°F to a low of a cold 37.4°F.
The forecasted maximum temperature will be a few degrees lower than October's typical 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.
Temperature is expected to swing from a high of a breezy 60.8°F to a low of a cold 37.4°F.
The forecasted maximum temperature will be a few degrees lower than October's typical 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.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 59°C.
Coldest hour: 6 am 37°C.
Coldest hour: 6 am 37°C.
Chance of precipitation
Highest chance: 6 am 2%.
Hourly weather forecast
- 12 am
- 43°F
- Feels like:39°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphN 353°
- Humidity: 64%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:37°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphN 2°
- Humidity: 68%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 37°F
- Feels like:36°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphN 2°
- Humidity: 70%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:34°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphN 2°
- Humidity: 71%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:21 am
- 8 am
- 37°F
- Feels like:34°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphN 352°
- Humidity: 72%
- Pressure: 30.56"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 46°F
- Feels like:45°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphN 9°
- Humidity: 54%
- Pressure: 30.59"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 54°F
- Feels like:52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNE 23°
- Humidity: 37%
- Pressure: 30.56"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNE 27°
- Humidity: 31%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphNNE 23°
- Humidity: 35%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 6 pm
- 55°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNNE 25°
- Humidity: 45%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:26 pm
- 8 pm
- 48°F
- Feels like:48°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphNE 45°
- Humidity: 58%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 45°F
- Feels like:45°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphNE 34°
- Humidity: 71%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily dry and sunny and occasionally cloud-filled weather is anticipated.
The temperature will vary between a minimum of 37.4°F and a maximum of 59°F. The warmest part of the day will be from 2 pm to 5 pm.
Tomorrow, the forecasted high will be a couple of degrees lower than October's typical peak temperature. Forecast models suggest a low more alike with November's typical minimum of 38.7°F than October's usual 49.6°F.
The temperature will vary between a minimum of 37.4°F and a maximum of 59°F. The warmest part of the day will be from 2 pm to 5 pm.
Tomorrow, the forecasted high will be a couple of degrees lower than October's typical peak temperature. Forecast models suggest a low more alike with November's typical minimum of 38.7°F than October's usual 49.6°F.
Updated: Oct 17, 2026 @ 15:23:37 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, in Great Falls, clear skies and sunshine are anticipated.
Tomorrow, the maximum temperature will be 60.8°F, while the minimum temperature will be 37.4°F.
The highest temperature tomorrow will be slightly cooler than the average maximum temperature in October. Tomorrow, the lowest temperature will be uncommonly lower than the average low of 49.6°F.
The highest temperature tomorrow will be slightly cooler than the average maximum temperature in October. Tomorrow, the lowest temperature will be uncommonly 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.
