Weather forecast for tomorrow
Great Falls, VA

Weather forecast for tomorrow

Wednesday, Jun 18.

Mostly Cloudy
5:41 am

8:39 pm
EDT
Mostly Cloudy
88°F / 70°F
  • Wind: 9mph WSW
  • Humidity: 76%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 9
Tomorrow, expect a cloud-dominated atmosphere throughout.
Rain is not predicted. The temperature scale will run from a maximum of a hot 87.8°F to a minimum of a pleasant 69.8°F.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is evaluated at an extremely hot 104°F. Take into consideration that the heat index values are calculated for shade and light wind conditions. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The anticipated top temperature is expected to be slightly warmer than the usual June maximum of 82.9°F.
Sunrise will be at 5:41 am and sunset at 8:39 pm; tomorrow's daylight will last for 14h and 58min.

Frequently asked questions

What is the weather forecast for Great Falls for tomorrow?
Tomorrow, gloomy and cloudy conditions will set the tone.
Will it rain tomorrow?
No, it will not rain tomorrow.
What will be the highest temperature tomorrow?
Tomorrow, the maximum temperature will be 87.8°F, while the minimum temperature will be 69.8°F. The maximum heat index, which combines air temperature and relative humidity, is calculated to be 104°F.
The highest temperature will be moderately higher than the average maximum of 82.9°F in June. The lowest temperature will be also a few degrees higher than the average low of 63.3°F.
What time are sunrise and sunset tomorrow?
On Wednesday, in Great Falls, sunrise will be at 5:41 am and sunset at 8:39 pm (EDT).
How many hours of daylight will Great Falls have tomorrow?
Tomorrow, the daylight will last for 14h and 58min.

Hourly weather forecast

12 am
  • 73°F
  • Feels like:
    77°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph SSE
  • Pressure: 29.91"Hg
  • Humidity: 98%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 5mi
2 am
  • 73°F
  • Feels like:
    75°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 2mph S
  • Pressure: 29.91"Hg
  • Humidity: 100%
  • Precip. probability: 22%
  • Precipitation: 0"
  • Visibility: 3mi
4 am
  • 72°F
  • Feels like:
    75°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 2mph S
  • Pressure: 29.88"Hg
  • Humidity: 100%
  • Precip. probability: 20%
  • Precipitation: 0"
  • Visibility: 4mi
Sunrise: 5:41 am
6 am
  • 72°F
  • Feels like:
    75°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 1mph S
  • Pressure: 29.88"Hg
  • Humidity: 100%
  • Precip. probability: 13%
  • Precipitation: 0"
  • Visibility: 4mi
8 am
  • 73°F
  • Feels like:
    79°F
Cloudy
Cloudy
  • Wind: 2mph SSW
  • Pressure: 29.91"Hg
  • Humidity: 100%
  • Precip. probability: 11%
  • Precipitation: 0"
  • Visibility: 6mi
10 am
  • 79°F
  • Feels like:
    86°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph SW
  • Pressure: 29.91"Hg
  • Humidity: 83%
  • Precip. probability: 16%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 84°F
  • Feels like:
    91°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph WSW
  • Pressure: 29.91"Hg
  • Humidity: 69%
  • Precip. probability: 14%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 86°F
  • Feels like:
    93°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 7mph WSW
  • Pressure: 29.88"Hg
  • Humidity: 63%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 86°F
  • Feels like:
    95°F
Cloudy
Cloudy
  • Wind: 7mph WSW
  • Pressure: 29.88"Hg
  • Humidity: 66%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 84°F
  • Feels like:
    91°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 7mph WSW
  • Pressure: 29.85"Hg
  • Humidity: 68%
  • Precip. probability: 18%
  • Precipitation: 0"
  • Visibility: 10mi
8 pm
  • 82°F
  • Feels like:
    90°F
Partly Cloudy
Partly Cloudy
  • Wind: 3mph SW
  • Pressure: 29.85"Hg
  • Humidity: 73%
  • Precip. probability: 10%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:39 pm
10 pm
  • 77°F
  • Feels like:
    82°F
Mostly Clear
Mostly Clear
  • Wind: 4mph SSW
  • Pressure: 29.88"Hg
  • Humidity: 85%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, a combination of primarily cloudy and occasionally lightning-active and rainy weather is anticipated.
The temperature will be between the lowest temperature of 71.6°F and the highest temperature of 86°F. The feels-like temperature will be between a minimum of 75.2°F and a maximum of 95°F. The hottest part of the day will be from 1 pm to 4 pm.
The highest temperature will be relatively higher than June's average maximum of 82.9°F. The lowest temperature is more consistent with July's average minimum of 68.5°F than the usual minimum of 63.3°F in June.
Updated: Jun 17, 2025 @ 17:19:29 UTC
Published by: Weather U.S. | About Us
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