Weather forecast for tomorrow
Chantilly, VA

Weather forecast for tomorrow

Wednesday, Jun 18.

PM Showers
5:42 am

8:39 pm
EDT
PM Showers
88°F / 70°F
  • Wind: 9mph SW
  • Humidity: 74%
  • Precip. probability: 35%
  • Precipitation: 0.04"
  • UV index: 9
Tomorrow, in Chantilly, passing showers could bring some wet conditions later in the day.
Minimal precipitation is forecasted. The temperature will fluctuate from a high of a blazing 87.8°F to a low of an agreeable 69.8°F.
The maximum heat index, which modifies the air temperature to account for humidity, is estimated at a fiery hot 102.2°F. Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
The highest temperature is predicted to be a couple of degrees higher than the average June peak of 82.9°F.
Sunrise will be at 5:42 am and sunset at 8:39 pm; tomorrow's daylight will last for 14h and 57min.

Frequently asked questions

What is the weather forecast for Chantilly for tomorrow?
Tomorrow, prepare for occasional showers in the afternoon.
Will it rain tomorrow in Chantilly?
Tomorrow, there is a low chance of minimal precipitation in Chantilly.
What will be the maximum temperature tomorrow?
Tomorrow, the highest temperature will be 87.8°F, while the lowest temperature will be 69.8°F. The maximum heat index, which measures the combined effect of heat and moisture, is calculated to be 102.2°F.
The highest temperature will be a couple of degrees higher than the average maximum of 82.9°F in June. The lowest temperature will be also moderately higher than the average low of 62.6°F.
What time are sunrise and sunset tomorrow?
On Wednesday, in Chantilly, sunrise will be at 5:42 am and sunset at 8:39 pm (EDT).
How long will the day be tomorrow?
In Chantilly, the length of the day tomorrow will be 14h and 57min.

Hourly weather forecast

12 am
  • 73°F
  • Feels like:
    77°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 5mph SSE
  • Pressure: 29.91"Hg
  • Humidity: 97%
  • Precip. probability: 20%
  • Precipitation: 0"
  • Visibility: 5mi
2 am
  • 73°F
  • Feels like:
    77°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 5mph S
  • Pressure: 29.91"Hg
  • Humidity: 98%
  • Precip. probability: 22%
  • Precipitation: 0"
  • Visibility: 4mi
4 am
  • 72°F
  • Feels like:
    75°F
Cloudy
Cloudy
  • Wind: 3mph SSW
  • Pressure: 29.88"Hg
  • Humidity: 100%
  • Precip. probability: 20%
  • Precipitation: 0"
  • Visibility: 4mi
Sunrise: 5:42 am
6 am
  • 72°F
  • Feels like:
    75°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 2mph S
  • Pressure: 29.88"Hg
  • Humidity: 98%
  • Precip. probability: 9%
  • Precipitation: 0"
  • Visibility: 4mi
8 am
  • 73°F
  • Feels like:
    79°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph SSW
  • Pressure: 29.91"Hg
  • Humidity: 96%
  • Precip. probability: 11%
  • Precipitation: 0"
  • Visibility: 5mi
10 am
  • 79°F
  • Feels like:
    86°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SW
  • Pressure: 29.91"Hg
  • Humidity: 80%
  • Precip. probability: 16%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 84°F
  • Feels like:
    90°F
Partly Cloudy
Partly Cloudy
  • Wind: 7mph WSW
  • Pressure: 29.91"Hg
  • Humidity: 68%
  • 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: 62%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 84°F
  • Feels like:
    91°F
Cloudy
Cloudy
  • Wind: 9mph WSW
  • Pressure: 29.88"Hg
  • Humidity: 68%
  • Precip. probability: 24%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 86°F
  • Feels like:
    93°F
Few Showers
Few Showers
  • Wind: 7mph WSW
  • Pressure: 29.85"Hg
  • Humidity: 66%
  • Precip. probability: 34%
  • Precipitation: 0.04"
  • Visibility: 10mi
8 pm
  • 82°F
  • Feels like:
    88°F
Mostly Sunny
Mostly Sunny
  • Wind: 5mph SW
  • Pressure: 29.85"Hg
  • Humidity: 71%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 8:39 pm
10 pm
  • 79°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 5mph SSW
  • Pressure: 29.88"Hg
  • Humidity: 82%
  • Precip. probability: 7%
  • Precipitation: 0"
  • Visibility: 10mi
Tomorrow, weather will be unstable, and a combination of primarily cloud-filled and occasionally thunderstorm-prone, rain-soaked and clear weather is forecasted.
With minimal precipitation of 0.04", rain is expected at 3 pm and 6 pm.
The temperature will vary between a minimum of 71.6°F and a maximum of 86°F. The feels-like temperature will vary between the lowest temperature of 75.2°F and the highest temperature of 93.2°F. The hottest part of the day will be at 2 pm, 3 pm and 6 pm.
The temperature is expected to be relatively higher than the average peak in June, which is 82.9°F. Forecast models suggest a low more in line with July's typical minimum of 67.3°F than June's usual 62.6°F.
Updated: Jun 17, 2025 @ 17:21:02 UTC
Published by: Weather U.S. | About Us
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