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Weather Conditions for Brockmont, Virginia : Fairfax County
Issued: 4:53 pm EDT Sep 4, 2026 Latitude: 38.8765008 Longitude: -77.1822028 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Labor Day Tuesday Wednesday Thursday Friday
50% chance of thunderstorms on Tonight 30% chance of thunderstorms on Saturday Mostly Sunny on Sunday Sunny on Labor Day Mostly Sunny on Tuesday Mostly Sunny on Wednesday 20% chance of thunderstorms on Thursday Mostly Sunny on Friday
Low: 72°F High: 84°F High: 82°F High: 82°F High: 85°F High: 88°F High: 90°F High: 82°F
Low: 66°F Low: 62°F Low: 62°F Low: 65°F Low: 71°F Low: 67°F  
Thunderstorms Thunderstorms Mostly Sunny Sunny Mostly Sunny Mostly Sunny Thunderstorms Mostly Sunny
Current Conditions at
WASHINGTON - (KDCA)
81°
Mostly Cloudy
as of 5:52 PM EDST
Rel. Humidity: 74%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
6 MPH
Cloud Level(s): Scattered at 5500ft, Broken at 14000ft, Broken at 25000ft
Current Conditions at
FORT BELVOIR - (KDAA)
75°
Clear
as of 5:55 PM EDST
Rel. Humidity: 94%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
7 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
WASH-DULLES - (KIAD)
75°
Mostly Clear
as of 5:52 PM EDST
Rel. Humidity: 88%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 2000ft, Few at 5000ft, Scattered at 12000ft, Broken at 16000ft, Broken at 25000ft
Current Conditions at
MANASSAS - (KHEF)
73°
Clear
as of 5:56 PM EDST
Rel. Humidity: 88%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
3 MPH
210° Southwest
Cloud Level(s): Clear
50% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 72. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.

30% chance of thunderstorms Saturday Saturday... A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 84. North wind around 6 mph. Chance of precipitation is 30%.

40% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 1am. Mostly cloudy, with a low around 66. Northeast wind around 5 mph becoming calm. Chance of precipitation is 40%.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 82. Northeast wind 6 to 8 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 62. East wind around 5 mph becoming calm in the evening.

Sunny on Labor Day Labor Day... Sunny, with a high near 82.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 62.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 85.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 65.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 88.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 71.

20% chance of thunderstorms Thursday Thursday... A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 20%.

20% chance of thunderstorms Thursday Night Thursday Night... A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 20%.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 82.

Current Radar Image


Sun Almanac for Brockmont, Virginia
Astronomical Sunrise 15:08 AM?Astronomical sunrise occurs when the Sun is 18° below the horizon and the sky begins to brighten from a completly darkened state.
Nautical Sunrise 15:41 AM?Nautical sunrise (or nautical dawn) is the precise moment when the sun's center is 12° below the horizon in the morning. It marks the beginning of nautical twilight, allowing pilots/mariners to see the horizon.
Civil Sunrise 16:14 AM?Civil sunrise is the moment in the morning when the sun's center is 6° below the horizon. It marks the start of morning civil twilight, providing enough natural light for most, outdoor activities without artificial lighting. It typically occurs roughly 20-30 minutes before actual sunrise.
Sunrise 16:41 AM?Sunrise (or sunup) is the moment when the upper rim of the Sun appears on the horizon in the morning. It marks the end of the twilight phase, often accompanied by distinct atmospheric colors.

Daylight: 0 Hours 54 Minutes?Daylight hours are the period of time between local sunrise and sunset, representing the daily portion of sunlight. These hours change in length based on season, Earth's tilt, and latitude.

Sunset 05:35 PM?The sunset is defined in astronomy as the moment the upper limb of the Sun disappears below the horizon. It marks the end of daylight and is often accompanied by distinct atmospheric colors. It also signals the beginning of twilight.
Civil Sunset 06:02 PM?Civil sunset (or evening civil twilight) occurs when the center of the sun is 6° below the horizon, marking the end of the brightest twilight phase. It typically occurs roughly 20-30 minutes after sunset, providing enough light for most outdoor activities to continue without artificial light.
Nautical Sunset 06:34 PM?Nautical sunset occurs when the sun's center is 12° below the horizon, marking the end of nautical twilight. This phase, following civil twilight, allows the horizon to remain visible, enabling mariners to take accurate star sights for navigation. The sky is dark, but some ambient light remains
Astronomical Sunset 07:07 PM?Astronomical sunrise occurs when the Sun drops to 18° below the horizon. This causes the sky to enter a completly darkened state.

Civil Rise to Set: 1 Hours 48 Minutes
Nautical Rise to Set: 2 Hours 53 Minutes
Astro Rise to Set: 3 Hours 59 Minutes

Click for yearly Sun Almanac for Brockmont
Moon Almanac for Brockmont, Virginia
Moon Phase: Last Quarter
Moon Illumination: 43%
Moon Age: 22.8 Days
Moon is currently below the horizon
Distance from Moon to Earth: 225,858 miles
Upcoming Lunar Events for
Brockmont:
Next EventEvent TimeIllum

Moonrise:12:02 am Sat40.3%
High Moon:08:04 am Sat36.6%
Moonset:04:04 pm Sat32.9%
New Moon: Wed Aug 12
First Quarter: Wed Aug 19
Full Moon: Fri Aug 28
Last Quarter: Fri Sep 4
New Moon: Thu Sep 10
Click for Monthly Moon Almanac
Virginia's Current Temperatures
Virginia's Current Temperature Map


Virginia's Satellite ImageVirginia Satellite Image

Virginia's Current Wind DirectionVirginia's Current Wind Direction

National Summary
of upper and lower values of current conditions amongst 7066 locations
in the contiguous United States
High
Temp
106° Gila Bend (Aaf), Arizona
and 2 other locations
Low
Temp
46° Mullan Pass, Idaho
Wind
Speed
32mph Buffalo, South Dakota
Wind
Gust
47mph Milford, Utah
Wind
Chill
45° Bend Municipal A/P, Oregon
Heat
Index
118° Corning Municipal A/P, Arkansas
High
Pressure
30.69Hg Salida Mountain, Colorado
Low
Pressure
29.72Hg Miles City, Montana
and 2 other locations
# Locations Reporting Rain 58
# Locations Reporting Thunderstorms / Lightning 47
# Locations Reporting Fog 1
Average Temperature in the Contiguous USA 85°
Virginia State Summary
of upper and lower values of current conditions amongst 66 locations
in Virginia
High
Temp
95° Wakefield
and 2 other locations
Low
Temp
66° Hot Springs
Wind
Speed
13mph Franklin/J B Rose
Wind
Gust
22mph Suffolk
and 2 other locations
Heat
Index
101° Williamsburg
and 3 other locations
High
Pressure
30.14Hg Hot Springs
and 2 other locations
Low
Pressure
29.87Hg Williamsburg
and 3 other locations
Average temperature in Virginia 80°
# Locations Reporting Rain 9
# Locations Reporting Thunderstorms 4
# Locations Reporting MVFR
(Marginal Visual Flight Rules)
3
# Locations Reporting VFR
(Visual Flight Rules)
63