Detailed Weather Conditions

Location: Chantilly, VA, USA
Longitude: 77º 29.133' Latitude: 38º 54.286'"
Elevation: 303 feet

Russ' Weather Station, Ridings at Blue Spring

Current Conditions

Almanac

Last Updated: 6:30pm on 4/11/25
Outside Temperature: 47.1°F
Today's High: 50.5°F at 12:00am
Lo: 45.9°F at 6:10am
Barometric Trend: Steady
Moonrise:   6:44pm   Moonset:  5:57am
Sunrise : 6:37am  Sunset: 7:42pm
Outdoor Temperature Indoor Temperature

Current: 47.1°F
High: 50.5°F at 12:00am Lo: 45.9°F at 6:10am
Average (day): 47.1°F

Rates:
Current: 0.04°F/hr
High: 0.44°F/hr at 9:53am
Lo: -1.15°F/hr at 2:49am

Current: 70.6°F
High: 71.6°F at 12:00am Lo: 70.6°F at 2:52pm
Average (day): 70.6°F

Rates:
Current: -0.01°F/hr
High: 0.19°F/hr at 9:20am
Lo: -0.29°F/hr at 5:32am

Outdoor Humidity Indoor Humidity

Current: 99%
High: 99% at 4:30pm Lo: 84% at 12:00am
Average (day): 99%

Rates:
Current: 0.2%/hr
High: 5.9%/hr at 5:00am
Lo: -0.8%/hr at 1:39pm

Current: 41%
High: 41% at 3:30pm Lo: 39% at 12:00am
Average (day): 41%

Rates:
Current: 0.1%/hr
High: 1.0%/hr at 3:30pm
Lo: -0.4%/hr at 4:25pm

Dew Point Wind Chill

Current: 46.8°F
High: 46.9°F at 4:30pm Lo: 43.9°F at 5:30am
Average (day): 46.8°F

Rates:
Current: 0.09°F/hr
High: 1.11°F/hr at 5:00am
Lo: -0.88°F/hr at 2:49am

Current: 47.1°F
High: 50.5°F at 12:00am Lo: 43.0°F at 7:46am
Average (day): 47.1°F

Rates:
Current: 0.06°F/hr
High: 0.46°F/hr at 9:53am
Lo: -3.05°F/hr at 7:46am

Heat Index Indoor Comfort Index

Current: 54.1°F
High: 55.4°F at 12:26am Lo: 52.0°F at 6:10am
Average (day): 54.1°F

Rates:
Current: 0.07°F/hr
High: 0.56°F/hr at 9:57am
Lo: -1.03°F/hr at 2:49am

Current: 70.6°F
High: 71.5°F at 12:15am Lo: 70.5°F at 2:52pm
Average (day): 70.6°F

Rates:
Current: -0.00°F/hr
High: 0.19°F/hr at 9:20am
Lo: -0.29°F/hr at 5:32am

Barometer Wind Direction

Current: 29.96in
High: 30.10in at 12:00am Lo: 29.95in at 4:54pm
Average (day): 29.96in

Rates:
Current: -0.004in/hr
High: 0.007in/hr at 8:34am
Lo: -0.028in/hr at 2:30am

Current: ENE
High: 288° at 1:31am Lo: 0° at 12:15am
Average (day): 74°

Rates:
Current: -3.7°/hr
High: 195.1°/hr at 1:31am
Lo: -33.7°/hr at 2:10am

Wind Speed Wind Gust (10 minute intervals)

Current: 0.0mph
High: 6.0mph at 7:46am Lo: 0.0mph at 12:00am
Average (day): 0.3mph

Rates:
Current: -0.3mph/hr
High: 5.9mph/hr at 7:46am
Lo: -0.4mph/hr at 12:42pm

Current: 0.0mph
High: 6.0mph at 7:46am Lo: 0.0mph at 12:00am
Average (day): 0.5mph

Rates:
Current: -0.5mph/hr
High: 5.7mph/hr at 7:46am
Lo: -0.9mph/hr at 12:43pm

Rainfall  

Rainfall (Daily): 0.36in (Hourly) 0.10
Rainfall Rate:  0.100in/hr

 

Official Observations
Washington Dulles International Airport (KIAD) Manassas, VA (KHEF)

Last Updated: mtr003KIAD
Temperature: mtr004KIAD°F
Dew Point: mtr005KIAD°F
Wind Chill: mtr016KIAD°F
Heat Index: mtr017KIAD°F
Relative Humidity: mtr006KIAD%
Pressure: mtr007KIADin
Wind Direction: mtr008KIAD
Wind Speed: mtr009KIADmph
Wind Gust: mtr010KIADmph
Visibility: mtr011KIAD miles
Cloud Height: mtr012KIAD x 1000 ft
Sky Conditions: mtr013KIAD
Weather: mtr014KIAD

Last Updated: mtr003KHEF
Temperature: mtr004KHEF°F
Dew Point: mtr005KHEF°F
Wind Chill: mtr016KHEF°F
Heat Index: mtr017KHEF°F
Relative Humidity: mtr006KHEF%
Pressure: mtr007KHEFin
Wind Direction: mtr008KHEF
Wind Speed: mtr009KHEFmph
Wind Gust: mtr010KHEFmph
Visibility: mtr011KHEF miles
Cloud Height: mtr012KHEF x 1000 ft
Sky Conditions: mtr013KHEF
Weather: mtr014KHEF

Wash DC Reagan Nat'l Airport (KDCA) Leesburg, VA (KJYO)

Last Updated: mtr003KDCA
Temperature: mtr004KDCA°F
Dew Point: mtr005KDCA°F
Wind Chill: mtr016KDCA°F
Heat Index: mtr017KDCA°F
Relative Humidity: mtr006KDCA%
Pressure: mtr007KDCAin
Wind Direction: mtr008KDCA
Wind Speed: mtr009KDCAmph
Wind Gust: mtr010KDCAmph
Visibility: mtr011KDCA miles
Cloud Height: mtr012KDCA x 1000 ft
Sky Conditions: mtr013KDCA
Weather: mtr014KDCA

Last Updated: mtr003KJYO
Temperature: mtr004KJYO°F
Dew Point: mtr005KJYO°F
Wind Chill: mtr016KJYO°F
Heat Index: mtr017KJYO°F
Relative Humidity: mtr006KJYO%
Pressure: mtr007KJYOin
Wind Direction: mtr008KJYO
Wind Speed: mtr009KJYOmph
Wind Gust: mtr010KJYOmph
Visibility: mtr011KJYO miles
Cloud Height: mtr012KJYO x 1000 ft
Sky Conditions: mtr013KJYO
Weather: mtr014KJYO

Ocean City, MD (KOXB) Madison, WI (KJVL)

Last Updated: mtr003KOXB
Temperature: mtr004KOXB°F
Dew Point: mtr005KOXB°F
Wind Chill: mtr016KOXB°F
Heat Index: mtr017KOXB°F
Relative Humidity: mtr006KOXB%
Pressure: mtr007KOXBin
Wind Direction: mtr008KOXB
Wind Speed: mtr009KOXBmph
Wind Gust: mtr010KOXBmph
Visibility: mtr011KOXB miles
Cloud Height: mtr012KOXB x 1000 ft
Sky Conditions: mtr013KOXB
Weather: mtr014KOXB

Last Updated: mtr003KMSN
Temperature: mtr004KMSN°F
Dew Point: mtr005KMSN°F
Wind Chill: mtr016KMSN°F
Heat Index: mtr017KMSN°F
Relative Humidity: mtr006KMSN%
Pressure: mtr007KMSNin
Wind Direction: mtr008KMSN
Wind Speed: mtr009KMSNmph
Wind Gust: mtr010KMSNmph
Visibility: mtr011KMSN miles
Cloud Height: mtr012KMSN x 1000 ft
Sky Conditions: mtr013KMSN
Weather: mtr014KMSN

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Last Update 05/22/06