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Chantilly VA Weather - Mostly Clear - 70°F
Mostly Clear
70°F
Updated 3:19 am
Feels Like 78°F
Humidity 96%
Wind N 0 mph
Barometer  29.88 in
Dew Point 69°F
Chantilly VA Weather - Mostly Clear - 21°C
Mostly Clear
21°C
Updated 3:19 am
Feels Like 26°C
Humidity 96%
Wind N 0 km/h
Barometer  101.2 kPa
Dew Point 21°C
Chantilly, VA Weather and Current Conditionschantilly va weather forecast

Chantilly, VA Weather Forecast

Chantilly Virginia WeatherChantilly, Virginia Weather Weather Forecast
14 day API Chantilly, VA weather forecast. Note. Our 7-day weather forecast for Chantilly, Virginia is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Chantilly, VA Weather Forecast Dated: 319 AM Sat Sep 05 2026
Expect a very warm period with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and a stable pattern will dominate.

Saturday, September 5, 2026

Mid-Morning
Chantilly Weather - 2026-09-05 - Morning - Overcast
73°F 23°C
Overcast
Mid-Afternoon
Chantilly Weather - 2026-09-05 - Afternoon - Light Showers
77°F 25°C
Light Showers
Early-Evening
Chantilly Weather - 2026-09-05 - Evening - Scattered Showers
75°F 24°C
Scattered Showers
Pleasant near 77°F 25°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.

Sunday, September 6, 2026

Mid-Morning
Chantilly Weather - 2026-09-06 - Morning - Overcast
66°F 19°C
Overcast
Mid-Afternoon
Chantilly Weather - 2026-09-06 - Afternoon - Cloudy
81°F 27°C
Cloudy
Early-Evening
Chantilly Weather - 2026-09-06 - Evening - Sunny
74°F 24°C
Sunny
Balmy with temperatures reaching 81°F 27°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds turning from the NNE to the ENE at 7 mph 11 km/h.

Monday, September 7, 2026

Mid-Morning
Chantilly Weather - 2026-09-07 - Morning - Sunny
66°F 19°C
Sunny
Mid-Afternoon
Chantilly Weather - 2026-09-07 - Afternoon - Sunny
82°F 28°C
Sunny
Early-Evening
Chantilly Weather - 2026-09-07 - Evening - Sunny
75°F 24°C
Sunny
Quite warm around 82°F 28°C, sunny throughout the day, with lower humidity and steady pressure.

Tuesday, September 8, 2026

Mid-Morning
Chantilly Weather - 2026-09-08 - Morning - Partly Cloudy
68°F 20°C
Partly Cloudy
Mid-Afternoon
Chantilly Weather - 2026-09-08 - Afternoon - Partly Cloudy
85°F 29°C
Partly Cloudy
Early-Evening
Chantilly Weather - 2026-09-08 - Evening - Overcast
79°F 26°C
Overcast
Warm temperatures up to 85°F 29°C, partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure.

Wednesday, September 9, 2026

Mid-Morning
Chantilly Weather - 2026-09-09 - Morning - Sunny
69°F 21°C
Sunny
Mid-Afternoon
Chantilly Weather - 2026-09-09 - Afternoon - Sunny
90°F 32°C
Sunny
Early-Evening
Chantilly Weather - 2026-09-09 - Evening - Sunny
84°F 29°C
Sunny
Very hot with a high of 90°F 32°C, partly cloudy through the afternoon, turning sunny this evening, with lower humidity and barometric pressure falling. Winds switching from the SW to the SSW at 9 mph 14 km/h. Gusts up to 21 mph 33 km/h.

Thursday, September 10, 2026

Mid-Morning
Chantilly Weather - 2026-09-10 - Morning - Overcast
77°F 25°C
Overcast
Mid-Afternoon
Chantilly Weather - 2026-09-10 - Afternoon - Cloudy
86°F 30°C
Cloudy
Early-Evening
Chantilly Weather - 2026-09-10 - Evening - Sunny
76°F 25°C
Sunny
Warm and summery near 86°F 30°C, partly cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure. Winds moving from the NW to the NNW at 12 mph 20 km/h. Gusts up to 24 mph 38 km/h.

Friday, September 11, 2026

Mid-Morning
Chantilly Weather - 2026-09-11 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Chantilly Weather - 2026-09-11 - Afternoon - Sunny
74°F 24°C
Sunny
Early-Evening
Chantilly Weather - 2026-09-11 - Evening - Sunny
67°F 20°C
Sunny
Comfortable with temperatures reaching 74°F 24°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds swinging from the NNW to the NE at 7 mph 12 km/h.

Saturday, September 12, 2026

Mid-Morning
Chantilly Weather - 2026-09-12 - Morning - Partly Cloudy
58°F 14°C
Partly Cloudy
Mid-Afternoon
Chantilly Weather - 2026-09-12 - Afternoon - Sunny
75°F 24°C
Sunny
Early-Evening
Chantilly Weather - 2026-09-12 - Evening - Cloudy
69°F 21°C
Cloudy
Enjoyable around 75°F 24°C, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with lower humidity and steady pressure.

Sunday, September 13, 2026

Mid-Morning
Chantilly Weather - 2026-09-13 - Morning - Cloudy
63°F 17°C
Cloudy
Mid-Afternoon
Chantilly Weather - 2026-09-13 - Afternoon - Partly Cloudy
82°F 28°C
Partly Cloudy
Early-Evening
Chantilly Weather - 2026-09-13 - Evening - Overcast
76°F 24°C
Overcast
Warm temperatures up to 82°F 28°C, partly cloudy through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds shifting from the S to the SSE at 8 mph 13 km/h.

Monday, September 14, 2026

Mid-Morning
Chantilly Weather - 2026-09-14 - Morning - Partly Cloudy
67°F 19°C
Partly Cloudy
Mid-Afternoon
Chantilly Weather - 2026-09-14 - Afternoon - Overcast
85°F 29°C
Overcast
Early-Evening
Chantilly Weather - 2026-09-14 - Evening - Overcast
79°F 26°C
Overcast
Very warm with a high of 85°F 29°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure.

Tuesday, September 15, 2026

Mid-Morning
Chantilly Weather - 2026-09-15 - Morning - Overcast
71°F 22°C
Overcast
Mid-Afternoon
Chantilly Weather - 2026-09-15 - Afternoon - Sunny
88°F 31°C
Sunny
Early-Evening
Chantilly Weather - 2026-09-15 - Evening - Sunny
81°F 28°C
Sunny
Warm and summery near 88°F 31°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.

Wednesday, September 16, 2026

Mid-Morning
Chantilly Weather - 2026-09-16 - Morning - Sunny
73°F 23°C
Sunny
Mid-Afternoon
Chantilly Weather - 2026-09-16 - Afternoon - Partly Cloudy
88°F 31°C
Partly Cloudy
Early-Evening
Chantilly Weather - 2026-09-16 - Evening - Partly Cloudy
80°F 27°C
Partly Cloudy
Balmy with temperatures reaching 88°F 31°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling.

Thursday, September 17, 2026

Mid-Morning
Chantilly Weather - 2026-09-17 - Morning - Overcast
71°F 22°C
Overcast
Mid-Afternoon
Chantilly Weather - 2026-09-17 - Afternoon - Overcast
87°F 31°C
Overcast
Early-Evening
Chantilly Weather - 2026-09-17 - Evening - Overcast
81°F 27°C
Overcast
Quite warm around 87°F 31°C, overcast throughout the day, with lower humidity and barometric pressure falling.

Friday, September 18, 2026

Mid-Morning
Chantilly Weather - 2026-09-18 - Morning - Sunny
74°F 23°C
Sunny
Mid-Afternoon
Chantilly Weather - 2026-09-18 - Afternoon - Overcast
81°F 27°C
Overcast
Early-Evening
Chantilly Weather - 2026-09-18 - Evening - Overcast
70°F 21°C
Overcast
Warm temperatures up to 81°F 27°C, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the NW to the NNW at 15 mph 24 km/h. Gusts up to 24 mph 38 km/h.

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Weather by the Numbers

Sat, 5th
Chantilly VA Weather - Saturday, Sep 5, 2026 - Patchy Rain Nearby
Hi: 84°F 29°C
Lo: 68°F 20°C
Sunrise 06:42 AM
Sunset 07:34 PM
Wind NNW 5 mph8 km/h
Dew Point 68°F20°C
uv Index 4
Barometric Pressure 29.85 in1011 mb
POP 25% *
Humidity 67%
Sun, 6th
Chantilly VA Weather - Sunday, Sep 6, 2026 - Cloudy
Hi: 81°F 27°C
Lo: 62°F 17°C
Sunrise 06:43 AM
Sunset 07:33 PM
Wind NNE 6 mph9 km/h
Dew Point 57°F14°C
uv Index 3
Barometric Pressure 30 in1016 mb
POP 10% *
Humidity 63%
Mon, 7th
Chantilly VA Weather - Monday, Sep 7, 2026 - Partly Cloudy
Hi: 82°F 28°C
Lo: 62°F 17°C
Sunrise 06:44 AM
Sunset 07:31 PM
Wind NE 3 mph5 km/h
Dew Point 57°F14°C
uv Index 6
Barometric Pressure 30.18 in1022 mb
POP 4% *
Humidity 49%
Tue, 8th
Chantilly VA Weather - Tuesday, Sep 8, 2026 - Sunny
Hi: 86°F 30°C
Lo: 61°F 16°C
Sunrise 06:45 AM
Sunset 07:29 PM
Wind SSW 6 mph10 km/h
Dew Point 59°F15°C
uv Index 6
Barometric Pressure 30.27 in1025 mb
POP 2% *
Humidity 50%
Wed, 9th
Chantilly VA Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 93°F 34°C
Lo: 63°F 17°C
Sunrise 06:46 AM
Sunset 07:28 PM
Wind SSW 8 mph13 km/h
Dew Point 57°F14°C
uv Index 7
Barometric Pressure 30.15 in1021 mb
POP 1% *
Humidity 40%
Thu, 10th
Chantilly VA Weather - Thursday, Sep 10, 2026 - Overcast
Hi: 88°F 31°C
Lo: 65°F 19°C
Sunrise 06:47 AM
Sunset 07:26 PM
Wind NW 14 mph23 km/h
Dew Point 51°F11°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 9% *
Humidity 34%
Fri, 11th
Chantilly VA Weather - Friday, Sep 11, 2026 - Sunny
Hi: 79°F 26°C
Lo: 60°F 16°C
Sunrise 06:48 AM
Sunset 07:25 PM
Wind NNW 10 mph15 km/h
Dew Point 43°F6°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 40%
Sat, 12th
Chantilly VA Weather - Saturday, Sep 12, 2026 - Cloudy
Hi: 78°F 26°C
Lo: 60°F 16°C
Sunrise 06:48 AM
Sunset 07:23 PM
Wind ESE 3 mph5 km/h
Dew Point 41°F5°C
uv Index 5
Barometric Pressure 30.24 in1024 mb
POP 4% *
Humidity 35%
Sun, 13th
Chantilly VA Weather - Sunday, Sep 13, 2026 - Sunny
Hi: 75°F 24°C
Lo: 50°F 10°C
Sunrise 06:49 AM
Sunset 07:21 PM
Wind S 9 mph15 km/h
Dew Point 54°F12°C
uv Index 6
Barometric Pressure 30.27 in1025 mb
POP 6% *
Humidity 47%
Mon, 14th
Chantilly VA Weather - Monday, Sep 14, 2026 - Overcast
Hi: 79°F 26°C
Lo: 54°F 12°C
Sunrise 06:50 AM
Sunset 07:20 PM
Wind S 5 mph9 km/h
Dew Point 56°F13°C
uv Index 6
Barometric Pressure 30.3 in1026 mb
POP 7% *
Humidity 46%
Tue, 15th
Chantilly VA Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 83°F 28°C
Lo: 57°F 14°C
Sunrise 06:51 AM
Sunset 07:18 PM
Wind S 4 mph6 km/h
Dew Point 57°F14°C
uv Index 7
Barometric Pressure 30.3 in1026 mb
POP 6% *
Humidity 42%
Wed, 16th
Chantilly VA Weather - Wednesday, Sep 16, 2026 - Cloudy
Hi: 88°F 31°C
Lo: 59°F 15°C
Sunrise 06:52 AM
Sunset 07:17 PM
Wind SSE 6 mph9 km/h
Dew Point 60°F15°C
uv Index 6
Barometric Pressure 30.24 in1024 mb
POP 3% *
Humidity 45%
Thu, 17th
Chantilly VA Weather - Thursday, Sep 17, 2026 - Overcast
Hi: 95°F 35°C
Lo: 64°F 18°C
Sunrise 06:53 AM
Sunset 07:15 PM
Wind S 6 mph9 km/h
Dew Point 57°F14°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 10% *
Humidity 43%
Fri, 18th
Chantilly VA Weather - Friday, Sep 18, 2026 - Patchy Rain Nearby
Hi: 88°F 31°C
Lo: 68°F 20°C
Sunrise 06:54 AM
Sunset 07:13 PM
Wind NNW 15 mph24 km/h
Dew Point 51°F10°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 2% *
Humidity 38%
* POP = Probability of Precipitation. Data for 12:00 PM.