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Current weather in Fort Belvoir is few clouds.

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Weather data for Fort Belvoir is updated regularly with the latest available observations and forecasts.

Now · 7:39 AM

Fort Belvoir Weather & Hourly Forecast

United States · Virginia · 22060

66°F

Mostly sunny

Feels like: 67°F

💧 Humidity 89% 🌡 Pressure 29.94 inHg 💨 Wind 6 mph 👁 Visibility 14.0 mi ☁ Clouds 17% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Fort Belvoir

Today

8:00 AM

Mostly sunny

66° 💧 None 💨 6 mph H 89%29.94 inHg

11:00 AM

Sunny

77° 💧 0.000 in 💨 4 mph H 58%29.97 inHg

2:00 PM

Mostly sunny

83° 💧 0.000 in 💨 4 mph H 43%29.94 inHg

5:00 PM

Mostly sunny

82° 💧 None 💨 8 mph H 43%29.91 inHg

8:00 PM

Partly cloudy night

73° 💧 None 💨 2 mph H 70%29.94 inHg

11:00 PM

Mostly clear night

71° 💧 None 💨 4 mph H 72%30.03 inHg

Tomorrow

2:00 AM

Mostly clear night

66° 💧 None 💨 5 mph H 78%30.06 inHg

5:00 AM

Clear night

64° 💧 None 💨 4 mph H 89%30.09 inHg

8:00 AM

Sunny

66° 💧 0.000 in 💨 5 mph H 84%30.15 inHg

11:00 AM

Sunny

77° 💧 None 💨 4 mph H 63%30.18 inHg

2:00 PM

Mostly sunny

82° 💧 None 💨 3 mph H 43%30.15 inHg

5:00 PM

Sunny

82° 💧 None 💨 1 mph H 38%30.12 inHg

8:00 PM

Partly cloudy night

72° 💧 None 💨 5 mph H 63%30.15 inHg

11:00 PM

Clear night

67° 💧 None 💨 3 mph H 67%30.21 inHg

Tuesday

2:00 AM

Clear night

64° 💧 None 💨 3 mph H 83%30.24 inHg

5:00 AM

Mostly clear night

62° 💧 None 💨 4 mph H 89%30.24 inHg

Today

8:00 AM

Mostly sunny

66° 💧 None 💨 6 mph H 89%29.94 inHg

9:00 AM

Mostly sunny

69° 💧 None 💨 4 mph H 80%29.97 inHg

10:00 AM

Partly cloudy

73° 💧 None 💨 4 mph H 69%29.97 inHg

11:00 AM

Sunny

77° 💧 None 💨 4 mph H 58%29.97 inHg

12:00 PM

Mostly sunny

79° 💧 None 💨 4 mph H 51%29.97 inHg

1:00 PM

Mostly sunny

81° 💧 0.000 in 💨 5 mph H 47%29.94 inHg

2:00 PM

Mostly sunny

83° 💧 0.000 in 💨 4 mph H 43%29.94 inHg

3:00 PM

Mostly sunny

84° 💧 None 💨 5 mph H 40%29.91 inHg

4:00 PM

Sunny

84° 💧 None 💨 7 mph H 39%29.91 inHg

5:00 PM

Mostly sunny

82° 💧 None 💨 8 mph H 43%29.91 inHg

6:00 PM

Mostly sunny

79° 💧 None 💨 8 mph H 51%29.91 inHg

7:00 PM

Sunny

76° 💧 None 💨 4 mph H 60%29.94 inHg

8:00 PM

Partly cloudy night

73° 💧 None 💨 2 mph H 70%29.94 inHg

9:00 PM

Partly cloudy night

73° 💧 None 💨 1 mph H 73%29.97 inHg

10:00 PM

Mostly clear night

72° 💧 None 💨 3 mph H 74%30.00 inHg

11:00 PM

Mostly clear night

71° 💧 None 💨 4 mph H 72%30.03 inHg

Tomorrow

12:00 AM

Clear night

69° 💧 None 💨 5 mph H 72%30.03 inHg

1:00 AM

Clear night

68° 💧 None 💨 5 mph H 74%30.06 inHg

2:00 AM

Mostly clear night

66° 💧 None 💨 5 mph H 78%30.06 inHg

3:00 AM

Clear night

65° 💧 None 💨 5 mph H 83%30.06 inHg

4:00 AM

Clear night

65° 💧 None 💨 5 mph H 86%30.06 inHg

5:00 AM

Clear night

64° 💧 None 💨 4 mph H 89%30.09 inHg

6:00 AM

Clear night

63° 💧 None 💨 4 mph H 91%30.09 inHg

7:00 AM

Sunny

63° 💧 None 💨 5 mph H 91%30.12 inHg

8:00 AM

Sunny

66° 💧 None 💨 5 mph H 84%30.15 inHg

9:00 AM

Sunny

70° 💧 0.000 in 💨 5 mph H 77%30.15 inHg

10:00 AM

Sunny

74° 💧 None 💨 5 mph H 73%30.15 inHg

11:00 AM

Sunny

77° 💧 None 💨 4 mph H 63%30.18 inHg

12:00 PM

Mostly sunny

79° 💧 None 💨 4 mph H 50%30.18 inHg

1:00 PM

Mostly sunny

81° 💧 None 💨 4 mph H 45%30.15 inHg

2:00 PM

Mostly sunny

82° 💧 None 💨 3 mph H 43%30.15 inHg

3:00 PM

Mostly sunny

82° 💧 None 💨 2 mph H 40%30.12 inHg

4:00 PM

Mostly sunny

82° 💧 None 💨 2 mph H 39%30.12 inHg

5:00 PM

Sunny

82° 💧 None 💨 1 mph H 38%30.12 inHg

6:00 PM

Mostly sunny

81° 💧 None 💨 3 mph H 40%30.12 inHg

7:00 PM

Mostly cloudy

76° 💧 None 💨 7 mph H 54%30.12 inHg

8:00 PM

Partly cloudy night

72° 💧 None 💨 5 mph H 63%30.15 inHg

9:00 PM

Clear night

70° 💧 None 💨 4 mph H 66%30.18 inHg

10:00 PM

Clear night

68° 💧 None 💨 3 mph H 67%30.21 inHg

11:00 PM

Clear night

67° 💧 None 💨 3 mph H 67%30.21 inHg

Tuesday

12:00 AM

Clear night

66° 💧 None 💨 2 mph H 70%30.21 inHg

1:00 AM

Clear night

65° 💧 None 💨 3 mph H 75%30.24 inHg

2:00 AM

Clear night

64° 💧 None 💨 3 mph H 83%30.24 inHg

3:00 AM

Clear night

64° 💧 None 💨 5 mph H 85%30.24 inHg

4:00 AM

Clear night

63° 💧 None 💨 4 mph H 87%30.24 inHg

5:00 AM

Mostly clear night

62° 💧 None 💨 4 mph H 89%30.24 inHg

6:00 AM

Mostly clear night

62° 💧 None 💨 4 mph H 91%30.27 inHg

7:00 AM

Mostly cloudy

62° 💧 None 💨 4 mph H 92%30.27 inHg

8:00 AM

Partly cloudy

66° 💧 None 💨 3 mph H 85%30.30 inHg

9:00 AM

Mostly sunny

70° 💧 None 💨 4 mph H 73%30.30 inHg

10:00 AM

Mostly sunny

75° 💧 None 💨 5 mph H 63%30.30 inHg

11:00 AM

Sunny

79° 💧 None 💨 6 mph H 55%30.30 inHg

12:00 PM

Mostly sunny

81° 💧 None 💨 6 mph H 49%30.27 inHg

1:00 PM

Mostly sunny

83° 💧 None 💨 6 mph H 45%30.24 inHg

2:00 PM

Partly cloudy

85° 💧 None 💨 5 mph H 41%30.24 inHg

3:00 PM

Partly cloudy

86° 💧 None 💨 6 mph H 39%30.21 inHg

4:00 PM

Mostly sunny

85° 💧 None 💨 6 mph H 39%30.21 inHg

5:00 PM

Mostly cloudy

85° 💧 None 💨 6 mph H 40%30.21 inHg

6:00 PM

Overcast

83° 💧 None 💨 5 mph H 43%30.21 inHg

7:00 PM

Mostly cloudy

79° 💧 None 💨 5 mph H 53%30.21 inHg

8:00 PM

Mostly clear night

75° 💧 None 💨 7 mph H 58%30.21 inHg

11:00 PM

Clear night

71° 💧 None 💨 8 mph H 63%30.24 inHg

Wednesday

2:00 AM

Mostly clear night

68° 💧 None 💨 6 mph H 63%30.24 inHg

5:00 AM

Partly cloudy night

65° 💧 None 💨 6 mph H 72%30.21 inHg

8:00 AM

Sunny

68° 💧 None 💨 6 mph H 74%30.24 inHg

11:00 AM

Mostly cloudy

81° 💧 None 💨 7 mph H 60%30.18 inHg

2:00 PM

Mostly sunny

89° 💧 None 💨 9 mph H 45%30.09 inHg

5:00 PM

Partly cloudy

90° 💧 None 💨 8 mph H 41%30.03 inHg

8:00 PM

Mostly clear night

83° 💧 None 💨 7 mph H 58%30.00 inHg

11:00 PM

Clear night

79° 💧 None 💨 9 mph H 67%30.00 inHg

Thursday

2:00 AM

Clear night

78° 💧 None 💨 9 mph H 69%29.94 inHg

5:00 AM

Clear night

75° 💧 None 💨 8 mph H 78%29.91 inHg

8:00 AM

Sunny

76° 💧 None 💨 6 mph H 79%29.94 inHg

11:00 AM

Sunny

88° 💧 None 💨 6 mph H 53%29.91 inHg

2:00 PM

Partly cloudy

95° 💧 None 💨 8 mph H 39%29.80 inHg

5:00 PM

Light rain

76° 💧 None 💨 8 mph H 95%29.80 inHg

8:00 PM

Moderate rain

75° 💧 None 💨 7 mph H 89%29.83 inHg

11:00 PM

Overcast night

72° 💧 None 💨 6 mph H 92%29.85 inHg

Friday

2:00 AM

Mostly clear night

70° 💧 None 💨 8 mph H 90%29.85 inHg

5:00 AM

Clear night

67° 💧 None 💨 8 mph H 92%29.88 inHg

8:00 AM

Sunny

67° 💧 None 💨 5 mph H 88%29.94 inHg

11:00 AM

Sunny

76° 💧 None 💨 5 mph H 53%29.97 inHg

2:00 PM

Sunny

81° 💧 None 💨 5 mph H 42%29.91 inHg

5:00 PM

Sunny

81° 💧 None 💨 3 mph H 43%29.88 inHg

8:00 PM

Clear night

73° 💧 None 💨 3 mph H 63%29.91 inHg

Saturday

2:00 AM

Mostly cloudy night

67° 💧 None 💨 4 mph H 81%29.97 inHg

8:00 AM

Overcast

69° 💧 None 💨 5 mph H 85%30.00 inHg

2:00 PM

Sunny

83° 💧 None 💨 7 mph H 61%29.97 inHg

8:00 PM

Mostly cloudy night

76° 💧 None 💨 4 mph H 84%30.00 inHg

Sunday

2:00 AM

Mostly clear night

72° 💧 None 💨 4 mph H 95%30.06 inHg

8:00 AM

Overcast

72° 💧 None 💨 3 mph H 99%30.12 inHg

2:00 PM

Mostly sunny

88° 💧 None 💨 5 mph H 55%30.09 inHg

8:00 PM

Clear night

81° 💧 None 💨 5 mph H 70%30.09 inHg

Monday

2:00 AM

Clear night

75° 💧 None 💨 6 mph H 94%30.09 inHg

8:00 AM

Mostly sunny

76° 💧 None 💨 5 mph H 90%30.09 inHg

2:00 PM

Mostly sunny

96° 💧 None 💨 1 mph H 41%30.03 inHg

8:00 PM

Mostly clear night

86° 💧 None 💨 5 mph H 60%29.97 inHg

Tuesday

2:00 AM

Clear night

80° 💧 None 💨 6 mph H 79%30.00 inHg

8:00 AM

Sunny

79° 💧 None 💨 4 mph H 80%30.00 inHg

2:00 PM

Mostly sunny

98° 💧 None 💨 6 mph H 39%29.94 inHg

8:00 PM

Moderate rain

77° 💧 None 💨 14 mph H 93%29.97 inHg

Wednesday

2:00 AM

Mostly clear night

76° 💧 None 💨 5 mph H 94%29.97 inHg

8:00 AM

Partly cloudy

73° 💧 None 💨 9 mph H 84%30.06 inHg

2:00 PM

Mostly sunny

83° 💧 None 💨 7 mph H 37%30.06 inHg

8:00 PM

Mostly clear night

75° 💧 None 💨 4 mph H 58%30.09 inHg

Thursday

2:00 AM

Partly cloudy night

67° 💧 None 💨 9 mph H 61%30.15 inHg

8:00 AM

Partly cloudy

61° 💧 None 💨 7 mph H 66%30.24 inHg

2:00 PM

Overcast

74° 💧 None 💨 5 mph H 44%30.21 inHg

8:00 PM

Partly cloudy night

68° 💧 None 💨 5 mph H 59%30.15 inHg

Friday

2:00 AM

Clear night

64° 💧 None 💨 5 mph H 83%30.15 inHg

8:00 AM

Sunny

65° 💧 None 💨 5 mph H 82%30.15 inHg

2:00 PM

Overcast

79° 💧 None 💨 5 mph H 49%30.09 inHg

8:00 PM

Overcast night

75° 💧 None 💨 6 mph H 61%30.03 inHg

Saturday

2:00 AM

Overcast night

68° 💧 None 💨 4 mph H 79%30.00 inHg

8:00 AM

Mostly cloudy

71° 💧 None 💨 4 mph H 84%29.97 inHg

2:00 PM

Partly cloudy

85° 💧 None 💨 6 mph H 56%29.88 inHg

8:00 PM

Moderate rain

74° 💧 None 💨 8 mph H 90%29.85 inHg

Sunday

2:00 AM

Overcast night

71° 💧 None 💨 9 mph H 95%29.88 inHg

8:00 AM

Sunny

64° 💧 None 💨 9 mph H 76%30.00 inHg

2:00 PM

Sunny

78° 💧 None 💨 6 mph H 33%30.00 inHg

8:00 PM

Mostly clear night

72° 💧 None 💨 10 mph H 43%30.00 inHg

In Fort Belvoir and, more broadly, across the state of Virginia: This morning, skies are mostly cloudy with mild temperatures ranging from 64 to 72 degrees Fahrenheit. Winds are light from the northeast at around 4 mph, with occasional gusts reaching up to 9 mph. As the day progresses into the afternoon, the cloudy conditions are expected to persist with no significant rainfall anticipated. Temperatures will remain steady within the same mild range, providing comfortable conditions. Winds will continue to be gentle, maintaining a northeast direction at similar speeds. Overall, it’s a calm day with mild temperatures and mostly cloudy skies, with no major weather disruptions expected.

15-Day Weather Outlook for Fort Belvoir

TomorrowTomorrow

Partly cloudy 82°/63° 💧 None 💨 7 mph

Tuesday, Sep 8Tue Sep 8

Partly cloudy 86°/62° 💧 None 💨 6 mph

Wednesday, Sep 9Wed Sep 9

Mostly sunny 90°/65° 💧 0.032 in 💨 9 mph

Thursday, Sep 10Thu Sep 10

Light rain 95°/75° 💧 0.255 in 💨 9 mph

Friday, Sep 11Fri Sep 11

Moderate rain 81°/67° 💧 0.067 in 💨 8 mph

Saturday, Sep 12Sat Sep 12

Overcast 83°/67° 💧 0.062 in 💨 7 mph

Sunday, Sep 13Sun Sep 13

Mostly cloudy 88°/72° 💧 0.019 in 💨 5 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 96°/75° 💧 0.001 in 💨 6 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 98°/79° 💧 0.001 in 💨 6 mph

Wednesday, Sep 16Wed Sep 16

Moderate rain 83°/73° 💧 0.248 in 💨 14 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 75°/61° 💧 None 💨 9 mph

Friday, Sep 18Fri Sep 18

Partly cloudy 79°/64° 💧 None 💨 5 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 85°/68° 💧 0.023 in 💨 6 mph

Sunday, Sep 20Sun Sep 20

Moderate rain 78°/64° 💧 0.131 in 💨 9 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 72°/72° 💧 None 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Fort Belvoir

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Fort Belvoir

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 8:00 AM

PM2.5 Fine particles Good 5,1µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 5,9µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 21,0µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 4,1µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Fort Belvoir

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 6,0High 😊Good

Tomorrow UV 6,9High 🙂Fair

Tuesday UV 7,1High 😐Moderate

Wednesday UV 7,7High 🙂Fair

Thursday UV 8,0Very high 🙂Fair

Friday UV 6,0High —Unavailable

Saturday UV 7,0High —Unavailable

Hourly UV index today

8:00 AMUV 0,1 9:00 AMUV 0,5 10:00 AMUV 1,2 11:00 AMUV 2,3 12:00 PMUV 4,8 1:00 PMUV 6,0 2:00 PMUV 5,4 3:00 PMUV 4,7 4:00 PMUV 3,4 5:00 PMUV 1,7 6:00 PMUV 0,6 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Fort Belvoir

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · FORT BELVOIR, VIRGINIA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

97/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:03 PM–5:11 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 21% Waning Crescent · Moon about 26° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 87° high at the best hour.

✦ Estimated visible meteors 2–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min76%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Fort Belvoir were last refreshed today at 7:39 AM. The current forecast period extends through 08/09/2026 at 5:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.