Weather Forecast for Manassas
Virginia, United States of America
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Current Weather - Manassas: 23°C
Current Weather - Manassas: 23°C
Virginia, United States of America
Sunny
Feels like 25°C
Wind
14 km/h N
Humidity
53%
Pressure
1022 mb
UV Index
7
Visibility
16 km
Sunny
Thursday, July 23, 2026
High
30°C
Low
17°C
Rain Chance
4%
Hourly Forecast
29°C
28°C
24°C
20°C
19°C
18°C
17°C
Day Statistics
Maximum Wind
14 km/h
Humidity
61%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
4%
Snow Chance
0%
Sun & Moon
Sunrise
06:03 AM
Sunset
08:29 PM
Moonrise
04:21 PM
Moonset
12:58 AM
Moon Phase
Waxing Gibbous
Moon Illumination
74%
Air Quality
PM2.5
4.6
μg/m³
PM10
4.7
μg/m³
NO₂
4.6
μg/m³
O₃
84.5
μg/m³
SO₂
0.9
μg/m³
CO
138.5
μg/m³
Sunny
Friday, July 24, 2026
High
28°C
Low
15°C
Rain Chance
4%
Hourly Forecast
17°C
16°C
16°C
15°C
15°C
15°C
15°C
16°C
19°C
20°C
22°C
25°C
26°C
27°C
28°C
28°C
26°C
26°C
25°C
23°C
21°C
20°C
19°C
18°C
Day Statistics
Maximum Wind
11 km/h
Humidity
63%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
4%
Snow Chance
0%
Sun & Moon
Sunrise
06:04 AM
Sunset
08:28 PM
Moonrise
05:23 PM
Moonset
01:36 AM
Moon Phase
Waxing Gibbous
Moon Illumination
82%
Air Quality
PM2.5
9.5
μg/m³
PM10
10.1
μg/m³
NO₂
10.9
μg/m³
O₃
94.9
μg/m³
SO₂
1.8
μg/m³
CO
189.7
μg/m³
Partly Cloudy
Saturday, July 25, 2026
High
28°C
Low
16°C
Rain Chance
6%
Hourly Forecast
18°C
17°C
17°C
16°C
16°C
17°C
18°C
18°C
20°C
21°C
22°C
25°C
26°C
27°C
28°C
28°C
27°C
27°C
27°C
25°C
21°C
20°C
19°C
18°C
Day Statistics
Maximum Wind
7 km/h
Humidity
65%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
6%
Snow Chance
0%
Sun & Moon
Sunrise
06:05 AM
Sunset
08:27 PM
Moonrise
06:18 PM
Moonset
02:21 AM
Moon Phase
Waxing Gibbous
Moon Illumination
90%
Air Quality
PM2.5
10.2
μg/m³
PM10
12.5
μg/m³
NO₂
7.6
μg/m³
O₃
92.4
μg/m³
SO₂
1.2
μg/m³
CO
140.6
μg/m³
Sunny
Sunday, July 26, 2026
High
31°C
Low
16°C
Rain Chance
57%
Hourly Forecast
18°C
17°C
17°C
17°C
17°C
17°C
16°C
18°C
20°C
23°C
25°C
26°C
28°C
29°C
30°C
31°C
31°C
30°C
26°C
25°C
22°C
19°C
19°C
20°C
Day Statistics
Maximum Wind
9 km/h
Humidity
71%
Precipitation
1 mm
UV Index
8
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
06:06 AM
Sunset
08:26 PM
Moonrise
07:07 PM
Moonset
03:13 AM
Moon Phase
Waxing Gibbous
Moon Illumination
95%
Air Quality
PM2.5
11.1
μg/m³
PM10
12.7
μg/m³
NO₂
6.6
μg/m³
O₃
104.3
μg/m³
SO₂
1.3
μg/m³
CO
129.2
μg/m³
Partly Cloudy
Monday, July 27, 2026
High
30°C
Low
17°C
Rain Chance
20%
Hourly Forecast
18°C
17°C
19°C
17°C
17°C
19°C
17°C
18°C
22°C
23°C
24°C
27°C
28°C
25°C
26°C
27°C
29°C
30°C
28°C
26°C
24°C
23°C
23°C
23°C
Day Statistics
Maximum Wind
10 km/h
Humidity
81%
Precipitation
0 mm
UV Index
7
Visibility
7 km
Rain Chance
20%
Snow Chance
0%
Sun & Moon
Sunrise
06:07 AM
Sunset
08:25 PM
Moonrise
07:47 PM
Moonset
04:11 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
10.5
μg/m³
PM10
11
μg/m³
NO₂
9.4
μg/m³
O₃
52.8
μg/m³
SO₂
1.1
μg/m³
CO
259.3
μg/m³
Sunny
Tuesday, July 28, 2026
High
36°C
Low
20°C
Rain Chance
75%
Hourly Forecast
23°C
22°C
22°C
21°C
21°C
20°C
20°C
20°C
20°C
23°C
26°C
29°C
31°C
34°C
36°C
34°C
33°C
31°C
28°C
26°C
23°C
23°C
23°C
22°C
Day Statistics
Maximum Wind
22 km/h
Humidity
78%
Precipitation
48 mm
UV Index
8
Visibility
9 km
Rain Chance
75%
Snow Chance
0%
Sun & Moon
Sunrise
06:07 AM
Sunset
08:24 PM
Moonrise
08:21 PM
Moonset
05:11 AM
Moon Phase
Full Moon
Moon Illumination
100%
Thundery outbreaks in nearby
Wednesday, July 29, 2026
High
36°C
Low
21°C
Rain Chance
61%
Hourly Forecast
22°C
22°C
21°C
21°C
21°C
22°C
22°C
22°C
23°C
25°C
28°C
31°C
33°C
34°C
36°C
35°C
35°C
35°C
32°C
30°C
27°C
27°C
26°C
25°C
Day Statistics
Maximum Wind
22 km/h
Humidity
74%
Precipitation
4 mm
UV Index
9
Visibility
9 km
Rain Chance
61%
Snow Chance
0%
Sun & Moon
Sunrise
06:08 AM
Sunset
08:24 PM
Moonrise
08:49 PM
Moonset
06:13 AM
Moon Phase
Full Moon
Moon Illumination
99%
Solar Radiation Data
Shortwave Radiation
575.84
Diffuse Radiation
78.59
DNI
0
GTI
0
Weather Alerts
Small Craft Advisory issued July 23 at 8:06AM EDT until July 23 at 11:00AM EDT by NWS Baltimore MD/Washington DC
* WHAT...North winds 10 kt with gusts up to 20 kt. * WHERE...Tidal Potomac from Indian Head to Cobb Island MD. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
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