Hourly Weather in Smithfield, Virginia, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
5 mph
Light
6 mph
Light
8 mph
Light
8 mph
Light
8 mph
Light
8 mph
Light
7 mph
Light
6 mph
Light
6 mph
Light
Humidity
76%
Extremely humid
69%
Humid
65%
Humid
53%
Comfortable
47%
Comfortable
43%
Dry
42%
Dry
42%
Dry
44%
Dry
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1007 hPa
Low
1007 hPa
Low
1007 hPa
Low
1007 hPa
Low
1007 hPa
Low
1006 hPa
Low
1006 hPa
Low
1006 hPa
Low
1006 hPa
Low
Clouds
5%
2%
0%
0%
73%
35%
76%
0%
28%
Dew point
63°
63°
63°
59°
57°
54°
54°
53°
53°
UV Index
5
7
8
7
6
4
2
1
0
Air quality
51
Moderate
43
Good
44
Good
50
Moderate
59
Moderate
65
Moderate
70
Moderate
63
Moderate
50
Moderate
Pollen index
Tree
0 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
2 / 5
2 / 5
2 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
0 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
2 / 5
3 / 5
3 / 5
Pollutants
Low risk
High risk
PM10
0.53 μg/ft3
0.38 μg/ft3
0.29 μg/ft3
0.28 μg/ft3
0.29 μg/ft3
0.31 μg/ft3
0.33 μg/ft3
0.35 μg/ft3
0.36 μg/ft3
PM25
0.34 μg/ft3
0.24 μg/ft3
0.18 μg/ft3
0.17 μg/ft3
0.18 μg/ft3
0.19 μg/ft3
0.20 μg/ft3
0.22 μg/ft3
0.23 μg/ft3
NO2
1.63 ppb
1.29 ppb
0.94 ppb
0.59 ppb
0.67 ppb
0.75 ppb
0.83 ppb
4.17 ppb
7.5 ppb
SO2
0.39 ppb
0.34 ppb
0.3 ppb
0.25 ppb
0.3 ppb
0.34 ppb
0.39 ppb
0.39 ppb
0.39 ppb
CO
0.17 ppb
0.16 ppb
0.15 ppb
0.14 ppb
0.14 ppb
0.14 ppb
0.14 ppb
0.17 ppb
0.2 ppb
O3
44.59 ppb
49.81 ppb
55.02 ppb
60.23 ppb
61.33 ppb
62.42 ppb
63.51 ppb
53.83 ppb
44.15 ppb