Hourly Weather in Williamston, South Carolina, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
2 km/h
Calm
1 km/h
Calm
6 km/h
Calm
1 km/h
Calm
4 km/h
Calm
7 km/h
Calm
3 km/h
Calm
2 km/h
Calm
5 km/h
Calm
Humidity
85%
Extremely humid
82%
Extremely humid
82%
Extremely humid
82%
Extremely humid
83%
Extremely humid
85%
Extremely humid
85%
Extremely humid
87%
Extremely humid
88%
Extremely humid
Visibility
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
14 km
Good
14 km
Good
Pressure
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1010 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
Clouds
17%
5%
0%
100%
100%
97%
100%
100%
100%
Dew point
23°
23°
22°
22°
22°
22°
21°
21°
21°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
26
Good
28
Good
29
Good
31
Good
33
Good
35
Good
36
Good
68
Moderate
65
Moderate
Pollen index
Tree
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
8.6 μg/m3
18.1 μg/m3
16.8 μg/m3
PM25
4.7 μg/m3
5 μg/m3
5.2 μg/m3
5.6 μg/m3
5.9 μg/m3
6.2 μg/m3
6.5 μg/m3
17.9 μg/m3
16.7 μg/m3
NO2
6.8 ppb
9.3 ppb
10.1 ppb
11 ppb
11.8 ppb
10.9 ppb
10 ppb
9.9 ppb
8.3 ppb
SO2
0.2 ppb
0.2 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.2 ppb
0.2 ppb
0.2 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
O3
21.4 ppb
23 ppb
25.3 ppb
27.9 ppb
30.7 ppb
33.3 ppb
35.6 ppb
11.6 ppb
12.6 ppb