Hourly Weather in Williamson, Texas, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
7 mph
Light
8 mph
Light
8 mph
Light
8 mph
Light
10 mph
Breezy
11 mph
Breezy
12 mph
Breezy
12 mph
Breezy
13 mph
Breezy
Humidity
78%
Extremely humid
80%
Extremely humid
81%
Extremely humid
81%
Extremely humid
76%
Extremely humid
70%
Extremely humid
66%
Humid
63%
Humid
62%
Humid
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
1016 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1017 hPa
Normal
1018 hPa
Normal
1018 hPa
High
1018 hPa
Normal
1017 hPa
Normal
1016 hPa
Normal
Clouds
100%
100%
100%
100%
100%
100%
100%
100%
100%
Dew point
56°
56°
56°
56°
56°
55°
55°
56°
56°
UV Index
0
0
0
0
0
1
3
5
7
Air quality
31
Good
30
Good
30
Good
29
Good
29
Good
31
Good
35
Good
39
Good
44
Good
Pollen index
Tree
2 / 5
2 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 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
1 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
0.22 μg/ft3
0.23 μg/ft3
0.25 μg/ft3
0.27 μg/ft3
0.29 μg/ft3
0.34 μg/ft3
0.39 μg/ft3
0.42 μg/ft3
0.44 μg/ft3
PM25
0.14 μg/ft3
0.15 μg/ft3
0.16 μg/ft3
0.18 μg/ft3
0.20 μg/ft3
0.23 μg/ft3
0.26 μg/ft3
0.29 μg/ft3
0.29 μg/ft3
NO2
1.48 ppb
1.59 ppb
1.7 ppb
1.81 ppb
1.52 ppb
1.24 ppb
0.96 ppb
0.8 ppb
0.64 ppb
SO2
0.23 ppb
0.26 ppb
0.28 ppb
0.31 ppb
0.36 ppb
0.41 ppb
0.47 ppb
0.48 ppb
0.5 ppb
CO
0.15 ppb
0.15 ppb
0.16 ppb
0.16 ppb
0.16 ppb
0.16 ppb
0.16 ppb
0.16 ppb
0.15 ppb
O3
32.52 ppb
31.38 ppb
30.23 ppb
29.08 ppb
33.83 ppb
38.58 ppb
43.33 ppb
48.16 ppb
52.99 ppb