Hourly Weather in Williamson, Iowa, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
13 km/h
Light
11 km/h
Light
12 km/h
Light
10 km/h
Light
9 km/h
Light
8 km/h
Light
10 km/h
Light
10 km/h
Light
9 km/h
Light
Humidity
75%
Extremely humid
57%
Comfortable
58%
Comfortable
63%
Humid
70%
Extremely humid
75%
Extremely humid
84%
Extremely humid
90%
Extremely humid
90%
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
1010 hPa
Normal
1010 hPa
Normal
1009 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1010 hPa
Normal
1011 hPa
Normal
Clouds
0%
1%
0%
1%
0%
100%
100%
100%
100%
Dew point
28°
25°
25°
25°
25°
25°
25°
25°
25°
UV Index
3
1
0
0
0
0
0
0
0
Air quality
54
Moderate
54
Moderate
54
Moderate
55
Moderate
55
Moderate
56
Moderate
56
Moderate
56
Moderate
35
Good
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
13.9 μg/m3
13.5 μg/m3
22.6 μg/m3
22.6 μg/m3
22.6 μg/m3
22.6 μg/m3
22.6 μg/m3
22.6 μg/m3
6.7 μg/m3
PM25
10.7 μg/m3
10.8 μg/m3
10.9 μg/m3
11.1 μg/m3
11.3 μg/m3
11.5 μg/m3
11.7 μg/m3
11.9 μg/m3
6.2 μg/m3
NO2
0.7 ppb
1 ppb
1.3 ppb
2 ppb
2.7 ppb
3.5 ppb
3.5 ppb
3.5 ppb
2.9 ppb
SO2
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
42.1 ppb
42.1 ppb
42.3 ppb
42.5 ppb
42.7 ppb
43 ppb
43.2 ppb
43.4 ppb
34 ppb