Hourly Weather in Herndon, Texas, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
17 km/h
Breezy
13 km/h
Light
10 km/h
Light
19 km/h
Breezy
21 km/h
Breezy
18 km/h
Breezy
20 km/h
Breezy
26 km/h
Breezy
23 km/h
Breezy
Humidity
58%
Comfortable
59%
Comfortable
57%
Comfortable
59%
Comfortable
68%
Humid
70%
Extremely humid
71%
Extremely humid
63%
Humid
56%
Comfortable
Visibility
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1009 hPa
Low
1007 hPa
Low
1007 hPa
Low
1007 hPa
Low
1008 hPa
Low
1008 hPa
Low
1009 hPa
Low
1009 hPa
Normal
1009 hPa
Normal
Clouds
1%
0%
0%
0%
0%
0%
0%
0%
0%
Dew point
18°
18°
18°
18°
19°
19°
19°
19°
19°
UV Index
0
0
0
0
0
0
0
2
4
Air quality
26
Good
42
Good
43
Good
43
Good
43
Good
43
Good
43
Good
25
Good
26
Good
Pollen index
Tree
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Weed
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
Grass
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
Pollutants
Low risk
High risk
PM10
5.4 μg/m3
5.6 μg/m3
5.6 μg/m3
5.6 μg/m3
5.4 μg/m3
5.3 μg/m3
35.6 μg/m3
5.4 μg/m3
6.1 μg/m3
PM25
4.5 μg/m3
7.5 μg/m3
7.6 μg/m3
7.6 μg/m3
7.6 μg/m3
7.6 μg/m3
7.7 μg/m3
4.4 μg/m3
4.7 μg/m3
NO2
1.4 ppb
1.4 ppb
1.3 ppb
1.3 ppb
1.4 ppb
1.4 ppb
1.2 ppb
0.9 ppb
0.6 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
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
27.1 ppb
39 ppb
39.1 ppb
39.3 ppb
39.5 ppb
39.7 ppb
39.9 ppb
24.3 ppb
25.9 ppb