Hourly Weather in Sam Houston, Texas, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
5 km/h
Calm
6 km/h
Calm
6 km/h
Calm
5 km/h
Calm
1 km/h
Calm
3 km/h
Calm
5 km/h
Calm
7 km/h
Calm
12 km/h
Light
Humidity
83%
Extremely humid
84%
Extremely humid
88%
Extremely humid
92%
Extremely humid
93%
Extremely humid
94%
Extremely humid
95%
Extremely humid
87%
Extremely humid
72%
Extremely humid
Visibility
16 km
Good
16 km
Good
15 km
Good
13 km
Good
12 km
Good
12 km
Good
12 km
Good
15 km
Good
16 km
Good
Pressure
1017 hPa
Normal
1017 hPa
Normal
1018 hPa
Normal
1018 hPa
Normal
1019 hPa
High
1019 hPa
High
1019 hPa
High
1020 hPa
High
1020 hPa
High
Clouds
61%
100%
99%
98%
98%
98%
8%
1%
5%
Dew point
24°
24°
24°
25°
25°
24°
24°
25°
23°
UV Index
0
0
0
0
0
0
0
1
2
Air quality
67
Moderate
66
Moderate
66
Moderate
65
Moderate
64
Moderate
63
Moderate
62
Moderate
74
Moderate
75
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
57 μg/m3
57 μg/m3
57 μg/m3
57 μg/m3
57 μg/m3
57 μg/m3
57 μg/m3
35.2 μg/m3
36.3 μg/m3
PM25
17.4 μg/m3
17.1 μg/m3
16.8 μg/m3
16.3 μg/m3
15.9 μg/m3
15.5 μg/m3
15.1 μg/m3
21.4 μg/m3
21.8 μg/m3
NO2
3.1 ppb
3.5 ppb
3.8 ppb
4.1 ppb
4.4 ppb
4.8 ppb
5.1 ppb
3.8 ppb
2.5 ppb
SO2
0.6 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.7 ppb
0.7 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
15.7 ppb
16.8 ppb
18.3 ppb
20 ppb
21.9 ppb
23.6 ppb
25.1 ppb
21 ppb
25.9 ppb