Hourly Weather in Keystone, Tennessee, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
8 mph
Light
6 mph
Light
9 mph
Light
9 mph
Light
10 mph
Light
9 mph
Light
9 mph
Light
9 mph
Light
9 mph
Light
Humidity
86%
Extremely humid
89%
Extremely humid
87%
Extremely humid
84%
Extremely humid
80%
Extremely humid
78%
Extremely humid
72%
Extremely humid
62%
Humid
53%
Comfortable
Visibility
10 mi
Good
9 mi
Good
9 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1008 hPa
Low
1008 hPa
Low
1009 hPa
Normal
1010 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
Clouds
57%
48%
87%
61%
60%
77%
93%
34%
16%
Dew point
56°
57°
56°
55°
55°
55°
55°
53°
51°
UV Index
0
0
0
1
2
3
5
6
6
Air quality
45
Good
43
Good
40
Good
37
Good
37
Good
39
Good
44
Good
46
Good
43
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
0.20 μg/ft3
0.19 μg/ft3
0.17 μg/ft3
0.16 μg/ft3
0.18 μg/ft3
0.20 μg/ft3
0.22 μg/ft3
0.24 μg/ft3
0.22 μg/ft3
PM25
0.20 μg/ft3
0.19 μg/ft3
0.17 μg/ft3
0.16 μg/ft3
0.18 μg/ft3
0.20 μg/ft3
0.22 μg/ft3
0.23 μg/ft3
0.22 μg/ft3
NO2
1.2 ppb
1 ppb
0.8 ppb
0.6 ppb
0.5 ppb
0.4 ppb
0.3 ppb
0.2 ppb
0.2 ppb
SO2
0.6 ppb
0.5 ppb
0.3 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
CO
0.3 ppb
0.3 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.3 ppb
0.2 ppb
0.2 ppb
O3
48.5 ppb
46.3 ppb
43.4 ppb
40.3 ppb
39.9 ppb
40.9 ppb
42.8 ppb
44 ppb
44.7 ppb