Hourly Weather in Caldwell, Montana, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
4 mph
Calm
4 mph
Calm
4 mph
Calm
4 mph
Calm
5 mph
Calm
6 mph
Light
7 mph
Light
7 mph
Light
7 mph
Light
Humidity
66%
Humid
62%
Humid
58%
Comfortable
52%
Comfortable
48%
Comfortable
47%
Comfortable
41%
Dry
34%
Dry
31%
Dry
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
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1013 hPa
Normal
1011 hPa
Normal
1010 hPa
Normal
Clouds
0%
0%
0%
0%
0%
0%
0%
0%
0%
Dew point
35°
36°
38°
38°
38°
39°
38°
35°
34°
UV Index
0
1
2
4
6
8
9
8
8
Air quality
43
Good
43
Good
43
Good
43
Good
41
Good
42
Good
43
Good
43
Good
44
Good
Pollen index
Tree
3 / 5
3 / 5
3 / 5
3 / 5
3 / 5
3 / 5
3 / 5
3 / 5
3 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 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
0.26 μg/ft3
0.26 μg/ft3
0.26 μg/ft3
0.26 μg/ft3
0.25 μg/ft3
0.22 μg/ft3
0.20 μg/ft3
0.18 μg/ft3
0.15 μg/ft3
PM25
0.22 μg/ft3
0.22 μg/ft3
0.22 μg/ft3
0.22 μg/ft3
0.21 μg/ft3
0.19 μg/ft3
0.16 μg/ft3
0.14 μg/ft3
0.12 μg/ft3
NO2
1.5 ppb
1 ppb
0.5 ppb
0.4 ppb
0.3 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.1 ppb
SO2
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
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
40.5 ppb
40.7 ppb
41.3 ppb
42.2 ppb
43.5 ppb
45 ppb
45.9 ppb
46.6 ppb
47.1 ppb