Hourly Weather in Portage, Montana, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
6 km/h
Calm
2 km/h
Calm
3 km/h
Calm
6 km/h
Calm
3 km/h
Calm
3 km/h
Calm
8 km/h
Light
8 km/h
Calm
24 km/h
Breezy
Humidity
29%
Very dry
26%
Very dry
24%
Very dry
21%
Very dry
19%
Extremely dry
17%
Extremely dry
14%
Extremely dry
14%
Extremely dry
9%
Extremely dry
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
1010 hPa
Normal
1010 hPa
Normal
1009 hPa
Normal
1009 hPa
Low
1008 hPa
Low
1007 hPa
Low
1007 hPa
Low
1006 hPa
Low
1005 hPa
Low
Clouds
1%
0%
0%
0%
0%
0%
0%
0%
0%
Dew point
6°
5°
5°
5°
4°
4°
2°
2°
-3°
UV Index
3
5
7
8
8
7
5
3
2
Air quality
65
Moderate
70
Moderate
76
Moderate
82
Moderate
88
Moderate
93
Moderate
79
Moderate
78
Moderate
77
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
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
Pollutants
Low risk
High risk
PM10
22.3 μg/m3
25.1 μg/m3
15.1 μg/m3
15.1 μg/m3
15.1 μg/m3
15.1 μg/m3
24.7 μg/m3
24.2 μg/m3
23.6 μg/m3
PM25
16.3 μg/m3
19 μg/m3
22.2 μg/m3
25.5 μg/m3
28.7 μg/m3
31.4 μg/m3
24 μg/m3
23.5 μg/m3
22.8 μg/m3
NO2
1.9 ppb
1.3 ppb
0.5 ppb
0.5 ppb
0.4 ppb
0.3 ppb
0.4 ppb
0.4 ppb
0.4 ppb
SO2
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 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
34.3 ppb
37.1 ppb
40.4 ppb
43.7 ppb
46.9 ppb
49.7 ppb
67.4 ppb
67.9 ppb
68.3 ppb