Hourly Weather in Portland, Iowa, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
18 km/h
Breezy
19 km/h
Breezy
19 km/h
Breezy
17 km/h
Breezy
16 km/h
Light
15 km/h
Light
14 km/h
Light
9 km/h
Light
11 km/h
Light
Humidity
58%
Comfortable
58%
Comfortable
56%
Comfortable
57%
Comfortable
57%
Comfortable
56%
Comfortable
59%
Comfortable
64%
Humid
67%
Humid
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
1017 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1013 hPa
Normal
Clouds
4%
6%
4%
40%
42%
100%
100%
95%
80%
Dew point
15°
16°
15°
16°
16°
16°
17°
18°
17°
UV Index
8
7
4
3
2
1
1
0
0
Air quality
41
Good
43
Good
45
Good
47
Good
49
Good
53
Moderate
52
Moderate
49
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
8.9 μg/m3
10.7 μg/m3
24.8 μg/m3
24.8 μg/m3
24.8 μg/m3
10.6 μg/m3
10.1 μg/m3
9.1 μg/m3
8 μg/m3
PM25
7.3 μg/m3
7.7 μg/m3
8 μg/m3
8.4 μg/m3
8.8 μg/m3
10.1 μg/m3
9.5 μg/m3
8.7 μg/m3
7.6 μg/m3
NO2
1 ppb
0.5 ppb
0.6 ppb
0.7 ppb
0.7 ppb
1 ppb
1.4 ppb
1.7 ppb
2.2 ppb
SO2
0.3 ppb
0.4 ppb
0.3 ppb
0.3 ppb
0.2 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
29.9 ppb
30.6 ppb
31.5 ppb
32.3 ppb
33.2 ppb
46.5 ppb
45.1 ppb
43.6 ppb
42.1 ppb