Hourly Weather in Portland, Iowa, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
13 mph
Breezy
12 mph
Breezy
11 mph
Breezy
9 mph
Light
10 mph
Breezy
12 mph
Breezy
16 mph
Breezy
17 mph
Breezy
17 mph
Breezy
Humidity
80%
Extremely humid
78%
Extremely humid
78%
Extremely humid
78%
Extremely humid
76%
Extremely humid
68%
Humid
60%
Humid
56%
Comfortable
53%
Comfortable
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
1026 hPa
Very high
1026 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
1028 hPa
Very high
Clouds
100%
100%
100%
40%
0%
1%
15%
25%
32%
Dew point
29°
26°
26°
26°
25°
23°
21°
19°
19°
UV Index
0
0
0
0
0
1
2
3
4
Air quality
56
Moderate
55
Moderate
57
Moderate
57
Moderate
56
Moderate
54
Moderate
53
Moderate
47
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
0.37 μg/ft3
0.39 μg/ft3
0.44 μg/ft3
0.45 μg/ft3
0.42 μg/ft3
0.39 μg/ft3
0.36 μg/ft3
0.32 μg/ft3
0.28 μg/ft3
PM25
0.33 μg/ft3
0.32 μg/ft3
0.35 μg/ft3
0.35 μg/ft3
0.33 μg/ft3
0.31 μg/ft3
0.28 μg/ft3
0.24 μg/ft3
0.20 μg/ft3
NO2
1.6 ppb
1.7 ppb
1.7 ppb
1.8 ppb
2.1 ppb
2.4 ppb
2.7 ppb
2.2 ppb
1.7 ppb
SO2
0.4 ppb
0.5 ppb
0.5 ppb
0.6 ppb
0.6 ppb
0.7 ppb
0.7 ppb
0.6 ppb
0.6 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.1 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
40 ppb
42.1 ppb
43.5 ppb
44.5 ppb
44.8 ppb
44.8 ppb
44.5 ppb
45.1 ppb
45.9 ppb