Daily Weather in Portland, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
17 km/h
Breezy
13 km/h
Light
15 km/h
Light
23 km/h
Breezy
13 km/h
Light
8 km/h
Calm
13 km/h
Light
14 km/h
Light
17 km/h
Breezy
Humidity
95%
Extremely humid
91%
Extremely humid
92%
Extremely humid
88%
Extremely humid
88%
Extremely humid
88%
Extremely humid
95%
Extremely humid
88%
Extremely humid
79%
Extremely 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
1021 hPa
High
1015 hPa
Normal
1013 hPa
Normal
1008 hPa
Low
1013 hPa
Normal
1014 hPa
Normal
1013 hPa
Normal
1015 hPa
Normal
1016 hPa
Normal
Clouds
100%
100%
100%
99%
98%
86%
59%
84%
19%
Dew point
17°
22°
26°
25°
18°
21°
22°
23°
16°
UV Index
8
7
7
8
9
Air quality
50
Moderate
50
Moderate
55
Moderate
54
Moderate
50
Moderate
Pollen index
Tree
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
Grass
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
49.6 μg/m3
9.6 μg/m3
7.2 μg/m3
10.3 μg/m3
4.1 μg/m3
PM25
8.9 μg/m3
8.9 μg/m3
6.6 μg/m3
8.3 μg/m3
4 μg/m3
NO2
13.3 ppb
9.5 ppb
6.6 ppb
6.1 ppb
3.8 ppb
SO2
0.6 ppb
0.9 ppb
0.6 ppb
0.8 ppb
0.2 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
43.1 ppb
50.2 ppb
60 ppb
58.8 ppb
54 ppb