Daily Weather in South Portland, Maine, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
14 km/h
Light
15 km/h
Light
20 km/h
Breezy
36 km/h
Strong
36 km/h
Strong
19 km/h
Breezy
17 km/h
Breezy
21 km/h
Breezy
19 km/h
Breezy
Humidity
87%
Extremely humid
95%
Extremely humid
96%
Extremely humid
98%
Extremely humid
97%
Extremely humid
95%
Extremely humid
96%
Extremely humid
96%
Extremely humid
97%
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
1016 hPa
Normal
1011 hPa
Normal
1009 hPa
Low
1009 hPa
Normal
1009 hPa
Low
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1013 hPa
Normal
Clouds
100%
100%
100%
100%
100%
95%
98%
99%
65%
Dew point
13°
14°
19°
17°
17°
20°
19°
19°
21°
UV Index
8
7
6
1
0
Air quality
58
Moderate
55
Moderate
61
Moderate
54
Moderate
36
Good
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
11.2 μg/m3
11.4 μg/m3
18.8 μg/m3
14.1 μg/m3
5.7 μg/m3
PM25
12.7 μg/m3
11 μg/m3
14.3 μg/m3
10.8 μg/m3
4.2 μg/m3
NO2
6.9 ppb
4.7 ppb
3.5 ppb
1.9 ppb
1.9 ppb
SO2
0.3 ppb
0.2 ppb
0.3 ppb
0.2 ppb
0.3 ppb
CO
0.2 ppb
0.2 ppb
0.1 ppb
0.2 ppb
0.2 ppb
O3
46 ppb
44.8 ppb
54.2 ppb
39.9 ppb
38.6 ppb