Hourly Weather in Portland, Connecticut, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
4 km/h
Calm
3 km/h
Calm
3 km/h
Calm
1 km/h
Calm
2 km/h
Calm
5 km/h
Calm
5 km/h
Calm
11 km/h
Light
10 km/h
Light
Humidity
61%
Humid
54%
Comfortable
48%
Comfortable
47%
Comfortable
42%
Dry
49%
Comfortable
43%
Dry
60%
Humid
65%
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
1024 hPa
High
1023 hPa
High
1023 hPa
High
1022 hPa
High
1022 hPa
High
1022 hPa
High
1021 hPa
High
1022 hPa
High
1022 hPa
High
Clouds
0%
0%
0%
3%
0%
6%
12%
82%
87%
Dew point
14°
13°
12°
12°
11°
13°
12°
15°
15°
UV Index
6
7
8
7
6
4
2
1
0
Air quality
37
Good
36
Good
36
Good
36
Good
36
Good
55
Moderate
54
Moderate
53
Moderate
51
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
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.6 μg/m3
11.9 μg/m3
11 μg/m3
9.7 μg/m3
PM25
6.6 μg/m3
6.5 μg/m3
6.5 μg/m3
6.5 μg/m3
6.5 μg/m3
11.4 μg/m3
10.9 μg/m3
10.3 μg/m3
9.2 μg/m3
NO2
1.3 ppb
1.2 ppb
1.1 ppb
1 ppb
1.1 ppb
0.8 ppb
0.9 ppb
1.6 ppb
2.3 ppb
SO2
0.3 ppb
0.3 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 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
19.1 ppb
23.8 ppb
28.6 ppb
33.2 ppb
37.2 ppb
57.5 ppb
57 ppb
55.8 ppb
54.4 ppb