Hourly Weather in Derby, Maine, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
3 km/h
Calm
2 km/h
Calm
4 km/h
Calm
6 km/h
Calm
6 km/h
Calm
3 km/h
Calm
2 km/h
Calm
3 km/h
Calm
4 km/h
Calm
Humidity
54%
Comfortable
55%
Comfortable
49%
Comfortable
42%
Dry
37%
Dry
35%
Dry
33%
Dry
33%
Dry
31%
Dry
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
1015 hPa
Normal
1014 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
Clouds
0%
0%
0%
0%
2%
100%
100%
77%
99%
Dew point
13°
13°
13°
11°
10°
10°
10°
9°
9°
UV Index
5
7
8
8
7
5
3
2
1
Air quality
35
Good
35
Good
34
Good
33
Good
32
Good
32
Good
31
Good
30
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
7.5 μg/m3
7.5 μg/m3
7.5 μg/m3
7.5 μg/m3
7.5 μg/m3
7.5 μg/m3
7.5 μg/m3
7.5 μg/m3
4.8 μg/m3
PM25
4.5 μg/m3
4.5 μg/m3
4.6 μg/m3
4.7 μg/m3
4.9 μg/m3
5.1 μg/m3
5.2 μg/m3
5.4 μg/m3
4.2 μg/m3
NO2
0.4 ppb
0.2 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.2 ppb
SO2
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
CO
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
37.7 ppb
37.4 ppb
36.8 ppb
36 ppb
35 ppb
34 ppb
33 ppb
32.1 ppb
46.7 ppb