Hourly Weather in Merrimack, New Hampshire, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
8 mph
Light
11 mph
Breezy
11 mph
Breezy
11 mph
Breezy
11 mph
Breezy
11 mph
Breezy
11 mph
Breezy
11 mph
Breezy
12 mph
Breezy
Humidity
69%
Humid
61%
Humid
60%
Humid
57%
Comfortable
56%
Comfortable
55%
Comfortable
56%
Comfortable
52%
Comfortable
53%
Comfortable
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
7 mi
Good
8 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1014 hPa
Normal
1013 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
Clouds
27%
99%
99%
95%
96%
100%
99%
94%
77%
Dew point
44°
43°
43°
43°
43°
43°
43°
42°
42°
UV Index
1
2
3
4
5
3
3
2
2
Air quality
18
Good
20
Good
21
Good
23
Good
26
Good
29
Good
31
Good
33
Good
34
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
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
PM25
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
NO2
4.6 ppb
4.3 ppb
3.9 ppb
3.6 ppb
3.3 ppb
3 ppb
3.1 ppb
3.2 ppb
3.2 ppb
SO2
1.3 ppb
1.2 ppb
1 ppb
1 ppb
0.9 ppb
0.8 ppb
0.8 ppb
0.7 ppb
0.7 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
19.9 ppb
21.1 ppb
22.5 ppb
24.9 ppb
27.9 ppb
31.4 ppb
33.6 ppb
35.4 ppb
36.8 ppb