Daily Weather in Merrimack, New Hampshire, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
11 mph
Breezy
15 mph
Breezy
16 mph
Breezy
17 mph
Breezy
12 mph
Breezy
14 mph
Breezy
9 mph
Light
10 mph
Breezy
11 mph
Breezy
Humidity
99%
Extremely humid
99%
Extremely humid
92%
Extremely humid
89%
Extremely humid
96%
Extremely humid
95%
Extremely humid
92%
Extremely humid
84%
Extremely humid
72%
Extremely humid
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1021 hPa
High
1020 hPa
High
1018 hPa
High
1021 hPa
High
1021 hPa
High
1020 hPa
High
1013 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
Clouds
100%
100%
100%
100%
81%
98%
94%
99%
99%
Dew point
65°
67°
59°
58°
60°
69°
70°
69°
68°
UV Index
5
6
6
Air quality
76
Moderate
93
Moderate
59
Moderate
Pollen index
Tree
0 / 5
0 / 5
0 / 5
Weed
0 / 5
0 / 5
0 / 5
Grass
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
0.66 μg/ft3
0.89 μg/ft3
0.41 μg/ft3
PM25
0.63 μg/ft3
0.88 μg/ft3
0.38 μg/ft3
NO2
16.1 ppb
17.3 ppb
4.6 ppb
SO2
1.7 ppb
2.4 ppb
0.5 ppb
CO
0.3 ppb
0.3 ppb
0.2 ppb
O3
59.9 ppb
65.8 ppb
51.4 ppb