Hourly Weather Forecast - Merrimack, NH

12 AM
13°F
0%
7mph
NNW
Clear
Humidity
45%
Feels like
3°F
Dew Point
-4°F
1 AM
12°F
0%
7mph
NNW
Clear
Humidity
45%
Feels like
1°F
Dew Point
-5°F
2 AM
10°F
0%
6mph
NNW
Clear
Humidity
47%
Feels like
0°F
Dew Point
-6°F
3 AM
9°F
0%
6mph
NW
Clear
Humidity
49%
Feels like
-1°F
Dew Point
-6°F
4 AM
8°F
0%
5mph
NW
Clear
Humidity
50%
Feels like
-2°F
Dew Point
-7°F
5 AM
6°F
0%
5mph
NW
Clear
Humidity
52%
Feels like
-3°F
Dew Point
-7°F
6 AM
6°F
0%
4mph
NW
Clear
Humidity
53%
Feels like
-2°F
Dew Point
-7°F
6:20 AM
7 AM
8°F
0%
4mph
NW
Sunny
Humidity
55%
Feels like
1°F
Dew Point
-5°F
8 AM
11°F
0%
3mph
NW
Sunny
Humidity
55%
Feels like
5°F
Dew Point
-2°F
9 AM
16°F
0%
4mph
NW
Sunny
Humidity
49%
Feels like
10°F
Dew Point
0°F
10 AM
20°F
0%
4mph
NW
Sunny
Humidity
40%
Feels like
15°F
Dew Point
0°F
11 AM
23°F
0%
3mph
NW
Sunny
Humidity
36%
Feels like
18°F
Dew Point
0°F
12 PM
25°F
0%
3mph
NW
Sunny
Humidity
34%
Feels like
21°F
Dew Point
0°F
1 PM
27°F
0%
3mph
WNW
Sunny
Humidity
32%
Feels like
23°F
Dew Point
1°F
2 PM
28°F
0%
3mph
WNW
Sunny
Humidity
30%
Feels like
24°F
Dew Point
1°F
3 PM
28°F
0%
3mph
W
Sunny
Humidity
31%
Feels like
24°F
Dew Point
1°F
4 PM
26°F
0%
3mph
W
Sunny
Humidity
34%
Feels like
22°F
Dew Point
2°F
5 PM
24°F
0%
3mph
SW
Sunny
Humidity
40%
Feels like
19°F
Dew Point
3°F
5:36 PM
6 PM
20°F
0%
4mph
S
Clear
Humidity
48%
Feels like
15°F
Dew Point
4°F
7 PM
18°F
0%
4mph
S
Clear
Humidity
57%
Feels like
13°F
Dew Point
5°F
8 PM
17°F
0%
4mph
S
Clear
Humidity
61%
Feels like
10°F
Dew Point
5°F
9 PM
15°F
0%
4mph
S
Clear
Humidity
65%
Feels like
9°F
Dew Point
5°F
10 PM
13°F
0%
4mph
SSW
Clear
Humidity
68%
Feels like
7°F
Dew Point
5°F
11 PM
12°F
0%
4mph
SSW
Clear
Humidity
71%
Feels like
6°F
Dew Point
5°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains tonight through the Northeast on Tuesday.

Today's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

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