Hourly Weather Forecast - Merrimac, MA

12 AM
16°F
0%
4mph
SW
Clear
Humidity
69%
Feels like
9°F
Dew Point
7°F
1 AM
16°F
0%
4mph
SW
Clear
Humidity
70%
Feels like
10°F
Dew Point
8°F
2 AM
17°F
0%
4mph
SW
Clear
Humidity
69%
Feels like
10°F
Dew Point
9°F
3 AM
17°F
0%
4mph
SW
Clear
Humidity
67%
Feels like
11°F
Dew Point
8°F
4 AM
18°F
0%
4mph
SW
Clear
Humidity
68%
Feels like
11°F
Dew Point
9°F
5 AM
17°F
0%
4mph
SW
Clear
Humidity
69%
Feels like
11°F
Dew Point
9°F
6 AM
18°F
0%
5mph
SW
Clear
Humidity
69%
Feels like
11°F
Dew Point
10°F
6:17 AM
7 AM
20°F
0%
5mph
SW
Sunny
Humidity
69%
Feels like
14°F
Dew Point
12°F
8 AM
24°F
0%
5mph
SW
Partly Cloudy
Humidity
67%
Feels like
18°F
Dew Point
15°F
9 AM
29°F
0%
6mph
SSW
Mostly Cloudy
Humidity
62%
Feels like
23°F
Dew Point
18°F
10 AM
32°F
0%
6mph
SSW
Cloudy
Humidity
59%
Feels like
26°F
Dew Point
20°F
11 AM
35°F
0%
7mph
SSW
Cloudy
Humidity
57%
Feels like
28°F
Dew Point
21°F
12 PM
36°F
0%
8mph
SSW
Cloudy
Humidity
56%
Feels like
30°F
Dew Point
22°F
1 PM
37°F
20%
8mph
SSW
Cloudy
Humidity
57%
Feels like
31°F
Dew Point
23°F
2 PM
37°F
50%
8mph
SSW
50% Chance Frozen Mix
Humidity
61%
Feels like
31°F
Dew Point
25°F
3 PM
37°F
70%
7mph
SSW
70% Chance of Flurries
Humidity
68%
Feels like
31°F
Dew Point
27°F
4 PM
35°F
80%
6mph
S
80% Chance Light Snow
Humidity
75%
Feels like
30°F
Dew Point
28°F
5 PM
34°F
90%
5mph
S
Snow
Humidity
81%
Feels like
30°F
Dew Point
29°F
5:35 PM
6 PM
33°F
100%
4mph
SSE
Snow
Humidity
86%
Feels like
29°F
Dew Point
30°F
7 PM
33°F
100%
4mph
SSE
Snow
Humidity
94%
Feels like
30°F
Dew Point
31°F
8 PM
33°F
100%
3mph
SE
Frozen Mix
Humidity
95%
Feels like
33°F
Dew Point
32°F
9 PM
33°F
100%
3mph
E
Rain
Humidity
96%
Feels like
33°F
Dew Point
32°F
10 PM
32°F
100%
2mph
E
Rain
Humidity
98%
Feels like
32°F
Dew Point
32°F
11 PM
32°F
100%
1mph
NNE
Frozen Mix
Humidity
99%
Feels like
32°F
Dew Point
32°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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