Hourly Weather Forecast - Merrimac, MA

12 AM
28°F
0%
2mph
SW
Mostly Cloudy
Humidity
88%
Feels like
28°F
Dew Point
25°F
1 AM
28°F
0%
2mph
SW
Cloudy
Humidity
89%
Feels like
28°F
Dew Point
25°F
2 AM
28°F
0%
2mph
SSW
Cloudy
Humidity
89%
Feels like
28°F
Dew Point
25°F
3 AM
28°F
0%
2mph
SSW
Cloudy
Humidity
90%
Feels like
28°F
Dew Point
26°F
4 AM
28°F
10%
3mph
SSW
Mostly Cloudy
Humidity
92%
Feels like
28°F
Dew Point
26°F
5 AM
28°F
10%
3mph
S
Mostly Cloudy
Humidity
95%
Feels like
25°F
Dew Point
27°F
6 AM
29°F
10%
4mph
S
Mostly Cloudy
Humidity
98%
Feels like
25°F
Dew Point
29°F
7 AM
30°F
30%
4mph
S
30% Chance Freezing Rain
Humidity
97%
Feels like
26°F
Dew Point
30°F
7:14 AM
8 AM
32°F
30%
5mph
S
30% Chance of Light Rain
Humidity
100%
Feels like
28°F
Dew Point
32°F
9 AM
35°F
30%
5mph
S
30% Chance of Light Rain
Humidity
100%
Feels like
30°F
Dew Point
35°F
10 AM
37°F
30%
6mph
S
30% Chance of Light Rain
Humidity
98%
Feels like
32°F
Dew Point
37°F
11 AM
39°F
30%
6mph
S
30% Chance of Light Rain
Humidity
97%
Feels like
35°F
Dew Point
39°F
12 PM
41°F
30%
7mph
S
30% Chance of Light Rain
Humidity
96%
Feels like
36°F
Dew Point
40°F
1 PM
42°F
30%
8mph
S
30% Chance of Light Rain
Humidity
97%
Feels like
38°F
Dew Point
42°F
2 PM
43°F
30%
8mph
SSW
30% Chance of Light Rain
Humidity
98%
Feels like
38°F
Dew Point
42°F
3 PM
43°F
40%
8mph
SSW
40% Chance of Light Rain
Humidity
96%
Feels like
38°F
Dew Point
42°F
4 PM
43°F
40%
7mph
SSW
40% Chance of Light Rain
Humidity
98%
Feels like
38°F
Dew Point
42°F
4:28 PM
5 PM
43°F
50%
7mph
SSW
50% Chance of Light Rain
Humidity
100%
Feels like
38°F
Dew Point
43°F
6 PM
43°F
50%
7mph
SSW
50% Chance Rain Showers
Humidity
100%
Feels like
39°F
Dew Point
43°F
7 PM
44°F
50%
6mph
SW
50% Chance Rain Showers
Humidity
99%
Feels like
40°F
Dew Point
44°F
8 PM
44°F
50%
6mph
SW
50% Chance Rain Showers
Humidity
97%
Feels like
41°F
Dew Point
44°F
9 PM
44°F
40%
6mph
SW
40% Chance Rain Showers
Humidity
97%
Feels like
41°F
Dew Point
43°F
10 PM
44°F
40%
6mph
SW
40% Chance Rain Showers
Humidity
99%
Feels like
40°F
Dew Point
43°F
11 PM
43°F
40%
6mph
WSW
40% Chance Rain Showers
Humidity
100%
Feels like
40°F
Dew Point
43°F

Rain And Snow Totals Through Tonight

Rain And Mountain Snow Impact Northern California

Locally heavy rain and mountain snow will continue to impact northern California through tonight.

Tuesday's Weather Outlook

Tuesday's Weather Outlook

St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide