Current Weather Forecast for Merrimac

MA 01860  |   10:35pm

Weather Conditions

60°

Feels Like 60°

Partly Cloudy

49° 72°

0

UV Index

Good

Air Quality

WNW 0 mph

Wind

0 in

rain

Tonight

Wed 9/17

58°

Lowest Temperature

42%

Cloudy with occasional showers. Low 58F. Winds light and variable. Chance of rain 40%.

Tomorrow

Thu 9/18

78°

Highest Temperature

16%

Chance of a morning shower. Cloudy skies early will become partly cloudy later in the day. High 78F. Winds light and variable.

Tomorrow night

Thu 9/18

58°

Lowest Temperature

7%

Clear. Low 58F. Winds light and variable.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Merrimac

Hourly Weather Forecast & Temperature

11PM

15%

60°

Feels Like 60°

Mostly Cloudy

NE 1 mph

Wind

1018 mb

Pressure

95%

Humidity

0

UV Index

9mi

Visibility

76%

Cloud Cover

12AM

15%

60°

Feels Like 60°

Cloudy

NNE 1 mph

Wind

1017 mb

Pressure

97%

Humidity

0

UV Index

7mi

Visibility

82%

Cloud Cover

1AM

15%

60°

Feels Like 60°

Cloudy

NNE 1 mph

Wind

1017 mb

Pressure

96%

Humidity

0

UV Index

4mi

Visibility

87%

Cloud Cover

2AM

15%

60°

Feels Like 60°

Cloudy

NNE 2 mph

Wind

1016 mb

Pressure

98%

Humidity

0

UV Index

3mi

Visibility

94%

Cloud Cover

3AM

23%

60°

Feels Like 60°

Cloudy

NNE 2 mph

Wind

1016 mb

Pressure

98%

Humidity

0

UV Index

2.8mi

Visibility

94%

Cloud Cover

4AM

39%

60°

Feels Like 60°

Showers

NNE 2 mph

Wind

1016 mb

Pressure

99%

Humidity

0

UV Index

2.1mi

Visibility

99%

Cloud Cover

5AM

40%

59°

Feels Like 59°

Showers

N 2 mph

Wind

1015 mb

Pressure

100%

Humidity

0

UV Index

2mi

Visibility

99%

Cloud Cover

6AM

21%

60°

Feels Like 60°

Cloudy

N 2 mph

Wind

1015 mb

Pressure

99%

Humidity

0

UV Index

1.6mi

Visibility

98%

Cloud Cover

7AM

16%

59°

Feels Like 59°

Cloudy

N 2 mph

Wind

1015 mb

Pressure

100%

Humidity

0

UV Index

2.1mi

Visibility

99%

Cloud Cover

8AM

15%

60°

Feels Like 60°

Cloudy

N 2 mph

Wind

1015 mb

Pressure

98%

Humidity

0

UV Index

2.9mi

Visibility

92%

Cloud Cover

9AM

15%

62°

Feels Like 62°

Cloudy

NNW 3 mph

Wind

1015 mb

Pressure

93%

Humidity

1

UV Index

4mi

Visibility

90%

Cloud Cover

10AM

15%

65°

Feels Like 65°

Cloudy

N 3 mph

Wind

1015 mb

Pressure

87%

Humidity

1

UV Index

8mi

Visibility

91%

Cloud Cover

Wed 9/17

Wed

42%

49°

72°

Chance of showers. Lows overnight in the upper 50s.

58°

Feels Like

NNE 2 mph

Wind

97%

Humidity

0

UV Index

6:25 AM

Sunrise

6:49 PM

Sunset

Thu 9/18

Thu

16%

58°

78°

Clouds giving way to sun . Highs in the upper 70s and lows in the upper 50s.

78°

Feels Like

S 5 mph

Wind

76%

Humidity

5

UV Index

6:27 AM

Sunrise

6:47 PM

Sunset

Fri 9/19

Fri

6%

52°

77°

Abundant sunshine. Highs in the upper 70s and lows in the mid 40s.

77°

Feels Like

NW 11 mph

Wind

56%

Humidity

6

UV Index

6:28 AM

Sunrise

6:46 PM

Sunset

Sat 9/20

Sat

3%

45°

67°

Mainly sunny. Highs in the upper 60s and lows in the low 40s.

67°

Feels Like

ENE 5 mph

Wind

49%

Humidity

6

UV Index

6:29 AM

Sunrise

6:44 PM

Sunset

Sun 9/21

Sun

6%

42°

69°

Mostly sunny. Highs in the upper 60s and lows in the upper 40s.

69°

Feels Like

ESE 8 mph

Wind

60%

Humidity

6

UV Index

6:30 AM

Sunrise

6:42 PM

Sunset

Mon 9/22

Mon

7%

47°

74°

Sunny. Highs in the mid 70s and lows in the mid 50s.

74°

Feels Like

SSW 8 mph

Wind

63%

Humidity

5

UV Index

6:31 AM

Sunrise

6:40 PM

Sunset

Tue 9/23

Tue

24%

56°

82°

Times of sun and clouds. Highs in the low 80s and lows in the upper 50s.

82°

Feels Like

SW 8 mph

Wind

62%

Humidity

5

UV Index

6:32 AM

Sunrise

6:38 PM

Sunset

Wed 9/24

Wed

32%

59°

78°

Afternoon showers. Highs in the upper 70s and lows in the mid 50s.

78°

Feels Like

ESE 7 mph

Wind

72%

Humidity

4

UV Index

6:33 AM

Sunrise

6:36 PM

Sunset

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Latest Stories from Massachusetts

Massachusetts beachgoers urged to use caution after white shark attacks seal

Two beaches near Plymouth, Massachusetts, reopened on Monday after a white shark attacked a seal in nearby waters.

Florida manatee spotted far from home swimming along New Jersey shore

A Florida manatee was spotted taking in the sights of the New Jersey shore earlier this week. The marine mammal was spotted this past Sunday and Monday by several people in the waters around Belmar, New Jersey and photos of the manatee went viral on social media.

Daily Weather Update from FOX Weather: Kiko starts to weaken near Hawaii as severe storms rock Northeast

Top weather news for Sunday, Sept. 7, 2025: Hurricane Kiko is starting to weaken as it approaches Hawaii while severe weather, including a tornado, rocked parts of the Northeast.

National Park Service reminds Cape Cod beachgoers to remain shark smart this fall

As the summer comes to a close, areas such as Cape Cod, Massachusetts, remain an ideal location to enjoy the final days of warm weather but not without the risk of shark safety.

Load More Stories