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Arctic air to set stage for snow before 2026. Click for the forecast. Chevron right

Merrimack, NH

36°F
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Merrimack

New Hampshire

36°
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Merrimack, NH Weather
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Winter Center

Today

Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

Today's Weather

Mon, Dec 29

Rain and freezing rain this morning; cloudy with brief showers this afternoon Hi: 36°

Tonight: Partly cloudy and increasingly windy; slushy areas/standing water will freeze Lo: 16°

Current Weather

6:14 PM

36°F
RealFeel® 31°
Light rain More Details
Wind WSW 5 mph
Wind Gusts 15 mph
Air Quality Poor

MINUTECAST™

Snow, heavy at times, ending in 34 min

Now
7:14 PM

Looking Ahead

Noticeably colder tomorrow

Merrimack Weather Radar

Merrimack Weather Radar
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Clouds
Temperature

Hourly Weather

7 PM 36°
rain drop 9%
8 PM 34°
rain drop 6%
9 PM 31°
rain drop 6%
10 PM 30°
rain drop 6%
11 PM 28°
rain drop 6%
12 AM 26°
rain drop 4%
1 AM 24°
rain drop 0%
2 AM 23°
rain drop 0%
3 AM 22°
rain drop 0%
4 AM 20°
rain drop 0%
5 AM 19°
rain drop 0%
6 AM 18°
rain drop 0%

10-Day Weather Forecast

Today

12/29

36° 16°

Rain and ice this morning

Night: Increasingly windy

100%

Tue

12/30

21° 16°

Windy and very cold

Partly cloudy

3%

Wed

12/31

31° 17°

Breezy and not as cold

Partly cloudy

12%

Thu

1/1

27° 10°

Partly sunny and breezy

Clear

6%

Fri

1/2

25° 14°

Partly sunny and cold

Mainly clear

6%

Sat

1/3

28° 7°

Mostly sunny

Clear and cold

12%

Sun

1/4

21° 4°

Partly sunny and cold

Partly cloudy and cold

15%

Mon

1/5

23° 14°

Cold with snow showers

Partly cloudy

55%

Tue

1/6

35° 25°

Not as cold with some sun

Clear

20%

Wed

1/7

37° 15°

A little afternoon snow

A flurry early; partly cloudy

55%

Sun & Moon

9 hrs 04 mins
Rise 7:16 AM
Set 4:20 PM
Waxing Gibbous
Rise 12:08 PM
Set 2:59 AM

Air Quality

See More
Air Quality Poor

The air has reached a high level of pollution and is unhealthy for sensitive groups. Reduce time spent outside if you are feeling symptoms such as difficulty breathing or throat irritation.

Allergy Outlook

See All
Tree Pollen Low Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold Low Data is not supported in this location Grass Pollen Low Data is not supported in this location Dust & Dander High Data is not supported in this location

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World North America United States New Hampshire Merrimack

Weather Near Merrimack:

  • Boston, MA
  • Dorchester, MA
  • Worcester, MA
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