MERRIMACK, NH 03054 Weather Forecast & Current Conditions

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NASHUA/BOIRE FLD, NH
Current Weather

3:56 PM EDT AUG 9, 2025
Scattered Clouds
88°F
Feels Like: 88°F
Dewpoint: 61°F
Rel. Hum.: 40%
Visibility: 10 miles
Wind: SSE at 6 mph
Pressure: 30.15 inches
Last 72 hours

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MERRIMACK, NH 03054
Weather Forecast

Snowfall Forecast pages
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THIS AFTERNOON
Sunny, warm with highs in the mid 80s. Light and variable winds.
TONIGHT
Mostly clear. Lows in the upper 50s. Light and variable winds.
SUNDAY
Mostly sunny. Hot with highs in the lower 90s. Light and variable winds.
SUNDAY NIGHT
Mostly clear. Lows in the mid 60s. Light and variable winds.
MONDAY
Mostly sunny. Hot with highs in the mid 90s. Light and variable winds. Heat index values in the upper 90s.
MONDAY NIGHT
Mostly clear. Lows in the upper 60s.
TUESDAY
Mostly sunny. Hot with highs in the mid 90s.
TUESDAY NIGHT
Mostly clear. Lows in the upper 60s.
WEDNESDAY
Mostly sunny. Hot with highs in the mid 90s.
WEDNESDAY NIGHT
Partly cloudy. Lows around 70.
THURSDAY
Mostly sunny. Warm with highs in the upper 80s.
THURSDAY NIGHT
Mostly clear. Lows in the lower 60s.
FRIDAY
Partly sunny. Highs in the mid 80s.

Visible Weather Satellite
MERRIMACK, NH 03054
Infrared Weather Satellite
MERRIMACK, NH 03054
NEXRAD Weather Radar
MERRIMACK, NH 03054

NASHUA/BOIRE FLD, NH 3 hourly weather forecast

weather forecast created  7:00 AM CDT  8/ 9/2025
Saturday
9 AUG 2025
MERRIMACK, NH 03054 weather forecast Day 1, 12 hours 2 PM 84° 84° Clear 1%

0% Thunder
( 7% severe)
SE   3 43% 59°
High 85° MERRIMACK, NH 03054 weather forecast Day 1, 15 hours 5 PM 84° 83° Clear SE   5 40% 57°
Clear



MERRIMACK, NH 03054 weather forecast Day 1, 18 hours 8 PM 74° 74° Clear 1%

0% Thunder
( 2% severe)
SE   3 51% 55°
MERRIMACK, NH 03054 weather forecast Day 1, 21 hours 11 PM 66° 66° Clear S   1 73% 57°
Sunday
10 AUG 2025
MERRIMACK, NH 03054 weather forecast Day 2, 0 hours 2 AM 62° 63° Clear 1%

0% Thunder
( 0% severe)
S   1 84% 57°
Low 60° MERRIMACK, NH 03054 weather forecast Day 2, 3 hours 5 AM 60° 61° Partly Cloudy   CALM 90% 57°
High 91° MERRIMACK, NH 03054 weather forecast Day 2, 6 hours 8 AM 67° 67° Clear 1%

0% Thunder
( 3% severe)
  CALM 78% 60°

Partly Cloudy



MERRIMACK, NH 03054 weather forecast Day 2, 9 hours 11 AM 83° 84° Partly Cloudy S   1 53% 64°
MERRIMACK, NH 03054 weather forecast Day 2, 12 hours 2 PM 90° 92° Partly Cloudy 1%

0% Thunder
( 6% severe)
SSW   3 44% 65°
MERRIMACK, NH 03054 weather forecast Day 2, 15 hours 5 PM 90° 91° Partly Cloudy SSW   3 42% 64°
MERRIMACK, NH 03054 weather forecast Day 2, 18 hours 8 PM 81° 83° Partly Cloudy 1%

0% Thunder
( 2% severe)
S   3 58% 65°
MERRIMACK, NH 03054 weather forecast Day 2, 21 hours 11 PM 74° 74° Partly Cloudy SSW   2 71% 64°
Monday
11 AUG 2025
MERRIMACK, NH 03054 weather forecast Day 3, 0 hours 2 AM 69° 69° Partly Cloudy 2%

0% Thunder
( 1% severe)
SW   1 78% 62°
Low 66° MERRIMACK, NH 03054 weather forecast Day 3, 3 hours 5 AM 67° 67° Partly Cloudy WSW   1 84% 62°
High 94° MERRIMACK, NH 03054 weather forecast Day 3, 6 hours 8 AM 73° 73° Partly Cloudy 2%

0% Thunder
( 5% severe)
  CALM 76% 65°

Partly Cloudy



MERRIMACK, NH 03054 weather forecast Day 3, 9 hours 11 AM 87° 90° Partly Cloudy SW   1 53% 68°
MERRIMACK, NH 03054 weather forecast Day 3, 15 hours 2 PM 92° 96° Partly Cloudy 3%

0% Thunder
( 14% severe)
SSW   3 44% 67°
MERRIMACK, NH 03054 weather forecast Day 3, 18 hours 5 PM 92° 95° Partly Cloudy SW   5 43% 66°
MERRIMACK, NH 03054 weather forecast Day 3, 21 hours 8 PM 83° 86° Partly Cloudy     SSW   3 59% 67°

NASHUA/BOIRE FLD, NH extended weather forecast

Tuesday
12 AUG 2025
Wednesday
13 AUG 2025
Thursday
14 AUG 2025
Friday
15 AUG 2025
Saturday
16 AUG 2025
Low 64° Low 66° Low 67° Low 65° Low 61°
High 94° High 93° High 88° High 83° High 82°
MERRIMACK, NH 03054 weather forecast Day 4 MERRIMACK, NH 03054 weather forecast Day 5 MERRIMACK, NH 03054 weather forecast Day 6 MERRIMACK, NH 03054 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
8% Rain
Partly Cloudy
27% Rain
Partly Cloudy
33% Rain
Partly Cloudy
27% Rain
Partly Cloudy
38% Rain
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