MERRIMACK, NH 03054 Weather Forecast & Current Conditions

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NASHUA/BOIRE FLD, NH
Current Weather

2:56 AM EDT JUN 9, 2026
Clear
54°F
Feels Like: 54°F
Dewpoint: 52°F
Rel. Hum.: 93%
Visibility: 10 miles
Wind: Calm
Pressure:
Last 72 hours

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MERRIMACK, NH 03054
Weather Forecast

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REST OF TONIGHT
Clear. Lows in the mid 50s. Light and variable winds.
TUESDAY
Mostly sunny. Warm with highs in the upper 80s. Light and variable winds, becoming west around 10 mph in the afternoon.
TUESDAY NIGHT
Mostly clear. Lows around 60. Light and variable winds.
WEDNESDAY
Partly sunny. A chance of showers in the afternoon. Warm with highs in the upper 80s. Light and variable winds, becoming southwest around 10 mph in the afternoon. Chance of rain 40 percent.
WEDNESDAY NIGHT
Mostly cloudy. A chance of showers in the evening. Lows in the lower 60s. South winds around 10 mph in the evening, becoming light and variable. Chance of rain 30 percent.
THURSDAY
A chance of showers in the morning, then showers likely in the afternoon. Hot with highs around 90. Chance of rain 70 percent.
THURSDAY NIGHT
Showers likely in the evening. Lows in the lower 60s. Chance of rain 60 percent.
FRIDAY
Partly sunny. Warm with highs in the upper 80s.
FRIDAY NIGHT
Partly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 40 percent.
SATURDAY
A chance of showers in the morning. Partly sunny. Warm with highs in the mid 80s. Chance of rain 40 percent.
SATURDAY NIGHT
Mostly clear. Lows in the lower 60s.
SUNDAY
Mostly sunny. Warm with highs in the upper 80s.
SUNDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.

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 PM CDT  6/ 8/2026
Tuesday
9 JUN 2026
MERRIMACK, NH 03054 weather forecast Day 1, 0 hours 2 AM 59° 60° Clear 0%

0% Thunder
( 0% severe)
WSW   3 69% 49°
Low 55° MERRIMACK, NH 03054 weather forecast Day 1, 3 hours 5 AM 56° 55° Clear SW   5 72% 47°
High 89° MERRIMACK, NH 03054 weather forecast Day 1, 6 hours 8 AM 65° 65° Clear 0%

0% Thunder
( 0% severe)
W   3 63% 52°

Partly Cloudy



MERRIMACK, NH 03054 weather forecast Day 1, 9 hours 11 AM 79° 80° Clear W   6 45% 56°
MERRIMACK, NH 03054 weather forecast Day 1, 12 hours 2 PM 86° 85° Partly Cloudy 0%

0% Thunder
( 1% severe)
W   7 39% 58°
MERRIMACK, NH 03054 weather forecast Day 1, 15 hours 5 PM 87° 86° Partly Cloudy W   7 36% 57°
MERRIMACK, NH 03054 weather forecast Day 1, 18 hours 8 PM 79° 80° Partly Cloudy 0%

0% Thunder
( 1% severe)
SW   3 52% 60°
MERRIMACK, NH 03054 weather forecast Day 1, 21 hours 11 PM 70° 70° Partly Cloudy SW   3 55% 53°
Wednesday
10 JUN 2026
MERRIMACK, NH 03054 weather forecast Day 2, 0 hours 2 AM 64° 66° Partly Cloudy 3%

0% Thunder
( 1% severe)
SSW   2 60% 50°
Low 61° MERRIMACK, NH 03054 weather forecast Day 2, 3 hours 5 AM 61° 62° Partly Cloudy S   2 72% 52°
High 88° MERRIMACK, NH 03054 weather forecast Day 2, 6 hours 8 AM 69° 69° Partly Cloudy 4%

0% Thunder
( 2% severe)
SW   2 66% 57°

Mostly Cloudy

Chance of Rain

MERRIMACK, NH 03054 weather forecast Day 2, 9 hours 11 AM 81° 82° Mostly Cloudy SSW   6 53% 62°
MERRIMACK, NH 03054 weather forecast Day 2, 12 hours 2 PM 84° 86° Mostly Cloudy 42%
RAIN
.25–.5 in
0% Thunder
( 11% severe)
SSW   8 53% 65°
MERRIMACK, NH 03054 weather forecast Day 2, 15 hours 5 PM 79° 81° Mostly Cloudy SSW   8 67% 67°
MERRIMACK, NH 03054 weather forecast Day 2, 18 hours 8 PM 74° 74° Mostly Cloudy 35%
RAIN
.01–.1 in
0% Thunder
( 14% severe)
S   5 76% 66°
MERRIMACK, NH 03054 weather forecast Day 2, 21 hours 11 PM 69° 69° Mostly Cloudy S   2 84% 64°

NASHUA/BOIRE FLD, NH extended weather forecast

Thursday
11 JUN 2026
Friday
12 JUN 2026
Saturday
13 JUN 2026
Sunday
14 JUN 2026
Monday
15 JUN 2026
Low 67° Low 65° Low 62° Low 58° Low 56°
High 90° High 80° High 84° High 80° High 73°
MERRIMACK, NH 03054 weather forecast Day 3 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
Overcast
64% Rain
Overcast
46% Rain
Mostly Cloudy
55% Rain
Partly Cloudy
16% Rain
Overcast
44% Rain
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