Merrimack County, NH Weather Forecast

County weather hub

56°
F

Light Rain

Compare major city weather across Merrimack County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Saturday, May 30, 2026
Wind: 5 to 15 mph NE
Saturday

Rain before 2pm, then a slight chance of rain showers between 2pm and 5pm. Mostly cloudy, with a high near 56. Northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Merrimack County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 10 of 10 mapped cities in Merrimack County.

Page Snapshot

Page focus
county weather
Forecast window
May 30 to Jun 3, 2026
Latest sync
May 28, 2026 6:23 PM EDT
Forecast office
GYX
Source
NOAA / NWS
Next High
56°F
Saturday
Next Low
39°F
Saturday Night
Rain Outlook
8
Periods mentioning precipitation
Windiest
5 to 15 mph
Saturday

Daily Outlook

Today
May 30
Light Rain
56 °F
/ 39°F
Wind 5 to 15 mph
Sun
May 31
Mostly Sunny
70 °F
/ 46°F
Wind 0 to 5 mph
Mon
Jun 1
Rain Showers Likely
66 °F
/ 43°F
Wind 0 to 5 mph
Tue
Jun 2
Chance Rain Showers
64 °F
/ 44°F
Wind 0 to 5 mph
Wed
Jun 3
Chance Rain Showers
68 °F
/ 47°F
Wind 0 to 5 mph

This Week in Merrimack County

Sunday looks like the warmest upcoming period in Merrimack County at 70 degrees F.

Saturday Night is the coolest period ahead with temperatures near 39 degrees F.

The strongest winds are forecast for Saturday at about 5 to 15 mph NE.

Precipitation is mentioned in 8 upcoming forecast periods.

Forecast Details

Last updated
May 28, 2026 6:23 PM EDT
Coverage
5 days
Time zone
America/New_York
Forecast office
GYX
Radar station
KGYX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Saturday Night
May 30
39°F
Partly Cloudy
0 to 5 mph N

Partly cloudy, with a low around 39.

Sunday
May 31
70°F
Mostly Sunny
0 to 5 mph NW

Mostly sunny, with a high near 70.

Sunday Night
May 31
46°F
Chance Rain Showers
0 to 5 mph W

A chance of rain showers after 8pm. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.

Monday
Jun 1
66°F
Rain Showers Likely
0 to 5 mph NW

Rain showers likely before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.

Monday Night
Jun 1
43°F
Showers And Thunderstorms Likely
0 to 5 mph N

Showers and thunderstorms likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

Tuesday
Jun 2
64°F
Chance Rain Showers
0 to 5 mph N

A chance of rain showers. Partly sunny, with a high near 64. Chance of precipitation is 50%.

Tuesday Night
Jun 2
44°F
Chance Rain Showers
0 to 5 mph NE

A chance of rain showers before 5am. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.

Wednesday
Jun 3
68°F
Chance Rain Showers
0 to 5 mph N

A chance of rain showers after 8am. Mostly sunny, with a high near 68. Chance of precipitation is 30%.

Wednesday Night
Jun 3
47°F
Slight Chance Rain Showers then Partly Cloudy
0 to 5 mph NW

A slight chance of rain showers before 8pm. Partly cloudy, with a low around 47.

Detailed Forecast

Period Conditions Temp Wind
Saturday
May 30
Light Rain
56°F
5 to 15 mph
NE
Saturday Night
May 30
Partly Cloudy
39°F
0 to 5 mph
N
Sunday
May 31
Mostly Sunny
70°F
0 to 5 mph
NW
Sunday Night
May 31
Chance Rain Showers
46°F
0 to 5 mph
W
Monday
Jun 1
Rain Showers Likely
66°F
0 to 5 mph
NW
Monday Night
Jun 1
Showers And Thunderstorms Likely
43°F
0 to 5 mph
N
Tuesday
Jun 2
Chance Rain Showers
64°F
0 to 5 mph
N
Tuesday Night
Jun 2
Chance Rain Showers
44°F
0 to 5 mph
NE
Wednesday
Jun 3
Chance Rain Showers
68°F
0 to 5 mph
N
Wednesday Night
Jun 3
Slight Chance Rain Showers then Partly Cloudy
47°F
0 to 5 mph
NW
ConcordNH MerrimackCountyCourthouse 02
ConcordNH MerrimackCountyCourthouse 02 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.