National Weather Service Forecast for: East Merrimack NH
Issued by: National Weather Service Gray/Portland, ME
Updated: 10:26 pm EDT Jun 18, 2026
 
Tonight

Tonight: Mostly clear, with a low around 58. West wind around 10 mph, with gusts as high as 20 mph.
Mostly Clear

Juneteenth

Juneteenth: Sunny, with a high near 81. West wind 10 to 15 mph, with gusts as high as 30 mph.
Sunny

Friday
Night
Friday Night: Clear, with a low around 57. West wind around 10 mph, with gusts as high as 20 mph.
Clear

Saturday

Saturday: Mostly sunny, with a high near 78. West wind around 15 mph, with gusts as high as 25 mph.
Mostly Sunny

Saturday
Night
Saturday Night: Partly cloudy, with a low around 56. West wind around 5 mph.
Partly Cloudy

Sunday

Sunday: A 30 percent chance of showers after 2pm.  Mostly sunny, with a high near 80.
Mostly Sunny
then Chance
Showers
Sunday
Night
Sunday Night: A 30 percent chance of showers before 8pm.  Partly cloudy, with a low around 55.
Chance
Showers then
Partly Cloudy
Monday

Monday: Showers likely, mainly after 3pm.  Partly sunny, with a high near 78. Chance of precipitation is 60%.
Showers
Likely
Monday
Night
Monday Night: Showers likely.  Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Showers
Likely
Lo 58 °F Hi 81 °F Lo 57 °F Hi 78 °F Lo 56 °F Hi 80 °F Lo 55 °F Hi 78 °F Lo 56 °F

 

Tonight
 
Mostly clear, with a low around 58. West wind around 10 mph, with gusts as high as 20 mph.
Juneteenth
 
Sunny, with a high near 81. West wind 10 to 15 mph, with gusts as high as 30 mph.
Friday Night
 
Clear, with a low around 57. West wind around 10 mph, with gusts as high as 20 mph.
Saturday
 
Mostly sunny, with a high near 78. West wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
 
Partly cloudy, with a low around 56. West wind around 5 mph.
Sunday
 
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 80.
Sunday Night
 
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 55.
Monday
 
Showers likely, mainly after 3pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Monday Night
 
Showers likely. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Tuesday
 
A 40 percent chance of showers before 1pm. Partly sunny, with a high near 80.
Tuesday Night
 
Partly cloudy, with a low around 58.
Wednesday
 
Sunny, with a high near 84.
Wednesday Night
 
Partly cloudy, with a low around 57.
Thursday
 
A 30 percent chance of showers. Mostly sunny, with a high near 82.

 

Forecast from NOAA-NWS for East Merrimack NH.