National Weather Service Forecast for: East Merrimack NH
Issued by: National Weather Service Gray/Portland, ME
Updated: 2:35 pm EDT Jul 28, 2026
 
This
Afternoon
This Afternoon: Showers and possibly a thunderstorm. High near 80. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers

 Tonight

Tonight: Showers and thunderstorms likely before 3am, then a chance of showers. Mostly cloudy, with a low around 66. Calm wind becoming south around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Chance
Showers
 Wednesday

Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 76. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Chance
Showers then
Showers
 Wednesday
Night
Wednesday Night: Showers. Low around 57. Northeast wind 5 to 10 mph. Chance of precipitation is 80%.
Showers

 Thursday

Thursday: Showers. High near 72. Northeast wind around 10 mph. Chance of precipitation is 80%.
Showers

 Thursday
Night
Thursday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Showers
Likely then
Mostly Cloudy
 Friday

Friday: Mostly sunny, with a high near 82.
Mostly Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 58.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 85.
Sunny
Hi 80 °F Lo 66 °F Hi 76 °F Lo 57 °F Hi 72 °F Lo 57 °F Hi 82 °F Lo 58 °F Hi 85 °F

 

This Afternoon
 
 Showers and possibly a thunderstorm. High near 80. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 Showers and thunderstorms likely before 3am, then a chance of showers. Mostly cloudy, with a low around 66. Calm wind becoming south around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 76. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Wednesday Night
 
 Showers. Low around 57. Northeast wind 5 to 10 mph. Chance of precipitation is 80%.
Thursday
 
 Showers. High near 72. Northeast wind around 10 mph. Chance of precipitation is 80%.
Thursday Night
 
 Showers likely, mainly before 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Friday
 
 Mostly sunny, with a high near 82.
Friday Night
 
 Mostly clear, with a low around 58.
Saturday
 
 Sunny, with a high near 85.
Saturday Night
 
 Partly cloudy, with a low around 62.
Sunday
 
 Partly sunny, with a high near 85.
Sunday Night
 
 A 30 percent chance of showers. Mostly cloudy, with a low around 63.
Monday
 
 A 40 percent chance of showers. Partly sunny, with a high near 82.
Monday Night
 
 A 30 percent chance of showers. Partly cloudy, with a low around 61.
Tuesday
 
 Sunny, with a high near 85.

 

Forecast from NOAA-NWS for East Merrimack NH.