East Merrimack, NH Weather & Growing Conditions
Tonight
45°F
Partly Cloudy
Partly cloudy, with a low around 45. North wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 67°F | Sunny | 0 to 5 mph NE | 0% |
| Saturday Night | 46°F | Partly Cloudy | 0 to 5 mph SE | 0% |
| Sunday | 62°F | Rain Showers | 0 to 5 mph SE | 78% |
| Sunday Night | 49°F | Rain Showers | 0 to 5 mph NE | 78% |
| Monday | 65°F | Slight Chance Rain Showers then Mostly Sunny | 5 mph N | 22% |
| Monday Night | 46°F | Partly Cloudy | 0 to 5 mph N | 3% |
| Tuesday | 61°F | Mostly Cloudy | 5 mph NE | 3% |
| Tuesday Night | 44°F | Mostly Cloudy | 0 to 5 mph NE | 2% |
| Wednesday | 60°F | Mostly Sunny | 5 to 10 mph NE | 3% |
| Wednesday Night | 44°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph NE | 18% |
| Thursday | 59°F | Chance Rain Showers | 5 to 10 mph NE | 27% |
| Thursday Night | 46°F | Chance Rain Showers | 0 to 5 mph NE | 29% |
| Friday | 64°F | Chance Rain Showers | 5 mph N | 31% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for East Merrimack, NH
Last spring frost
Apr 30
First fall frost
Oct 12
Growing season
165 days
Hardiness zone
6a
Explore more for East Merrimack, NH: full frost dates · planting calendar · New Hampshire frost dates
Climate data from the nearest NOAA station, Nashua 2 Nnw, Nh (3.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.