East Merrimack, NH Weather & Growing Conditions
Overnight
49°F
Partly Cloudy
Partly cloudy, with a low around 49. South wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Partly Cloudy | 0 mph | 2% |
| Wednesday | 77°F | Mostly Sunny | 0 to 5 mph SW | 3% |
| Wednesday Night | 56°F | Partly Cloudy | 0 to 5 mph S | 2% |
| Thursday | 74°F | Mostly Cloudy then Chance Light Rain | 5 to 10 mph S | 38% |
| Thursday Night | 60°F | Chance Light Rain | 0 to 5 mph SW | 40% |
| Friday | 71°F | Light Rain Likely | 0 mph | 74% |
| Friday Night | 54°F | Light Rain | 0 mph | 87% |
| Saturday | 65°F | Light Rain Likely | 0 to 5 mph N | 69% |
| Saturday Night | 42°F | Chance Light Rain | 0 to 5 mph NW | 35% |
| Sunday | 59°F | Chance Light Rain then Mostly Sunny | 5 mph NW | 28% |
| Sunday Night | 35°F | Partly Cloudy | 0 to 5 mph W | 7% |
| Monday | 55°F | Mostly Sunny then Slight Chance Light Rain | 5 to 10 mph W | 15% |
| Monday Night | 32°F | Partly Cloudy | 5 mph W | 13% |
| Tuesday | 58°F | Mostly Sunny | 5 to 10 mph SW | 7% |
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 (4.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.