Henniker, NH Weather & Growing Conditions
Overnight
43°F
Partly Cloudy
Partly cloudy, with a low around 43. Northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Partly Cloudy | 5 mph NW | 0% |
| Saturday | 65°F | Sunny | 0 to 5 mph N | 0% |
| Saturday Night | 44°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 55°F | Chance Rain Showers then Rain | 0 to 5 mph SE | 96% |
| Sunday Night | 45°F | Rain then Chance Rain Showers | 0 to 5 mph NE | 88% |
| Monday | 63°F | Mostly Sunny | 5 mph N | 2% |
| Monday Night | 41°F | Mostly Cloudy | 0 to 5 mph N | 1% |
| Tuesday | 60°F | Partly Sunny | 0 to 5 mph NE | 1% |
| Tuesday Night | 41°F | Mostly Cloudy | 0 to 5 mph NE | 1% |
| Wednesday | 61°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Wednesday Night | 40°F | Mostly Cloudy | 0 to 5 mph NE | 10% |
| Thursday | 59°F | Chance Rain Showers | 5 mph NE | 32% |
| Thursday Night | 43°F | Chance Rain Showers | 0 to 5 mph NE | 32% |
| Friday | 61°F | Chance Rain Showers | 5 to 10 mph N | 33% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Henniker, NH
Last spring frost
May 6
First fall frost
Oct 1
Growing season
146 days
Hardiness zone
5b
Explore more for Henniker, NH: full frost dates · planting calendar · New Hampshire frost dates
Climate data from the nearest NOAA station, Hopkinton Lake, Nh (4.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.