Pittsfield, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pittsfield, a community in Merrimack County, New Hampshire.
Overnight
46°F
Partly Cloudy
Partly cloudy, with a low around 46. Southwest wind around 0 mph.
7-day forecast for Pittsfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Partly Cloudy | 0 mph | 2% |
| Wednesday | 74°F | Mostly Sunny | 0 to 5 mph SW | 3% |
| Wednesday Night | 52°F | Partly Cloudy | 5 mph SW | 2% |
| Thursday | 70°F | Mostly Cloudy then Light Rain Likely | 5 to 10 mph SW | 55% |
| Thursday Night | 57°F | Chance Light Rain | 0 to 5 mph SW | 26% |
| Friday | 69°F | Light Rain Likely | 0 to 5 mph S | 65% |
| Friday Night | 52°F | Light Rain | 0 to 5 mph NE | 84% |
| Saturday | 62°F | Light Rain Likely | 5 mph N | 72% |
| Saturday Night | 41°F | Chance Light Rain | 5 to 10 mph N | 38% |
| Sunday | 56°F | Chance Light Rain | 5 to 10 mph NW | 32% |
| Sunday Night | 34°F | Partly Cloudy | 5 mph W | 7% |
| Monday | 52°F | Mostly Sunny | 5 to 15 mph W | 13% |
| Monday Night | 31°F | Partly Cloudy | 5 to 10 mph W | 12% |
| Tuesday | 55°F | Mostly Sunny | 5 to 15 mph W | 7% |
Forecast source: National Weather Service (api.weather.gov) for Pittsfield (43.300, -71.331). Updated through the day.
Growing snapshot for Pittsfield
Last spring frost
May 8
First fall frost
Oct 3
Growing season
146 days
Hardiness zone
5b
More local growing data for Pittsfield: nearby ZIP 03263 weather · frost dates · planting calendar · New Hampshire frost dates
Nearby towns & communities
Bradford
Concord
Contoocook
Franklin
Henniker
Hooksett
Loudon
New London
Suncook
Tilton Northfield
Warner
Climate data from the nearest NOAA station, Concord Muni Ap, Nh (11.6 mi from Pittsfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.