Pittsfield, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pittsfield, a community in Merrimack County, New Hampshire.
Today
84°F
Sunny
Sunny, with a high near 84. West wind 5 to 10 mph.
7-day forecast for Pittsfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 5 to 10 mph W | 0% |
| Tonight | 59°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Wednesday | 86°F | Mostly Sunny | 0 to 5 mph W | 0% |
| Wednesday Night | 65°F | Partly Cloudy | 0 to 5 mph SW | 6% |
| Thursday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 43% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 38% |
| Friday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 23% |
| Friday Night | 67°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 23% |
| Saturday | 86°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 46% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph W | 40% |
| Sunday | 89°F | Sunny | 0 to 5 mph W | 8% |
| Sunday Night | 66°F | Mostly Clear | 5 mph W | 7% |
| Monday | 88°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph W | 16% |
| Monday Night | 64°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph W | 16% |
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 Aug 4, 2026.