Franklin, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Franklin, a city in Merrimack County, New Hampshire.
Overnight
46°F
Partly Cloudy
Partly cloudy, with a low around 46. Wind around 0 mph.
7-day forecast for Franklin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Partly Cloudy | 0 mph | 2% |
| Wednesday | 75°F | Mostly Sunny | 0 to 5 mph SW | 3% |
| Wednesday Night | 50°F | Partly Cloudy | 0 mph | 2% |
| Thursday | 70°F | Light Rain Likely | 0 to 5 mph S | 64% |
| Thursday Night | 56°F | Chance Light Rain | 0 to 5 mph SW | 32% |
| Friday | 69°F | Chance Light Rain | 0 mph | 48% |
| Friday Night | 51°F | Light Rain | 0 mph | 77% |
| Saturday | 62°F | Light Rain Likely | 0 to 5 mph N | 62% |
| Saturday Night | 42°F | Chance Light Rain | 0 to 5 mph NW | 39% |
| Sunday | 56°F | Chance Light Rain then Partly Sunny | 5 mph NW | 32% |
| Sunday Night | 35°F | Partly Cloudy | 0 to 5 mph W | 9% |
| Monday | 52°F | Slight Chance Light Rain | 5 to 10 mph W | 16% |
| Monday Night | 32°F | Partly Cloudy | 5 mph W | 13% |
| Tuesday | 55°F | Mostly Sunny | 5 to 10 mph W | 8% |
Forecast source: National Weather Service (api.weather.gov) for Franklin (43.454, -71.670). Updated through the day.
Growing snapshot for Franklin
Last spring frost
May 7
First fall frost
Oct 3
Growing season
148 days
Hardiness zone
5b
More local growing data for Franklin: nearby ZIP 03235 weather · frost dates · planting calendar · New Hampshire frost dates
Nearby towns & communities
Bradford
Concord
Contoocook
Henniker
Hooksett
Loudon
New London
Pittsfield
Suncook
Tilton Northfield
Warner
Climate data from the nearest NOAA station, Franklin Falls Dam, Nh (1.8 mi from Franklin). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.