Franklin, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Franklin, a city in Merrimack County, New Hampshire.
Overnight
43°F
Partly Cloudy
Partly cloudy, with a low around 43. Northwest wind around 0 mph.
7-day forecast for Franklin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 66°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 45°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 60°F | Rain Showers | 0 to 5 mph SE | 85% |
| Sunday Night | 48°F | Rain Showers | 0 mph | 81% |
| Monday | 65°F | Mostly Sunny | 0 to 5 mph N | 3% |
| Monday Night | 45°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Tuesday | 62°F | Partly Sunny | 0 to 5 mph NE | 1% |
| Tuesday Night | 43°F | Mostly Cloudy | 0 to 5 mph NE | 1% |
| Wednesday | 61°F | Mostly Sunny | 5 mph NE | 2% |
| Wednesday Night | 43°F | Mostly Cloudy | 0 to 5 mph NE | 9% |
| Thursday | 59°F | Chance Rain Showers | 0 to 5 mph NE | 25% |
| Thursday Night | 46°F | Chance Rain Showers | 0 to 5 mph NE | 25% |
| Friday | 65°F | Slight Chance Rain Showers | 5 mph N | 24% |
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 Sep 19, 2026.