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Franklin, NH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Franklin, a city in Merrimack County, New Hampshire.

This Afternoon
66°F
Isolated Rain Showers
Isolated rain showers before 5pm. Cloudy, with a high near 66. South wind 0 to 5 mph. Chance of precipitation is 20%.

7-day forecast for Franklin

WhenTempForecastWindPrecip
This Afternoon 66°F Isolated Rain Showers 0 to 5 mph S 15%
Tonight 46°F Mostly Cloudy 0 mph 8%
Wednesday 76°F Mostly Sunny 0 to 5 mph SW 5%
Wednesday Night 50°F Partly Cloudy 0 mph 2%
Thursday 71°F Scattered Rain Showers 0 to 5 mph S 49%
Thursday Night 56°F Isolated Rain Showers 0 to 5 mph SW 20%
Friday 68°F Light Rain Likely 0 mph 58%
Friday Night 51°F Light Rain 0 mph 77%
Saturday 61°F Light Rain Likely 5 mph N 67%
Saturday Night 41°F Chance Light Rain 0 to 5 mph NW 53%
Sunday 57°F Chance Light Rain 5 mph W 27%
Sunday Night 34°F Partly Cloudy 0 to 5 mph W 11%
Monday 54°F Slight Chance Light Rain 5 to 10 mph NW 19%
Monday Night 32°F Slight Chance Light Rain 5 mph W 18%

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

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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.