Harman US

Lancaster, NH Weather & Growing Conditions

Tonight
35°F
Mostly Clear then Areas Of Frost
Areas of frost after 2am. Mostly clear, with a low around 35. Northeast wind around 0 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 35°F Mostly Clear then Areas Of Frost 0 mph 0%
Saturday 62°F Areas Of Frost then Sunny 0 to 5 mph N 0%
Saturday Night 36°F Mostly Cloudy 0 to 5 mph E 0%
Sunday 61°F Rain Showers Likely 0 mph 73%
Sunday Night 39°F Rain Showers Likely then Mostly Cloudy 0 mph 65%
Monday 61°F Partly Sunny 0 to 5 mph NW 1%
Monday Night 35°F Mostly Cloudy 0 to 5 mph N 1%
Tuesday 63°F Partly Sunny 0 mph 1%
Tuesday Night 35°F Partly Cloudy 0 mph 1%
Wednesday 64°F Mostly Sunny 0 mph 1%
Wednesday Night 36°F Partly Cloudy 0 mph 8%
Thursday 64°F Partly Sunny then Slight Chance Rain Showers 0 mph 20%
Thursday Night 39°F Chance Rain Showers 0 mph 25%
Friday 65°F Slight Chance Rain Showers 0 to 5 mph N 24%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Lancaster, NH

Last spring frost
May 18
First fall frost
Sep 30
Growing season
132 days
Hardiness zone
4b

Explore more for Lancaster, NH: full frost dates · planting calendar · New Hampshire frost dates

Climate data from the nearest NOAA station, Lancaster, Nh (1.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.